diff --git a/CMakeLists.txt b/CMakeLists.txt
index fe18db16..a13939d9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -97,42 +97,70 @@ LIST (APPEND msgpack_HEADERS
 IF (MSGPACK_ENABLE_CXX)
     LIST (APPEND msgpack_HEADERS
         include/msgpack.hpp
+        include/msgpack_fwd.hpp
         include/msgpack/adaptor/bool.hpp
+        include/msgpack/adaptor/bool_fwd.hpp
         include/msgpack/adaptor/char_ptr.hpp
+        include/msgpack/adaptor/char_ptr_fwd.hpp
         include/msgpack/adaptor/cpp11/array.hpp
+        include/msgpack/adaptor/cpp11/array_fwd.hpp
         include/msgpack/adaptor/cpp11/array_char.hpp
+        include/msgpack/adaptor/cpp11/array_char_fwd.hpp
         include/msgpack/adaptor/cpp11/forward_list.hpp
+        include/msgpack/adaptor/cpp11/forward_list_fwd.hpp
         include/msgpack/adaptor/cpp11/tuple.hpp
+        include/msgpack/adaptor/cpp11/tuple_fwd.hpp
         include/msgpack/adaptor/define.hpp
         include/msgpack/adaptor/deque.hpp
+        include/msgpack/adaptor/deque_fwd.hpp
         include/msgpack/adaptor/detail/cpp03_define.hpp
         include/msgpack/adaptor/detail/cpp03_msgpack_tuple.hpp
+        include/msgpack/adaptor/detail/cpp03_msgpack_tuple_fwd.hpp
         include/msgpack/adaptor/detail/cpp11_define.hpp
         include/msgpack/adaptor/detail/cpp11_msgpack_tuple.hpp
+        include/msgpack/adaptor/detail/cpp11_msgpack_tuple_fwd.hpp
         include/msgpack/adaptor/fixint.hpp
+        include/msgpack/adaptor/fixint_fwd.hpp
         include/msgpack/adaptor/float.hpp
+        include/msgpack/adaptor/float_fwd.hpp
         include/msgpack/adaptor/int.hpp
+        include/msgpack/adaptor/int_fwd.hpp
         include/msgpack/adaptor/list.hpp
+        include/msgpack/adaptor/list_fwd.hpp
         include/msgpack/adaptor/map.hpp
+        include/msgpack/adaptor/map_fwd.hpp
         include/msgpack/adaptor/msgpack_tuple.hpp
+        include/msgpack/adaptor/msgpack_tuple_fwd.hpp
         include/msgpack/adaptor/nil.hpp
+        include/msgpack/adaptor/nil_fwd.hpp
         include/msgpack/adaptor/pair.hpp
+        include/msgpack/adaptor/pair_fwd.hpp
         include/msgpack/adaptor/raw.hpp
+        include/msgpack/adaptor/raw_fwd.hpp
         include/msgpack/adaptor/set.hpp
+        include/msgpack/adaptor/set_fwd.hpp
         include/msgpack/adaptor/string.hpp
+        include/msgpack/adaptor/string_fwd.hpp
         include/msgpack/adaptor/tr1/unordered_map.hpp
+        include/msgpack/adaptor/tr1/unordered_map_fwd.hpp
         include/msgpack/adaptor/tr1/unordered_set.hpp
+        include/msgpack/adaptor/tr1/unordered_set_fwd.hpp
         include/msgpack/adaptor/vector.hpp
+        include/msgpack/adaptor/vector_fwd.hpp
+        include/msgpack/adaptor/vector_char.hpp
+        include/msgpack/adaptor/vector_char_fwd.hpp
         include/msgpack/cpp_config.hpp
         include/msgpack/detail/cpp03_zone.hpp
         include/msgpack/detail/cpp11_zone.hpp
         include/msgpack/fbuffer.hpp
         include/msgpack/object.hpp
+        include/msgpack/object_fwd.hpp
         include/msgpack/pack.hpp
         include/msgpack/sbuffer.hpp
         include/msgpack/type.hpp
         include/msgpack/unpack.hpp
         include/msgpack/version.hpp
+        include/msgpack/versioning.hpp
         include/msgpack/vrefbuffer.hpp
         include/msgpack/zbuffer.hpp
         include/msgpack/zone.hpp
diff --git a/erb/cpp03_define.hpp.erb b/erb/cpp03_define.hpp.erb
index 27d165e0..45a72f93 100644
--- a/erb/cpp03_define.hpp.erb
+++ b/erb/cpp03_define.hpp.erb
@@ -18,6 +18,10 @@
 #ifndef MSGPACK_CPP03_DEFINE_HPP
 #define MSGPACK_CPP03_DEFINE_HPP
 
+#include "msgpack/versioning.hpp"
+#include "msgpack/adaptor/msgpack_tuple_fwd.hpp"
+#include "msgpack/object_fwd.hpp"
+
 #define MSGPACK_DEFINE(...) \
     template <typename Packer> \
     void msgpack_pack(Packer& pk) const \
@@ -37,6 +41,7 @@
 // MSGPACK_ADD_ENUM must be used in the global namespace.
 #define MSGPACK_ADD_ENUM(enum) \
   namespace msgpack { \
+  MSGPACK_API_VERSION_NAMESPACE(v1) { \
     template <> \
     inline object const& operator>> (object const& o, enum& v) \
     { \
@@ -58,9 +63,11 @@
         } \
       }; \
     } \
+  } \
   }
 
 namespace msgpack {
+MSGPACK_API_VERSION_NAMESPACE(v1) {
 namespace type {
 
 
@@ -141,6 +148,7 @@ define<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>> make_define(A0& a0<%1.upto(i) {|j|%>,
 <%}%>
 
 }  // namespace type
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 }  // namespace msgpack
 
 
diff --git a/erb/cpp03_msgpack_tuple.hpp.erb b/erb/cpp03_msgpack_tuple.hpp.erb
index 930f5368..9f3534a8 100644
--- a/erb/cpp03_msgpack_tuple.hpp.erb
+++ b/erb/cpp03_msgpack_tuple.hpp.erb
@@ -18,17 +18,20 @@
 #ifndef MSGPACK_CPP03_MSGPACK_TUPLE_HPP
 #define MSGPACK_CPP03_MSGPACK_TUPLE_HPP
 
+#include "msgpack/versioning.hpp"
 #include "msgpack/object.hpp"
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
 namespace type {
 
 // FIXME operator==
 // FIXME operator!=
 <% GENERATION_LIMIT = 31 %>
 
-template <typename A0 = void<%1.upto(GENERATION_LIMIT+1) {|i|%>, typename A<%=i%> = void<%}%>>
+template <typename A0<%1.upto(GENERATION_LIMIT+1) {|i|%>, typename A<%=i%><%}%>>
 struct tuple;
 
 template <typename Tuple, int N>
@@ -125,7 +128,7 @@ inline tuple<> make_tuple()
 }
 <%0.upto(GENERATION_LIMIT) {|i|%>
 template <typename A0<%1.upto(i) {|j|%>, typename A<%=j%><%}%>>
-tuple<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>> make_tuple(typename tuple_type<A0>::transparent_reference a0<%1.upto(i) {|j|%>, typename tuple_type<A<%=j%>>::transparent_reference a<%=j%><%}%>)
+inline tuple<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>> make_tuple(typename tuple_type<A0>::transparent_reference a0<%1.upto(i) {|j|%>, typename tuple_type<A<%=j%>>::transparent_reference a<%=j%><%}%>)
 {
     return tuple<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>>(a0<%1.upto(i) {|j|%>, a<%=j%><%}%>);
 }
@@ -141,7 +144,7 @@ inline object const& operator>> (
 }
 <%0.upto(GENERATION_LIMIT) {|i|%>
 template <typename A0<%1.upto(i) {|j|%>, typename A<%=j%><%}%>>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -153,7 +156,7 @@ object const& operator>> (
 <%}%>
 
 template <typename Stream>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<>&) {
     o.pack_array(0);
@@ -161,7 +164,7 @@ const packer<Stream>& operator<< (
 }
 <%0.upto(GENERATION_LIMIT) {|i|%>
 template <typename Stream, typename A0<%1.upto(i) {|j|%>, typename A<%=j%><%}%>>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>>& v) {
     o.pack_array(<%=i+1%>);
@@ -191,6 +194,8 @@ inline void operator<< (
 }
 <%}%>
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
 }  // namespace msgpack
 
 
diff --git a/erb/cpp03_msgpack_tuple_fwd.hpp.erb b/erb/cpp03_msgpack_tuple_fwd.hpp.erb
new file mode 100644
index 00000000..99cefff0
--- /dev/null
+++ b/erb/cpp03_msgpack_tuple_fwd.hpp.erb
@@ -0,0 +1,125 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2008-2013 FURUHASHI Sadayuki and KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_CPP03_MSGPACK_TUPLE_FWD_HPP
+#define MSGPACK_CPP03_MSGPACK_TUPLE_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+namespace type {
+
+// FIXME operator==
+// FIXME operator!=
+<% GENERATION_LIMIT = 31 %>
+
+template <typename A0 = void<%1.upto(GENERATION_LIMIT+1) {|i|%>, typename A<%=i%> = void<%}%>>
+struct tuple;
+
+template <typename Tuple, int N>
+struct tuple_element;
+
+template <typename Tuple, int N>
+struct const_tuple_element;
+
+template <typename T>
+struct tuple_type;
+
+<%0.upto(GENERATION_LIMIT) {|i|%>
+<%0.upto(i) {|j|%>
+template <typename A0<%1.upto(i) {|k|%>, typename A<%=k%><%}%>>
+struct tuple_element<tuple<A0<%1.upto(i) {|k|%>, A<%=k%><%}%>>, <%=j%>>;
+<%}%>
+<%}%>
+
+<%0.upto(GENERATION_LIMIT) {|i|%>
+<%0.upto(i) {|j|%>
+template <typename A0<%1.upto(i) {|k|%>, typename A<%=k%><%}%>>
+struct const_tuple_element<tuple<A0<%1.upto(i) {|k|%>, A<%=k%><%}%>>, <%=j%>>;
+<%}%>
+<%}%>
+
+template <>
+struct tuple<>;
+<%0.upto(GENERATION_LIMIT) {|i|%>
+template <typename A0<%1.upto(i) {|j|%>, typename A<%=j%><%}%>>
+struct tuple<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>>;
+
+template <int N, typename A0<%1.upto(i) {|j|%>, typename A<%=j%><%}%>>
+typename type::tuple_element<type::tuple<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>>, N>::reference get(type::tuple<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>>& t);
+template <int N, typename A0<%1.upto(i) {|j|%>, typename A<%=j%><%}%>>
+typename type::const_tuple_element<type::tuple<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>>, N>::const_reference get(type::tuple<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>> const& t);
+<%}%>
+
+tuple<> make_tuple();
+<%0.upto(GENERATION_LIMIT) {|i|%>
+template <typename A0<%1.upto(i) {|j|%>, typename A<%=j%><%}%>>
+tuple<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>> make_tuple(typename tuple_type<A0>::transparent_reference a0<%1.upto(i) {|j|%>, typename tuple_type<A<%=j%>>::transparent_reference a<%=j%><%}%>);
+<%}%>
+
+}  // namespace type
+
+object const& operator>> (
+    object const& o,
+    type::tuple<>&);
+
+<%0.upto(GENERATION_LIMIT) {|i|%>
+template <typename A0<%1.upto(i) {|j|%>, typename A<%=j%><%}%>>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>>& v);
+<%}%>
+
+template <typename Stream>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<>&);
+
+<%0.upto(GENERATION_LIMIT) {|i|%>
+template <typename Stream, typename A0<%1.upto(i) {|j|%>, typename A<%=j%><%}%>>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>>& v);
+<%}%>
+
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<>&);
+<%0.upto(GENERATION_LIMIT) {|i|%>
+template <typename A0<%1.upto(i) {|j|%>, typename A<%=j%><%}%>>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>>& v);
+<%}%>
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+
+//std::ostream& operator<< (std::ostream& o, const msgpack::type::tuple<>& v);
+//<%0.upto(GENERATION_LIMIT) {|i|%>
+//template <typename A0<%1.upto(i) {|j|%>, typename A<%=j%><%}%>>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>>& v);
+//<%}%>
+
+#endif // MSGPACK_CPP03_MSGPACK_TUPLE_FWD_HPP
diff --git a/erb/cpp03_zone.hpp.erb b/erb/cpp03_zone.hpp.erb
index da1656f5..9b16bb65 100644
--- a/erb/cpp03_zone.hpp.erb
+++ b/erb/cpp03_zone.hpp.erb
@@ -22,7 +22,7 @@
 #include <memory>
 #include <vector>
 
-#include "msgpack/cpp_config.hpp"
+#include "msgpack/versioning.hpp"
 
 #ifndef MSGPACK_ZONE_CHUNK_SIZE
 #define MSGPACK_ZONE_CHUNK_SIZE 8192
@@ -35,6 +35,8 @@
 <% GENERATION_LIMIT = 15 %>
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
 class zone {
     struct finalizer {
         finalizer(void (*func)(void*), void* data):m_func(func), m_data(data) {}
@@ -301,6 +303,8 @@ T* zone::allocate(<%=(1..i).map{|j|"A#{j} a#{j}"}.join(', ')%>)
 }
 <%}%>
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
 }  // namespace msgpack
 
 #endif // MSGPACK_CPP03_ZONE_HPP
diff --git a/include/msgpack/adaptor/bool.hpp b/include/msgpack/adaptor/bool.hpp
index bdfb2408..df7e7ac7 100644
--- a/include/msgpack/adaptor/bool.hpp
+++ b/include/msgpack/adaptor/bool.hpp
@@ -18,11 +18,13 @@
 #ifndef MSGPACK_TYPE_BOOL_HPP
 #define MSGPACK_TYPE_BOOL_HPP
 
-#include "msgpack/object.hpp"
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
 #include <vector>
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
 
 inline object const& operator>> (object const& o, bool& v)
 {
@@ -49,6 +51,8 @@ inline void operator<< (object::with_zone& o, bool v)
     { static_cast<object&>(o) << v; }
 
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
 }  // namespace msgpack
 
-#endif /* msgpack/type/bool.hpp */
+#endif // MSGPACK_TYPE_BOOL_HPP
diff --git a/include/msgpack/adaptor/bool_fwd.hpp b/include/msgpack/adaptor/bool_fwd.hpp
new file mode 100644
index 00000000..aecde517
--- /dev/null
+++ b/include/msgpack/adaptor/bool_fwd.hpp
@@ -0,0 +1,39 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2008-2009 FURUHASHI Sadayuki
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_TYPE_BOOL_FWD_HPP
+#define MSGPACK_TYPE_BOOL_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+object const& operator>> (object const& o, bool& v);
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, const bool& v);
+void operator<< (object& o, bool v);
+void operator<< (object::with_zone& o, bool v);
+
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+#endif // MSGPACK_TYPE_BOOL_FWD_HPP
diff --git a/include/msgpack/adaptor/char_ptr.hpp b/include/msgpack/adaptor/char_ptr.hpp
index 2ef6c98b..dca1acff 100644
--- a/include/msgpack/adaptor/char_ptr.hpp
+++ b/include/msgpack/adaptor/char_ptr.hpp
@@ -18,11 +18,14 @@
 #ifndef MSGPACK_TYPE_CHAR_PTR_HPP
 #define MSGPACK_TYPE_CHAR_PTR_HPP
 
-#include "msgpack/object.hpp"
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
 #include <cstring>
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
 template <typename Stream>
 inline packer<Stream>& operator<< (packer<Stream>& o, const char* v)
 {
@@ -50,6 +53,7 @@ inline void operator<< (object& o, const char* v)
     o.via.str.size = static_cast<uint32_t>(size);
 }
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 
 }  // namespace msgpack
 
diff --git a/include/msgpack/adaptor/char_ptr_fwd.hpp b/include/msgpack/adaptor/char_ptr_fwd.hpp
new file mode 100644
index 00000000..f6290e6a
--- /dev/null
+++ b/include/msgpack/adaptor/char_ptr_fwd.hpp
@@ -0,0 +1,38 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2014 KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_TYPE_CHAR_PTR_FWD_HPP
+#define MSGPACK_TYPE_CHAR_PTR_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+#include <cstring>
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, const char* v);
+void operator<< (object::with_zone& o, const char* v);
+void operator<< (object& o, const char* v);
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+#endif // MSGPACK_TYPE_CHAR_PTR_FWD_HPP
diff --git a/include/msgpack/adaptor/cpp11/array.hpp b/include/msgpack/adaptor/cpp11/array.hpp
index 5c1cb3b0..6c932adf 100644
--- a/include/msgpack/adaptor/cpp11/array.hpp
+++ b/include/msgpack/adaptor/cpp11/array.hpp
@@ -19,13 +19,15 @@
 #ifndef MSGPACK_CPP11_ARRAY_HPP
 #define MSGPACK_CPP11_ARRAY_HPP
 
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+
 #include <array>
 
-#include "msgpack/object.hpp"
-#include "msgpack/cpp_config.hpp"
-
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
 template <typename T, std::size_t N>
 inline object const& operator>> (object const& o, std::array<T, N>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -64,6 +66,7 @@ inline void operator<< (object::with_zone& o, const std::array<T, N>& v) {
     }
 }
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 
 } // namespace msgpack
 
diff --git a/include/msgpack/adaptor/cpp11/array_char.hpp b/include/msgpack/adaptor/cpp11/array_char.hpp
index a7cfcc2f..9df71bb1 100644
--- a/include/msgpack/adaptor/cpp11/array_char.hpp
+++ b/include/msgpack/adaptor/cpp11/array_char.hpp
@@ -18,11 +18,14 @@
 #ifndef MSGPACK_TYPE_ARRAY_CHAR_HPP
 #define MSGPACK_TYPE_ARRAY_CHAR_HPP
 
-#include "msgpack/object.hpp"
+#include "msgpack/versioning.hpp"
+#include "msgpack_fwd.hpp"
 #include <array>
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
 template <std::size_t N>
 inline object const& operator>> (object const& o, std::array<char, N>& v)
 {
@@ -69,6 +72,8 @@ inline void operator<< (object::with_zone& o, const std::array<char, N>& v)
     std::memcpy(ptr, v.data(), v.size());
 }
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
 }  // namespace msgpack
 
 #endif // MSGPACK_TYPE_ARRAY_CHAR_HPP
diff --git a/include/msgpack/adaptor/cpp11/array_char_fwd.hpp b/include/msgpack/adaptor/cpp11/array_char_fwd.hpp
new file mode 100644
index 00000000..5f64e522
--- /dev/null
+++ b/include/msgpack/adaptor/cpp11/array_char_fwd.hpp
@@ -0,0 +1,45 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2014 KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_TYPE_ARRAY_CHAR_FWD_HPP
+#define MSGPACK_TYPE_ARRAY_CHAR_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+#include <array>
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+template <std::size_t N>
+object const& operator>> (object const& o, std::array<char, N>& v);
+
+template <typename Stream, std::size_t N>
+packer<Stream>& operator<< (packer<Stream>& o, const std::array<char, N>& v);
+
+template <std::size_t N>
+void operator<< (object& o, const std::array<char, N>& v);
+
+template <std::size_t N>
+void operator<< (object::with_zone& o, const std::array<char, N>& v);
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+#endif // MSGPACK_TYPE_ARRAY_CHAR_FWD_HPP
diff --git a/include/msgpack/adaptor/cpp11/array_fwd.hpp b/include/msgpack/adaptor/cpp11/array_fwd.hpp
new file mode 100644
index 00000000..815694b4
--- /dev/null
+++ b/include/msgpack/adaptor/cpp11/array_fwd.hpp
@@ -0,0 +1,44 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2014 KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+
+#ifndef MSGPACK_CPP11_ARRAY_FWD_HPP
+#define MSGPACK_CPP11_ARRAY_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+
+#include <array>
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+template <typename T, std::size_t N>
+object const& operator>> (object const& o, std::array<T, N>& v);
+
+template <typename Stream, typename T, std::size_t N>
+packer<Stream>& operator<< (packer<Stream>& o, const std::array<T, N>& v);
+
+template <typename T, std::size_t N>
+void operator<< (object::with_zone& o, const std::array<T, N>& v);
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+} // namespace msgpack
+
+#endif // MSGPACK_CPP11_ARRAY_FWD_HPP
diff --git a/include/msgpack/adaptor/cpp11/forward_list.hpp b/include/msgpack/adaptor/cpp11/forward_list.hpp
index 68e5ac22..dd78afd6 100644
--- a/include/msgpack/adaptor/cpp11/forward_list.hpp
+++ b/include/msgpack/adaptor/cpp11/forward_list.hpp
@@ -19,13 +19,15 @@
 #ifndef MSGPACK_CPP11_FORWARD_LIST_HPP
 #define MSGPACK_CPP11_FORWARD_LIST_HPP
 
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+
 #include <forward_list>
 
-#include "msgpack/object.hpp"
-#include "msgpack/cpp_config.hpp"
-
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
 template <typename T>
 inline object const& operator>> (object const& o, std::forward_list<T>& v)
 {
@@ -64,6 +66,7 @@ inline void operator<< (object::with_zone& o, const std::forward_list<T>& v)
     }
 }
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 
 } // namespace msgpack
 
diff --git a/include/msgpack/adaptor/cpp11/forward_list_fwd.hpp b/include/msgpack/adaptor/cpp11/forward_list_fwd.hpp
new file mode 100644
index 00000000..47ca34a2
--- /dev/null
+++ b/include/msgpack/adaptor/cpp11/forward_list_fwd.hpp
@@ -0,0 +1,44 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2014 KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+
+#ifndef MSGPACK_CPP11_FORWARD_LIST_FWD_HPP
+#define MSGPACK_CPP11_FORWARD_LIST_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+
+#include <forward_list>
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+template <typename T>
+object const& operator>> (object const& o, std::forward_list<T>& v);
+
+template <typename Stream, typename T>
+packer<Stream>& operator<< (packer<Stream>& o, const std::forward_list<T>& v);
+
+template <typename T>
+void operator<< (object::with_zone& o, const std::forward_list<T>& v);
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+} // namespace msgpack
+
+#endif // MSGPACK_CPP11_FORWARD_LIST_FWD_HPP
diff --git a/include/msgpack/adaptor/cpp11/tuple.hpp b/include/msgpack/adaptor/cpp11/tuple.hpp
index 463c11a3..b917360a 100644
--- a/include/msgpack/adaptor/cpp11/tuple.hpp
+++ b/include/msgpack/adaptor/cpp11/tuple.hpp
@@ -18,13 +18,15 @@
 #ifndef MSGPACK_CPP11_TUPLE_HPP
 #define MSGPACK_CPP11_TUPLE_HPP
 
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+
 #include <tuple>
 
-#include "msgpack/object.hpp"
-#include "msgpack/cpp_config.hpp"
-
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
 // --- Pack ( from tuple to packer stream ---
 template <typename Stream, typename Tuple, std::size_t N>
 struct StdTuplePacker {
@@ -55,7 +57,7 @@ struct StdTuplePacker<Stream, Tuple, 0> {
 
 
 template <typename Stream, typename... Args>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
     packer<Stream>& o,
     const std::tuple<Args...>& v) {
     o.pack_array(sizeof...(Args));
@@ -93,7 +95,7 @@ struct StdTupleConverter<Tuple, 0> {
 };
 
 template <typename... Args>
-object const& operator>> (
+inline object const& operator>> (
     object const& o,
     std::tuple<Args...>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -140,6 +142,8 @@ inline void operator<< (
     StdTupleToObjectWithZone<decltype(v), sizeof...(Args)>::convert(o, v);
 }
 
-} // msgpack
+} // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+} // namespace msgpack
 
 #endif // MSGPACK_CPP11_TUPLE_HPP
diff --git a/include/msgpack/adaptor/cpp11/tuple_fwd.hpp b/include/msgpack/adaptor/cpp11/tuple_fwd.hpp
new file mode 100644
index 00000000..f17ac289
--- /dev/null
+++ b/include/msgpack/adaptor/cpp11/tuple_fwd.hpp
@@ -0,0 +1,62 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2008-2014 FURUHASHI Sadayuki and KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_CPP11_TUPLE_FWD_HPP
+#define MSGPACK_CPP11_TUPLE_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+
+#include <tuple>
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+// --- Pack ( from tuple to packer stream ---
+template <typename Stream, typename Tuple, std::size_t N>
+struct StdTuplePacker;
+
+template <typename Stream, typename... Args>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const std::tuple<Args...>& v);
+
+// --- Convert from tuple to object ---
+
+template <typename Tuple, std::size_t N>
+struct StdTupleConverter;
+
+template <typename... Args>
+object const& operator>> (
+    object const& o,
+    std::tuple<Args...>& v);
+
+// --- Convert from tuple to object with zone ---
+template <typename Tuple, std::size_t N>
+struct StdTupleToObjectWithZone;
+
+template <typename... Args>
+void operator<< (
+    object::with_zone& o,
+    std::tuple<Args...> const& v);
+
+} // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+} // namespace msgpack
+
+#endif // MSGPACK_CPP11_TUPLE_FWD_HPP
diff --git a/include/msgpack/adaptor/deque.hpp b/include/msgpack/adaptor/deque.hpp
index f5609c88..94bac923 100644
--- a/include/msgpack/adaptor/deque.hpp
+++ b/include/msgpack/adaptor/deque.hpp
@@ -18,11 +18,13 @@
 #ifndef MSGPACK_TYPE_DEQUE_HPP
 #define MSGPACK_TYPE_DEQUE_HPP
 
-#include "msgpack/object.hpp"
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
 #include <deque>
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
 
 template <typename T>
 inline object const& operator>> (object const& o, std::deque<T>& v)
@@ -70,6 +72,7 @@ inline void operator<< (object::with_zone& o, const std::deque<T>& v)
     }
 }
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 
 }  // namespace msgpack
 
diff --git a/include/msgpack/adaptor/deque_fwd.hpp b/include/msgpack/adaptor/deque_fwd.hpp
new file mode 100644
index 00000000..81a88189
--- /dev/null
+++ b/include/msgpack/adaptor/deque_fwd.hpp
@@ -0,0 +1,40 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2008-2014 FURUHASHI Sadayuki and KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_TYPE_DEQUE_FWD_HPP
+#define MSGPACK_TYPE_DEQUE_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+#include <deque>
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+template <typename T>
+object const& operator>> (object const& o, std::deque<T>& v);
+template <typename Stream, typename T>
+packer<Stream>& operator<< (packer<Stream>& o, const std::deque<T>& v);
+template <typename T>
+void operator<< (object::with_zone& o, const std::deque<T>& v);
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+#endif // MSGPACK_TYPE_DEQUE_FWD_HPP
diff --git a/include/msgpack/adaptor/detail/cpp03_define.hpp b/include/msgpack/adaptor/detail/cpp03_define.hpp
index 8e2b4b2a..3673da88 100644
--- a/include/msgpack/adaptor/detail/cpp03_define.hpp
+++ b/include/msgpack/adaptor/detail/cpp03_define.hpp
@@ -18,6 +18,10 @@
 #ifndef MSGPACK_CPP03_DEFINE_HPP
 #define MSGPACK_CPP03_DEFINE_HPP
 
+#include "msgpack/versioning.hpp"
+#include "msgpack/adaptor/msgpack_tuple_fwd.hpp"
+#include "msgpack/object_fwd.hpp"
+
 #define MSGPACK_DEFINE(...) \
     template <typename Packer> \
     void msgpack_pack(Packer& pk) const \
@@ -37,6 +41,7 @@
 // MSGPACK_ADD_ENUM must be used in the global namespace.
 #define MSGPACK_ADD_ENUM(enum) \
   namespace msgpack { \
+  MSGPACK_API_VERSION_NAMESPACE(v1) { \
     template <> \
     inline object const& operator>> (object const& o, enum& v) \
     { \
@@ -58,9 +63,11 @@
         } \
       }; \
     } \
+  } \
   }
 
 namespace msgpack {
+MSGPACK_API_VERSION_NAMESPACE(v1) {
 namespace type {
 
 
@@ -3458,6 +3465,7 @@ define<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16
 
 
 }  // namespace type
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 }  // namespace msgpack
 
 
diff --git a/include/msgpack/adaptor/detail/cpp03_msgpack_tuple.hpp b/include/msgpack/adaptor/detail/cpp03_msgpack_tuple.hpp
index 8be8dd71..70346189 100644
--- a/include/msgpack/adaptor/detail/cpp03_msgpack_tuple.hpp
+++ b/include/msgpack/adaptor/detail/cpp03_msgpack_tuple.hpp
@@ -18,17 +18,20 @@
 #ifndef MSGPACK_CPP03_MSGPACK_TUPLE_HPP
 #define MSGPACK_CPP03_MSGPACK_TUPLE_HPP
 
+#include "msgpack/versioning.hpp"
 #include "msgpack/object.hpp"
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
 namespace type {
 
 // FIXME operator==
 // FIXME operator!=
 
 
-template <typename A0 = void, typename A1 = void, typename A2 = void, typename A3 = void, typename A4 = void, typename A5 = void, typename A6 = void, typename A7 = void, typename A8 = void, typename A9 = void, typename A10 = void, typename A11 = void, typename A12 = void, typename A13 = void, typename A14 = void, typename A15 = void, typename A16 = void, typename A17 = void, typename A18 = void, typename A19 = void, typename A20 = void, typename A21 = void, typename A22 = void, typename A23 = void, typename A24 = void, typename A25 = void, typename A26 = void, typename A27 = void, typename A28 = void, typename A29 = void, typename A30 = void, typename A31 = void, typename A32 = void>
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31, typename A32>
 struct tuple;
 
 template <typename Tuple, int N>
@@ -10386,193 +10389,193 @@ inline tuple<> make_tuple()
 }
 
 template <typename A0>
-tuple<A0> make_tuple(typename tuple_type<A0>::transparent_reference a0)
+inline tuple<A0> make_tuple(typename tuple_type<A0>::transparent_reference a0)
 {
     return tuple<A0>(a0);
 }
 
 template <typename A0, typename A1>
-tuple<A0, A1> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1)
+inline tuple<A0, A1> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1)
 {
     return tuple<A0, A1>(a0, a1);
 }
 
 template <typename A0, typename A1, typename A2>
-tuple<A0, A1, A2> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2)
+inline tuple<A0, A1, A2> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2)
 {
     return tuple<A0, A1, A2>(a0, a1, a2);
 }
 
 template <typename A0, typename A1, typename A2, typename A3>
-tuple<A0, A1, A2, A3> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3)
+inline tuple<A0, A1, A2, A3> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3)
 {
     return tuple<A0, A1, A2, A3>(a0, a1, a2, a3);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4>
-tuple<A0, A1, A2, A3, A4> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4)
+inline tuple<A0, A1, A2, A3, A4> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4)
 {
     return tuple<A0, A1, A2, A3, A4>(a0, a1, a2, a3, a4);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
-tuple<A0, A1, A2, A3, A4, A5> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5)
+inline tuple<A0, A1, A2, A3, A4, A5> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5)
 {
     return tuple<A0, A1, A2, A3, A4, A5>(a0, a1, a2, a3, a4, a5);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
-tuple<A0, A1, A2, A3, A4, A5, A6> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6)
+inline tuple<A0, A1, A2, A3, A4, A5, A6> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6>(a0, a1, a2, a3, a4, a5, a6);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7>(a0, a1, a2, a3, a4, a5, a6, a7);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>(a0, a1, a2, a3, a4, a5, a6, a7, a8);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, a21);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, a21, a22);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, a21, a22, a23);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, a21, a22, a23, a24);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, a21, a22, a23, a24, a25);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25, typename tuple_type<A26>::transparent_reference a26)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25, typename tuple_type<A26>::transparent_reference a26)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, a21, a22, a23, a24, a25, a26);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25, typename tuple_type<A26>::transparent_reference a26, typename tuple_type<A27>::transparent_reference a27)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25, typename tuple_type<A26>::transparent_reference a26, typename tuple_type<A27>::transparent_reference a27)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, a21, a22, a23, a24, a25, a26, a27);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25, typename tuple_type<A26>::transparent_reference a26, typename tuple_type<A27>::transparent_reference a27, typename tuple_type<A28>::transparent_reference a28)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25, typename tuple_type<A26>::transparent_reference a26, typename tuple_type<A27>::transparent_reference a27, typename tuple_type<A28>::transparent_reference a28)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, a21, a22, a23, a24, a25, a26, a27, a28);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25, typename tuple_type<A26>::transparent_reference a26, typename tuple_type<A27>::transparent_reference a27, typename tuple_type<A28>::transparent_reference a28, typename tuple_type<A29>::transparent_reference a29)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25, typename tuple_type<A26>::transparent_reference a26, typename tuple_type<A27>::transparent_reference a27, typename tuple_type<A28>::transparent_reference a28, typename tuple_type<A29>::transparent_reference a29)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, a21, a22, a23, a24, a25, a26, a27, a28, a29);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25, typename tuple_type<A26>::transparent_reference a26, typename tuple_type<A27>::transparent_reference a27, typename tuple_type<A28>::transparent_reference a28, typename tuple_type<A29>::transparent_reference a29, typename tuple_type<A30>::transparent_reference a30)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25, typename tuple_type<A26>::transparent_reference a26, typename tuple_type<A27>::transparent_reference a27, typename tuple_type<A28>::transparent_reference a28, typename tuple_type<A29>::transparent_reference a29, typename tuple_type<A30>::transparent_reference a30)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, a21, a22, a23, a24, a25, a26, a27, a28, a29, a30);
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
-tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25, typename tuple_type<A26>::transparent_reference a26, typename tuple_type<A27>::transparent_reference a27, typename tuple_type<A28>::transparent_reference a28, typename tuple_type<A29>::transparent_reference a29, typename tuple_type<A30>::transparent_reference a30, typename tuple_type<A31>::transparent_reference a31)
+inline tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25, typename tuple_type<A26>::transparent_reference a26, typename tuple_type<A27>::transparent_reference a27, typename tuple_type<A28>::transparent_reference a28, typename tuple_type<A29>::transparent_reference a29, typename tuple_type<A30>::transparent_reference a30, typename tuple_type<A31>::transparent_reference a31)
 {
     return tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, a21, a22, a23, a24, a25, a26, a27, a28, a29, a30, a31);
 }
@@ -10588,7 +10591,7 @@ inline object const& operator>> (
 }
 
 template <typename A0>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10599,7 +10602,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10611,7 +10614,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10624,7 +10627,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10638,7 +10641,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10653,7 +10656,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10669,7 +10672,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10686,7 +10689,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10704,7 +10707,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10723,7 +10726,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10743,7 +10746,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10764,7 +10767,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10786,7 +10789,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10809,7 +10812,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10833,7 +10836,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10858,7 +10861,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10884,7 +10887,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10911,7 +10914,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10939,7 +10942,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10968,7 +10971,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -10998,7 +11001,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -11029,7 +11032,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -11061,7 +11064,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -11094,7 +11097,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -11128,7 +11131,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -11163,7 +11166,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -11199,7 +11202,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -11236,7 +11239,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -11274,7 +11277,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -11313,7 +11316,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -11353,7 +11356,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -11394,7 +11397,7 @@ object const& operator>> (
 }
 
 template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
-object const& operator>> (
+inline object const& operator>> (
         object const& o,
         type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>& v) {
     if(o.type != type::ARRAY) { throw type_error(); }
@@ -11437,7 +11440,7 @@ object const& operator>> (
 
 
 template <typename Stream>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<>&) {
     o.pack_array(0);
@@ -11445,7 +11448,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0>& v) {
     o.pack_array(1);
@@ -11455,7 +11458,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1>& v) {
     o.pack_array(2);
@@ -11466,7 +11469,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2>& v) {
     o.pack_array(3);
@@ -11478,7 +11481,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3>& v) {
     o.pack_array(4);
@@ -11491,7 +11494,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4>& v) {
     o.pack_array(5);
@@ -11505,7 +11508,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5>& v) {
     o.pack_array(6);
@@ -11520,7 +11523,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6>& v) {
     o.pack_array(7);
@@ -11536,7 +11539,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7>& v) {
     o.pack_array(8);
@@ -11553,7 +11556,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>& v) {
     o.pack_array(9);
@@ -11571,7 +11574,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>& v) {
     o.pack_array(10);
@@ -11590,7 +11593,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>& v) {
     o.pack_array(11);
@@ -11610,7 +11613,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>& v) {
     o.pack_array(12);
@@ -11631,7 +11634,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>& v) {
     o.pack_array(13);
@@ -11653,7 +11656,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>& v) {
     o.pack_array(14);
@@ -11676,7 +11679,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>& v) {
     o.pack_array(15);
@@ -11700,7 +11703,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>& v) {
     o.pack_array(16);
@@ -11725,7 +11728,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>& v) {
     o.pack_array(17);
@@ -11751,7 +11754,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>& v) {
     o.pack_array(18);
@@ -11778,7 +11781,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>& v) {
     o.pack_array(19);
@@ -11806,7 +11809,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>& v) {
     o.pack_array(20);
@@ -11835,7 +11838,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>& v) {
     o.pack_array(21);
@@ -11865,7 +11868,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>& v) {
     o.pack_array(22);
@@ -11896,7 +11899,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>& v) {
     o.pack_array(23);
@@ -11928,7 +11931,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>& v) {
     o.pack_array(24);
@@ -11961,7 +11964,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>& v) {
     o.pack_array(25);
@@ -11995,7 +11998,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>& v) {
     o.pack_array(26);
@@ -12030,7 +12033,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>& v) {
     o.pack_array(27);
@@ -12066,7 +12069,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>& v) {
     o.pack_array(28);
@@ -12103,7 +12106,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>& v) {
     o.pack_array(29);
@@ -12141,7 +12144,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>& v) {
     o.pack_array(30);
@@ -12180,7 +12183,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>& v) {
     o.pack_array(31);
@@ -12220,7 +12223,7 @@ const packer<Stream>& operator<< (
 }
 
 template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
-const packer<Stream>& operator<< (
+inline const packer<Stream>& operator<< (
         packer<Stream>& o,
         const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>& v) {
     o.pack_array(32);
@@ -13118,6 +13121,8 @@ inline void operator<< (
 }
 
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
 }  // namespace msgpack
 
 
diff --git a/include/msgpack/adaptor/detail/cpp03_msgpack_tuple_fwd.hpp b/include/msgpack/adaptor/detail/cpp03_msgpack_tuple_fwd.hpp
new file mode 100644
index 00000000..da8a9f26
--- /dev/null
+++ b/include/msgpack/adaptor/detail/cpp03_msgpack_tuple_fwd.hpp
@@ -0,0 +1,4341 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2008-2013 FURUHASHI Sadayuki and KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_CPP03_MSGPACK_TUPLE_FWD_HPP
+#define MSGPACK_CPP03_MSGPACK_TUPLE_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+namespace type {
+
+// FIXME operator==
+// FIXME operator!=
+
+
+template <typename A0 = void, typename A1 = void, typename A2 = void, typename A3 = void, typename A4 = void, typename A5 = void, typename A6 = void, typename A7 = void, typename A8 = void, typename A9 = void, typename A10 = void, typename A11 = void, typename A12 = void, typename A13 = void, typename A14 = void, typename A15 = void, typename A16 = void, typename A17 = void, typename A18 = void, typename A19 = void, typename A20 = void, typename A21 = void, typename A22 = void, typename A23 = void, typename A24 = void, typename A25 = void, typename A26 = void, typename A27 = void, typename A28 = void, typename A29 = void, typename A30 = void, typename A31 = void, typename A32 = void>
+struct tuple;
+
+template <typename Tuple, int N>
+struct tuple_element;
+
+template <typename Tuple, int N>
+struct const_tuple_element;
+
+template <typename T>
+struct tuple_type;
+
+
+
+template <typename A0>
+struct tuple_element<tuple<A0>, 0>;
+
+
+
+template <typename A0, typename A1>
+struct tuple_element<tuple<A0, A1>, 0>;
+
+template <typename A0, typename A1>
+struct tuple_element<tuple<A0, A1>, 1>;
+
+
+
+template <typename A0, typename A1, typename A2>
+struct tuple_element<tuple<A0, A1, A2>, 0>;
+
+template <typename A0, typename A1, typename A2>
+struct tuple_element<tuple<A0, A1, A2>, 1>;
+
+template <typename A0, typename A1, typename A2>
+struct tuple_element<tuple<A0, A1, A2>, 2>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3>
+struct tuple_element<tuple<A0, A1, A2, A3>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3>
+struct tuple_element<tuple<A0, A1, A2, A3>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3>
+struct tuple_element<tuple<A0, A1, A2, A3>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3>
+struct tuple_element<tuple<A0, A1, A2, A3>, 3>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4>
+struct tuple_element<tuple<A0, A1, A2, A3, A4>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4>
+struct tuple_element<tuple<A0, A1, A2, A3, A4>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4>
+struct tuple_element<tuple<A0, A1, A2, A3, A4>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4>
+struct tuple_element<tuple<A0, A1, A2, A3, A4>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4>
+struct tuple_element<tuple<A0, A1, A2, A3, A4>, 4>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5>, 5>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6>, 6>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7>, 7>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, 8>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 9>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 10>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 11>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 12>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 13>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 14>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 15>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 16>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 17>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 18>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 19>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 20>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 21>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 22>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 22>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 23>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 22>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 23>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 24>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 22>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 23>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 24>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 25>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 22>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 23>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 24>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 25>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 26>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 22>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 23>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 24>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 25>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 26>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 27>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 22>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 23>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 24>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 25>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 26>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 27>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 28>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 22>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 23>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 24>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 25>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 26>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 27>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 28>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 29>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 22>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 23>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 24>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 25>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 26>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 27>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 28>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 29>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 30>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 22>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 23>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 24>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 25>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 26>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 27>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 28>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 29>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 30>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 31>;
+
+
+
+
+
+template <typename A0>
+struct const_tuple_element<tuple<A0>, 0>;
+
+
+
+template <typename A0, typename A1>
+struct const_tuple_element<tuple<A0, A1>, 0>;
+
+template <typename A0, typename A1>
+struct const_tuple_element<tuple<A0, A1>, 1>;
+
+
+
+template <typename A0, typename A1, typename A2>
+struct const_tuple_element<tuple<A0, A1, A2>, 0>;
+
+template <typename A0, typename A1, typename A2>
+struct const_tuple_element<tuple<A0, A1, A2>, 1>;
+
+template <typename A0, typename A1, typename A2>
+struct const_tuple_element<tuple<A0, A1, A2>, 2>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3>
+struct const_tuple_element<tuple<A0, A1, A2, A3>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3>
+struct const_tuple_element<tuple<A0, A1, A2, A3>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3>
+struct const_tuple_element<tuple<A0, A1, A2, A3>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3>
+struct const_tuple_element<tuple<A0, A1, A2, A3>, 3>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4>, 4>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5>, 5>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6>, 6>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7>, 7>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, 8>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, 9>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, 10>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, 11>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, 12>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, 13>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, 14>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, 15>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, 16>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, 17>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, 18>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, 19>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, 20>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, 21>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, 22>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 22>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, 23>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 22>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 23>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, 24>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 22>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 23>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 24>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, 25>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 22>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 23>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 24>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 25>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, 26>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 22>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 23>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 24>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 25>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 26>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, 27>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 22>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 23>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 24>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 25>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 26>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 27>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, 28>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 22>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 23>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 24>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 25>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 26>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 27>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 28>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, 29>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 22>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 23>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 24>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 25>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 26>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 27>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 28>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 29>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, 30>;
+
+
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 0>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 1>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 2>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 3>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 4>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 5>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 6>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 7>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 8>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 9>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 10>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 11>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 12>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 13>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 14>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 15>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 16>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 17>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 18>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 19>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 20>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 21>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 22>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 23>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 24>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 25>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 26>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 27>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 28>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 29>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 30>;
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct const_tuple_element<tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, 31>;
+
+
+
+template <>
+struct tuple<>;
+
+template <typename A0>
+struct tuple<A0>;
+
+template <int N, typename A0>
+typename type::tuple_element<type::tuple<A0>, N>::reference get(type::tuple<A0>& t);
+template <int N, typename A0>
+typename type::const_tuple_element<type::tuple<A0>, N>::const_reference get(type::tuple<A0> const& t);
+
+template <typename A0, typename A1>
+struct tuple<A0, A1>;
+
+template <int N, typename A0, typename A1>
+typename type::tuple_element<type::tuple<A0, A1>, N>::reference get(type::tuple<A0, A1>& t);
+template <int N, typename A0, typename A1>
+typename type::const_tuple_element<type::tuple<A0, A1>, N>::const_reference get(type::tuple<A0, A1> const& t);
+
+template <typename A0, typename A1, typename A2>
+struct tuple<A0, A1, A2>;
+
+template <int N, typename A0, typename A1, typename A2>
+typename type::tuple_element<type::tuple<A0, A1, A2>, N>::reference get(type::tuple<A0, A1, A2>& t);
+template <int N, typename A0, typename A1, typename A2>
+typename type::const_tuple_element<type::tuple<A0, A1, A2>, N>::const_reference get(type::tuple<A0, A1, A2> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3>
+struct tuple<A0, A1, A2, A3>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3>, N>::reference get(type::tuple<A0, A1, A2, A3>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3>, N>::const_reference get(type::tuple<A0, A1, A2, A3> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4>
+struct tuple<A0, A1, A2, A3, A4>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4>, N>::reference get(type::tuple<A0, A1, A2, A3, A4>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+struct tuple<A0, A1, A2, A3, A4, A5>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+struct tuple<A0, A1, A2, A3, A4, A5, A6>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30> const& t);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+struct tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>;
+
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+typename type::tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, N>::reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>& t);
+template <int N, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+typename type::const_tuple_element<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>, N>::const_reference get(type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31> const& t);
+
+
+tuple<> make_tuple();
+
+template <typename A0>
+tuple<A0> make_tuple(typename tuple_type<A0>::transparent_reference a0);
+
+template <typename A0, typename A1>
+tuple<A0, A1> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1);
+
+template <typename A0, typename A1, typename A2>
+tuple<A0, A1, A2> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2);
+
+template <typename A0, typename A1, typename A2, typename A3>
+tuple<A0, A1, A2, A3> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4>
+tuple<A0, A1, A2, A3, A4> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+tuple<A0, A1, A2, A3, A4, A5> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+tuple<A0, A1, A2, A3, A4, A5, A6> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25, typename tuple_type<A26>::transparent_reference a26);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25, typename tuple_type<A26>::transparent_reference a26, typename tuple_type<A27>::transparent_reference a27);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25, typename tuple_type<A26>::transparent_reference a26, typename tuple_type<A27>::transparent_reference a27, typename tuple_type<A28>::transparent_reference a28);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25, typename tuple_type<A26>::transparent_reference a26, typename tuple_type<A27>::transparent_reference a27, typename tuple_type<A28>::transparent_reference a28, typename tuple_type<A29>::transparent_reference a29);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25, typename tuple_type<A26>::transparent_reference a26, typename tuple_type<A27>::transparent_reference a27, typename tuple_type<A28>::transparent_reference a28, typename tuple_type<A29>::transparent_reference a29, typename tuple_type<A30>::transparent_reference a30);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31> make_tuple(typename tuple_type<A0>::transparent_reference a0, typename tuple_type<A1>::transparent_reference a1, typename tuple_type<A2>::transparent_reference a2, typename tuple_type<A3>::transparent_reference a3, typename tuple_type<A4>::transparent_reference a4, typename tuple_type<A5>::transparent_reference a5, typename tuple_type<A6>::transparent_reference a6, typename tuple_type<A7>::transparent_reference a7, typename tuple_type<A8>::transparent_reference a8, typename tuple_type<A9>::transparent_reference a9, typename tuple_type<A10>::transparent_reference a10, typename tuple_type<A11>::transparent_reference a11, typename tuple_type<A12>::transparent_reference a12, typename tuple_type<A13>::transparent_reference a13, typename tuple_type<A14>::transparent_reference a14, typename tuple_type<A15>::transparent_reference a15, typename tuple_type<A16>::transparent_reference a16, typename tuple_type<A17>::transparent_reference a17, typename tuple_type<A18>::transparent_reference a18, typename tuple_type<A19>::transparent_reference a19, typename tuple_type<A20>::transparent_reference a20, typename tuple_type<A21>::transparent_reference a21, typename tuple_type<A22>::transparent_reference a22, typename tuple_type<A23>::transparent_reference a23, typename tuple_type<A24>::transparent_reference a24, typename tuple_type<A25>::transparent_reference a25, typename tuple_type<A26>::transparent_reference a26, typename tuple_type<A27>::transparent_reference a27, typename tuple_type<A28>::transparent_reference a28, typename tuple_type<A29>::transparent_reference a29, typename tuple_type<A30>::transparent_reference a30, typename tuple_type<A31>::transparent_reference a31);
+
+
+}  // namespace type
+
+object const& operator>> (
+    object const& o,
+    type::tuple<>&);
+
+
+template <typename A0>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0>& v);
+
+template <typename A0, typename A1>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1>& v);
+
+template <typename A0, typename A1, typename A2>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2>& v);
+
+template <typename A0, typename A1, typename A2, typename A3>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+object const& operator>> (
+    object const& o,
+    type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>& v);
+
+
+template <typename Stream>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<>&);
+
+
+template <typename Stream, typename A0>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0>& v);
+
+template <typename Stream, typename A0, typename A1>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>& v);
+
+template <typename Stream, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>& v);
+
+
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<>&);
+
+template <typename A0>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0>& v);
+
+template <typename A0, typename A1>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1>& v);
+
+template <typename A0, typename A1, typename A2>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2>& v);
+
+template <typename A0, typename A1, typename A2, typename A3>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>& v);
+
+template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+void operator<< (
+    object::with_zone& o,
+    const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>& v);
+
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+
+//std::ostream& operator<< (std::ostream& o, const msgpack::type::tuple<>& v);
+//
+//template <typename A0>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0>& v);
+//
+//template <typename A0, typename A1>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1>& v);
+//
+//template <typename A0, typename A1, typename A2>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>& v);
+//
+//template <typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15, typename A16, typename A17, typename A18, typename A19, typename A20, typename A21, typename A22, typename A23, typename A24, typename A25, typename A26, typename A27, typename A28, typename A29, typename A30, typename A31>
+//std::ostream& operator<< (std::ostream& o,
+//      const msgpack::type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>& v);
+//
+
+#endif // MSGPACK_CPP03_MSGPACK_TUPLE_FWD_HPP
diff --git a/include/msgpack/adaptor/detail/cpp11_define.hpp b/include/msgpack/adaptor/detail/cpp11_define.hpp
index eb955316..6e29b4ad 100644
--- a/include/msgpack/adaptor/detail/cpp11_define.hpp
+++ b/include/msgpack/adaptor/detail/cpp11_define.hpp
@@ -18,7 +18,14 @@
 #ifndef MSGPACK_CPP11_DEFINE_HPP
 #define MSGPACK_CPP11_DEFINE_HPP
 
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+
+// for MSGPACK_ADD_ENUM
+#include "msgpack/adaptor/int_fwd.hpp"
+
 #include <type_traits>
+#include <tuple>
 
 #define MSGPACK_DEFINE(...) \
     template <typename Packer> \
@@ -39,6 +46,7 @@
 // MSGPACK_ADD_ENUM must be used in the global namespace.
 #define MSGPACK_ADD_ENUM(enum) \
   namespace msgpack { \
+  MSGPACK_API_VERSION_NAMESPACE(v1) { \
     template <> \
     inline object const& operator>> (object const& o, enum& v) \
     { \
@@ -61,9 +69,11 @@
         } \
       }; \
     } \
+  } \
   }
 
 namespace msgpack {
+MSGPACK_API_VERSION_NAMESPACE(v1) {
 namespace type {
 
 template <typename Tuple, std::size_t N>
@@ -104,7 +114,7 @@ struct define_imp<Tuple, 1> {
 template <typename... Args>
 struct define {
     typedef define<Args...> value_type;
-    typedef tuple<Args...> tuple_type;
+    typedef std::tuple<Args...> tuple_type;
     define(Args&... args) :
         a(args...) {}
     template <typename Packer>
@@ -112,13 +122,13 @@ struct define {
     {
         pk.pack_array(sizeof...(Args));
 
-        define_imp<tuple<Args&...>, sizeof...(Args)>::pack(pk, a);
+        define_imp<std::tuple<Args&...>, sizeof...(Args)>::pack(pk, a);
     }
     void msgpack_unpack(msgpack::object const& o)
     {
         if(o.type != type::ARRAY) { throw type_error(); }
 
-        define_imp<tuple<Args&...>, sizeof...(Args)>::unpack(o, a);
+        define_imp<std::tuple<Args&...>, sizeof...(Args)>::unpack(o, a);
     }
     void msgpack_object(msgpack::object* o, msgpack::zone& z) const
     {
@@ -126,16 +136,16 @@ struct define {
         o->via.array.ptr = static_cast<object*>(z.allocate_align(sizeof(object)*sizeof...(Args)));
         o->via.array.size = sizeof...(Args);
 
-        define_imp<tuple<Args&...>, sizeof...(Args)>::object(o, z, a);
+        define_imp<std::tuple<Args&...>, sizeof...(Args)>::object(o, z, a);
     }
 
-    tuple<Args&...> a;
+    std::tuple<Args&...> a;
 };
 
 template <>
 struct define<> {
     typedef define<> value_type;
-    typedef tuple<> tuple_type;
+    typedef std::tuple<> tuple_type;
     template <typename Packer>
     void msgpack_pack(Packer& pk) const
     {
@@ -165,6 +175,7 @@ define<Args...> make_define(Args&... args)
 }
 
 }  // namespace type
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 }  // namespace msgpack
 
 #endif // MSGPACK_CPP11_DEFINE_HPP
diff --git a/include/msgpack/adaptor/detail/cpp11_msgpack_tuple.hpp b/include/msgpack/adaptor/detail/cpp11_msgpack_tuple.hpp
index 8b5aa607..3b532d87 100644
--- a/include/msgpack/adaptor/detail/cpp11_msgpack_tuple.hpp
+++ b/include/msgpack/adaptor/detail/cpp11_msgpack_tuple.hpp
@@ -18,13 +18,15 @@
 #ifndef MSGPACK_CPP11_MSGPACK_TUPLE_HPP
 #define MSGPACK_CPP11_MSGPACK_TUPLE_HPP
 
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+
 #include <tuple>
 
-#include "msgpack/object.hpp"
-#include "msgpack/cpp_config.hpp"
-
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
 namespace type {
     // tuple
     using std::get;
@@ -203,6 +205,8 @@ inline void operator<< (
     MsgpackTupleToObjectWithZone<decltype(v), sizeof...(Args)>::convert(o, v);
 }
 
-} // msgpack
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
 
 #endif // MSGPACK_CPP11_MSGPACK_TUPLE_HPP
diff --git a/include/msgpack/adaptor/detail/cpp11_msgpack_tuple_fwd.hpp b/include/msgpack/adaptor/detail/cpp11_msgpack_tuple_fwd.hpp
new file mode 100644
index 00000000..b9f148ef
--- /dev/null
+++ b/include/msgpack/adaptor/detail/cpp11_msgpack_tuple_fwd.hpp
@@ -0,0 +1,84 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2008-2014 FURUHASHI Sadayuki and KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_CPP11_MSGPACK_TUPLE_FWD_HPP
+#define MSGPACK_CPP11_MSGPACK_TUPLE_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+
+#include <tuple>
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+namespace type {
+    // tuple
+    using std::get;
+    using std::tuple_size;
+    using std::tuple_element;
+    using std::uses_allocator;
+    using std::ignore;
+    using std::make_tuple;
+    using std::tie;
+    using std::forward_as_tuple;
+    using std::swap;
+
+    template< class... Types >
+    class tuple;
+
+    template< class... Tuples >
+    auto tuple_cat(Tuples&&... args) ->
+        decltype(
+            std::tuple_cat(std::forward<typename std::remove_reference<Tuples>::type::base>(args)...)
+        );
+} // namespace type
+
+// --- Pack ( from tuple to packer stream ---
+template <typename Stream, typename Tuple, std::size_t N>
+struct MsgpackTuplePacker;
+
+template <typename Stream, typename... Args>
+const packer<Stream>& operator<< (
+    packer<Stream>& o,
+    const type::tuple<Args...>& v);
+
+// --- Convert from tuple to object ---
+
+template <typename Tuple, std::size_t N>
+struct MsgpackTupleConverter;
+
+template <typename... Args>
+object const& operator>> (
+    object const& o,
+    type::tuple<Args...>& v);
+
+// --- Convert from tuple to object with zone ---
+template <typename Tuple, std::size_t N>
+struct MsgpackTupleToObjectWithZone;
+
+template <typename... Args>
+void operator<< (
+    object::with_zone& o,
+    type::tuple<Args...> const& v);
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+#endif // MSGPACK_CPP11_MSGPACK_TUPLE_FWD_HPP
diff --git a/include/msgpack/adaptor/fixint.hpp b/include/msgpack/adaptor/fixint.hpp
index b395850a..eb7f7a8a 100644
--- a/include/msgpack/adaptor/fixint.hpp
+++ b/include/msgpack/adaptor/fixint.hpp
@@ -18,11 +18,14 @@
 #ifndef MSGPACK_TYPE_FIXINT_HPP
 #define MSGPACK_TYPE_FIXINT_HPP
 
-#include "msgpack/object.hpp"
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
 #include "msgpack/adaptor/int.hpp"
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
 namespace type {
 
 
@@ -202,6 +205,8 @@ inline void operator<< (object::with_zone& o, type::fix_uint64 v)
     { static_cast<object&>(o) << v; }
 
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
 }  // namespace msgpack
 
 #endif /* msgpack/type/fixint.hpp */
diff --git a/include/msgpack/adaptor/fixint_fwd.hpp b/include/msgpack/adaptor/fixint_fwd.hpp
new file mode 100644
index 00000000..cad85ebe
--- /dev/null
+++ b/include/msgpack/adaptor/fixint_fwd.hpp
@@ -0,0 +1,100 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2014 FURUHASHI Sadayuki and KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_TYPE_FIXINT_FWD_HPP
+#define MSGPACK_TYPE_FIXINT_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+namespace type {
+
+
+template <typename T>
+struct fix_int;
+
+typedef fix_int<uint8_t>  fix_uint8;
+typedef fix_int<uint16_t> fix_uint16;
+typedef fix_int<uint32_t> fix_uint32;
+typedef fix_int<uint64_t> fix_uint64;
+
+typedef fix_int<int8_t>  fix_int8;
+typedef fix_int<int16_t> fix_int16;
+typedef fix_int<int32_t> fix_int32;
+typedef fix_int<int64_t> fix_int64;
+
+
+}  // namespace type
+
+
+object const& operator>> (object const& o, type::fix_int8& v);
+object const& operator>> (object const& o, type::fix_int16& v);
+object const& operator>> (object const& o, type::fix_int32& v);
+object const& operator>> (object const& o, type::fix_int64& v);
+
+object const& operator>> (object const& o, type::fix_uint8& v);
+object const& operator>> (object const& o, type::fix_uint16& v);
+object const& operator>> (object const& o, type::fix_uint32& v);
+object const& operator>> (object const& o, type::fix_uint64& v);
+
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, const type::fix_int8& v);
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, const type::fix_int16& v);
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, const type::fix_int32& v);
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, const type::fix_int64& v);
+
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, const type::fix_uint8& v);
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, const type::fix_uint16& v);
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, const type::fix_uint32& v);
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, const type::fix_uint64& v);
+
+void operator<< (object& o, type::fix_int8 v);
+void operator<< (object& o, type::fix_int16 v);
+void operator<< (object& o, type::fix_int32 v);
+void operator<< (object& o, type::fix_int64 v);
+
+void operator<< (object& o, type::fix_uint8 v);
+void operator<< (object& o, type::fix_uint16 v);
+void operator<< (object& o, type::fix_uint32 v);
+void operator<< (object& o, type::fix_uint64 v);
+
+void operator<< (object::with_zone& o, type::fix_int8 v);
+void operator<< (object::with_zone& o, type::fix_int16 v);
+void operator<< (object::with_zone& o, type::fix_int32 v);
+void operator<< (object::with_zone& o, type::fix_int64 v);
+
+void operator<< (object::with_zone& o, type::fix_uint8 v);
+void operator<< (object::with_zone& o, type::fix_uint16 v);
+void operator<< (object::with_zone& o, type::fix_uint32 v);
+void operator<< (object::with_zone& o, type::fix_uint64 v);
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+#endif // MSGPACK_TYPE_FIXINT_FWD_HPP
diff --git a/include/msgpack/adaptor/float.hpp b/include/msgpack/adaptor/float.hpp
index 16470e4b..8191db91 100644
--- a/include/msgpack/adaptor/float.hpp
+++ b/include/msgpack/adaptor/float.hpp
@@ -18,11 +18,13 @@
 #ifndef MSGPACK_TYPE_FLOAT_HPP
 #define MSGPACK_TYPE_FLOAT_HPP
 
-#include "msgpack/object.hpp"
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
 #include <vector>
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
 
 // FIXME check overflow, underflow
 
@@ -96,6 +98,8 @@ inline void operator<< (object::with_zone& o, double v)
     { static_cast<object&>(o) << v; }
 
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
 }  // namespace msgpack
 
-#endif /* msgpack/type/float.hpp */
+#endif // MSGPACK_TYPE_FLOAT_HPP
diff --git a/include/msgpack/adaptor/float_fwd.hpp b/include/msgpack/adaptor/float_fwd.hpp
new file mode 100644
index 00000000..5eb9bafb
--- /dev/null
+++ b/include/msgpack/adaptor/float_fwd.hpp
@@ -0,0 +1,44 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2008-2014 FURUHASHI Sadayuki and KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_TYPE_FLOAT_FWD_HPP
+#define MSGPACK_TYPE_FLOAT_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+#include <vector>
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+object const& operator>> (object const& o, float& v);
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, const float& v);
+object const& operator>> (object const& o, double& v);
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, const double& v);
+void operator<< (object& o, float v);
+void operator<< (object& o, double v);
+void operator<< (object::with_zone& o, float v);
+void operator<< (object::with_zone& o, double v);
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+#endif // MSGPACK_TYPE_FLOAT_FWD_HPP
diff --git a/include/msgpack/adaptor/int.hpp b/include/msgpack/adaptor/int.hpp
index 305af663..51c0021e 100644
--- a/include/msgpack/adaptor/int.hpp
+++ b/include/msgpack/adaptor/int.hpp
@@ -18,11 +18,13 @@
 #ifndef MSGPACK_TYPE_INT_HPP
 #define MSGPACK_TYPE_INT_HPP
 
-#include "msgpack/object.hpp"
+#include "msgpack/versioning.hpp"
+#include "msgpack_fwd.hpp"
 #include <limits>
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1){
 
 namespace type {
 namespace detail {
@@ -323,6 +325,8 @@ inline void operator<< (object::with_zone& o, const unsigned long long& v)
     { static_cast<object&>(o) << v; }
 
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
 }  // namespace msgpack
 
 #endif /* msgpack/type/int.hpp */
diff --git a/include/msgpack/adaptor/int_fwd.hpp b/include/msgpack/adaptor/int_fwd.hpp
new file mode 100644
index 00000000..682f6b8e
--- /dev/null
+++ b/include/msgpack/adaptor/int_fwd.hpp
@@ -0,0 +1,100 @@
+//
+// MessagePack for C++ forward declaration
+//
+// Copyright (C) 2008-2014 FURUHASHI Sadayuki and KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_TYPE_INT_FWD_HPP
+#define MSGPACK_TYPE_INT_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1){
+
+object const& operator>> (object const& o, char& v);
+
+object const& operator>> (object const& o, signed char& v);
+object const& operator>> (object const& o, signed short& v);
+object const& operator>> (object const& o, signed int& v);
+object const& operator>> (object const& o, signed long& v);
+object const& operator>> (object const& o, signed long long& v);
+
+object const& operator>> (object const& o, unsigned char& v);
+object const& operator>> (object const& o, unsigned short& v);
+object const& operator>> (object const& o, unsigned int& v);
+object const& operator>> (object const& o, unsigned long& v);
+object const& operator>> (object const& o, unsigned long long& v);
+
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, char v);
+
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, signed char v);
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, signed short v);
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, signed int v);
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, signed long v);
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, signed long long v);
+
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, unsigned char v);
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, unsigned short v);
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, unsigned int v);
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, unsigned long v);
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, unsigned long long v);
+
+
+void operator<< (object& o, char v);
+
+void operator<< (object& o, signed char v);
+void operator<< (object& o, signed short v);
+void operator<< (object& o, signed int v);
+void operator<< (object& o, signed long v);
+void operator<< (object& o, signed long long v);
+
+void operator<< (object& o, unsigned char v);
+void operator<< (object& o, unsigned short v);
+void operator<< (object& o, unsigned int v);
+void operator<< (object& o, unsigned long v);
+void operator<< (object& o, unsigned long long v);
+
+void operator<< (object::with_zone& o, char v);
+
+void operator<< (object::with_zone& o, signed char v);
+void operator<< (object::with_zone& o, signed short v);
+void operator<< (object::with_zone& o, signed int v);
+void operator<< (object::with_zone& o, signed long v);
+void operator<< (object::with_zone& o, const signed long long& v);
+
+void operator<< (object::with_zone& o, unsigned char v);
+void operator<< (object::with_zone& o, unsigned short v);
+void operator<< (object::with_zone& o, unsigned int v);
+void operator<< (object::with_zone& o, unsigned long v);
+void operator<< (object::with_zone& o, const unsigned long long& v);
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+#endif // MSGPACK_TYPE_INT_FWD_HPP
diff --git a/include/msgpack/adaptor/list.hpp b/include/msgpack/adaptor/list.hpp
index 048eae00..321f531b 100644
--- a/include/msgpack/adaptor/list.hpp
+++ b/include/msgpack/adaptor/list.hpp
@@ -18,11 +18,13 @@
 #ifndef MSGPACK_TYPE_LIST_HPP
 #define MSGPACK_TYPE_LIST_HPP
 
-#include "msgpack/object.hpp"
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
 #include <list>
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
 
 template <typename T>
 inline object const& operator>> (object const& o, std::list<T>& v)
@@ -70,7 +72,8 @@ inline void operator<< (object::with_zone& o, const std::list<T>& v)
     }
 }
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 
 }  // namespace msgpack
 
-#endif /* msgpack/type/list.hpp */
+#endif // MSGPACK_TYPE_LIST_HPP
diff --git a/include/msgpack/adaptor/list_fwd.hpp b/include/msgpack/adaptor/list_fwd.hpp
new file mode 100644
index 00000000..814a21a0
--- /dev/null
+++ b/include/msgpack/adaptor/list_fwd.hpp
@@ -0,0 +1,40 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2008-2009 FURUHASHI Sadayuki
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_TYPE_LIST_FWD_HPP
+#define MSGPACK_TYPE_LIST_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+#include <list>
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+template <typename T>
+object const& operator>> (object const& o, std::list<T>& v);
+template <typename Stream, typename T>
+packer<Stream>& operator<< (packer<Stream>& o, const std::list<T>& v);
+template <typename T>
+void operator<< (object::with_zone& o, const std::list<T>& v);
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+#endif // MSGPACK_TYPE_LIST_FWD_HPP
diff --git a/include/msgpack/adaptor/map.hpp b/include/msgpack/adaptor/map.hpp
index 4f2e0af0..c8e5c22f 100644
--- a/include/msgpack/adaptor/map.hpp
+++ b/include/msgpack/adaptor/map.hpp
@@ -18,13 +18,15 @@
 #ifndef MSGPACK_TYPE_MAP_HPP
 #define MSGPACK_TYPE_MAP_HPP
 
-#include "msgpack/object.hpp"
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
 #include <map>
 #include <vector>
 #include <algorithm>
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
 
 namespace type {
 
@@ -202,7 +204,8 @@ inline void operator<< (object::with_zone& o, const std::multimap<K,V>& v)
     }
 }
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 
 }  // namespace msgpack
 
-#endif /* msgpack/type/map.hpp */
+#endif // MSGPACK_TYPE_MAP_HPP
diff --git a/include/msgpack/adaptor/map_fwd.hpp b/include/msgpack/adaptor/map_fwd.hpp
new file mode 100644
index 00000000..fe5cc6b0
--- /dev/null
+++ b/include/msgpack/adaptor/map_fwd.hpp
@@ -0,0 +1,69 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2008-2014 FURUHASHI Sadayuki and KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_TYPE_MAP_FWD_HPP
+#define MSGPACK_TYPE_MAP_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+#include <map>
+#include <vector>
+#include <algorithm>
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+namespace type {
+
+template <typename K, typename V>
+class assoc_vector;
+
+namespace detail {
+    template <typename K, typename V>
+    struct pair_first_less;
+}  // namespace detail
+
+}  // namespace type
+
+
+template <typename K, typename V>
+object const& operator>> (object const& o, type::assoc_vector<K,V>& v);
+template <typename Stream, typename K, typename V>
+packer<Stream>& operator<< (packer<Stream>& o, const type::assoc_vector<K,V>& v);
+template <typename K, typename V>
+void operator<< (object::with_zone& o, const type::assoc_vector<K,V>& v);
+
+template <typename K, typename V>
+object const& operator>> (object const& o, std::map<K, V>& v);
+template <typename Stream, typename K, typename V>
+packer<Stream>& operator<< (packer<Stream>& o, const std::map<K,V>& v);
+template <typename K, typename V>
+void operator<< (object::with_zone& o, const std::map<K,V>& v);
+
+template <typename K, typename V>
+object const& operator>> (object const& o, std::multimap<K, V>& v);
+template <typename Stream, typename K, typename V>
+packer<Stream>& operator<< (packer<Stream>& o, const std::multimap<K,V>& v);
+template <typename K, typename V>
+void operator<< (object::with_zone& o, const std::multimap<K,V>& v);
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+#endif // MSGPACK_TYPE_MAP_HPP
diff --git a/include/msgpack/adaptor/msgpack_tuple_fwd.hpp b/include/msgpack/adaptor/msgpack_tuple_fwd.hpp
new file mode 100644
index 00000000..12ea8e9b
--- /dev/null
+++ b/include/msgpack/adaptor/msgpack_tuple_fwd.hpp
@@ -0,0 +1,29 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2008-2014 FURUHASHI Sadayuki and KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_MSGPACK_TUPLE_FWD_HPP
+#define MSGPACK_MSGPACK_TUPLE_FWD_HPP
+
+#include "msgpack/cpp_config.hpp"
+
+#if defined(MSGPACK_USE_CPP03)
+#include "detail/cpp03_msgpack_tuple_fwd.hpp"
+#else  // MSGPACK_USE_CPP03
+#include "detail/cpp11_msgpack_tuple_fwd.hpp"
+#endif // MSGPACK_USE_CPP03
+
+#endif // MSGPACK_MSGPACK_TUPLE_FWD_HPP
diff --git a/include/msgpack/adaptor/nil.hpp b/include/msgpack/adaptor/nil.hpp
index f52d4ffe..4b092e28 100644
--- a/include/msgpack/adaptor/nil.hpp
+++ b/include/msgpack/adaptor/nil.hpp
@@ -18,10 +18,13 @@
 #ifndef MSGPACK_TYPE_NIL_HPP
 #define MSGPACK_TYPE_NIL_HPP
 
-#include "msgpack/object.hpp"
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
 namespace type {
 
 struct nil { };
@@ -58,7 +61,8 @@ inline void object::as<void>() const
     convert(v);
 }
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 
 }  // namespace msgpack
 
-#endif /* msgpack/type/nil.hpp */
+#endif // MSGPACK_TYPE_NIL_HPP
diff --git a/include/msgpack/adaptor/nil_fwd.hpp b/include/msgpack/adaptor/nil_fwd.hpp
new file mode 100644
index 00000000..80d14860
--- /dev/null
+++ b/include/msgpack/adaptor/nil_fwd.hpp
@@ -0,0 +1,51 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2008-2014 FURUHASHI Sadayuki and KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_TYPE_NIL_FWD_HPP
+#define MSGPACK_TYPE_NIL_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+namespace type {
+
+struct nil;
+
+}  // namespace type
+
+
+object const& operator>> (object const& o, type::nil&);
+
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, const type::nil&);
+
+void operator<< (object& o, type::nil);
+
+void operator<< (object::with_zone& o, type::nil v);
+
+template <>
+inline void object::as<void>() const;
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+#endif // MSGPACK_TYPE_NIL_FWD_HPP
diff --git a/include/msgpack/adaptor/pair.hpp b/include/msgpack/adaptor/pair.hpp
index 851d00c3..27b88fae 100644
--- a/include/msgpack/adaptor/pair.hpp
+++ b/include/msgpack/adaptor/pair.hpp
@@ -18,11 +18,13 @@
 #ifndef MSGPACK_TYPE_PAIR_HPP
 #define MSGPACK_TYPE_PAIR_HPP
 
-#include "msgpack/object.hpp"
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
 #include <utility>
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
 
 template <typename T1, typename T2>
 inline object const& operator>> (object const& o, std::pair<T1, T2>& v)
@@ -54,7 +56,8 @@ inline void operator<< (object::with_zone& o, const std::pair<T1, T2>& v)
     p[1] = object(v.second, o.zone);
 }
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 
 }  // namespace msgpack
 
-#endif /* msgpack/type/pair.hpp */
+#endif // MSGPACK_TYPE_PAIR_HPP
diff --git a/include/msgpack/adaptor/pair_fwd.hpp b/include/msgpack/adaptor/pair_fwd.hpp
new file mode 100644
index 00000000..d6d84d39
--- /dev/null
+++ b/include/msgpack/adaptor/pair_fwd.hpp
@@ -0,0 +1,42 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2008-2009 FURUHASHI Sadayuki
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_TYPE_PAIR_FWD_HPP
+#define MSGPACK_TYPE_PAIR_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+#include <utility>
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+template <typename T1, typename T2>
+object const& operator>> (object const& o, std::pair<T1, T2>& v);
+
+template <typename Stream, typename T1, typename T2>
+packer<Stream>& operator<< (packer<Stream>& o, const std::pair<T1, T2>& v);
+
+template <typename T1, typename T2>
+void operator<< (object::with_zone& o, const std::pair<T1, T2>& v);
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+#endif // MSGPACK_TYPE_PAIR_FWD_HPP
diff --git a/include/msgpack/adaptor/raw.hpp b/include/msgpack/adaptor/raw.hpp
index e2268607..590b5de7 100644
--- a/include/msgpack/adaptor/raw.hpp
+++ b/include/msgpack/adaptor/raw.hpp
@@ -18,12 +18,15 @@
 #ifndef MSGPACK_TYPE_RAW_HPP
 #define MSGPACK_TYPE_RAW_HPP
 
-#include "msgpack/object.hpp"
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
 #include <string.h>
 #include <string>
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
 namespace type {
 
 struct raw_ref {
@@ -88,6 +91,8 @@ inline void operator<< (object::with_zone& o, const type::raw_ref& v)
     { static_cast<object&>(o) << v; }
 
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
 }  // namespace msgpack
 
-#endif /* msgpack/type/raw.hpp */
+#endif // MSGPACK_TYPE_RAW_HPP
diff --git a/include/msgpack/adaptor/raw_fwd.hpp b/include/msgpack/adaptor/raw_fwd.hpp
new file mode 100644
index 00000000..26f83434
--- /dev/null
+++ b/include/msgpack/adaptor/raw_fwd.hpp
@@ -0,0 +1,50 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2008-2009 FURUHASHI Sadayuki
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_TYPE_RAW_FWD_HPP
+#define MSGPACK_TYPE_RAW_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+#include <string.h>
+#include <string>
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+namespace type {
+
+struct raw_ref;
+
+}  // namespace type
+
+
+object const& operator>> (object const& o, type::raw_ref& v);
+
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, const type::raw_ref& v);
+
+void operator<< (object& o, const type::raw_ref& v);
+
+void operator<< (object::with_zone& o, const type::raw_ref& v);
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+#endif // MSGPACK_TYPE_RAW_FWD_HPP
diff --git a/include/msgpack/adaptor/set.hpp b/include/msgpack/adaptor/set.hpp
index fa2b5657..427b52fc 100644
--- a/include/msgpack/adaptor/set.hpp
+++ b/include/msgpack/adaptor/set.hpp
@@ -18,11 +18,14 @@
 #ifndef MSGPACK_TYPE_SET_HPP
 #define MSGPACK_TYPE_SET_HPP
 
-#include "msgpack/object.hpp"
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+
 #include <set>
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
 
 template <typename T>
 inline object const& operator>> (object const& o, std::set<T>& v)
@@ -119,7 +122,8 @@ inline void operator<< (object::with_zone& o, const std::multiset<T>& v)
     }
 }
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 
 }  // namespace msgpack
 
-#endif /* msgpack/type/set.hpp */
+#endif // MSGPACK_TYPE_SET_HPP
diff --git a/include/msgpack/adaptor/set_fwd.hpp b/include/msgpack/adaptor/set_fwd.hpp
new file mode 100644
index 00000000..ae5712f8
--- /dev/null
+++ b/include/msgpack/adaptor/set_fwd.hpp
@@ -0,0 +1,52 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2008-2014 FURUHASHI Sadayuki and KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_TYPE_SET_FWD_HPP
+#define MSGPACK_TYPE_SET_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+
+#include <set>
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+template <typename T>
+object const& operator>> (object const& o, std::set<T>& v);
+
+template <typename Stream, typename T>
+packer<Stream>& operator<< (packer<Stream>& o, const std::set<T>& v);
+
+template <typename T>
+void operator<< (object::with_zone& o, const std::set<T>& v);
+
+template <typename T>
+object const& operator>> (object const& o, std::multiset<T>& v);
+
+template <typename Stream, typename T>
+packer<Stream>& operator<< (packer<Stream>& o, const std::multiset<T>& v);
+
+template <typename T>
+void operator<< (object::with_zone& o, const std::multiset<T>& v);
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+#endif // MSGPACK_TYPE_SET_FWD_HPP
diff --git a/include/msgpack/adaptor/string.hpp b/include/msgpack/adaptor/string.hpp
index a1ea2f8c..05c2867f 100644
--- a/include/msgpack/adaptor/string.hpp
+++ b/include/msgpack/adaptor/string.hpp
@@ -18,11 +18,13 @@
 #ifndef MSGPACK_TYPE_STRING_HPP
 #define MSGPACK_TYPE_STRING_HPP
 
-#include "msgpack/object.hpp"
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
 #include <string>
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
 
 inline object const& operator>> (object const& o, std::string& v)
 {
@@ -64,7 +66,8 @@ inline void operator<< (object& o, const std::string& v)
     o.via.str.size = static_cast<uint32_t>(v.size());
 }
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 
 }  // namespace msgpack
 
-#endif /* msgpack/type/string.hpp */
+#endif // MSGPACK_TYPE_STRING_HPP
diff --git a/include/msgpack/adaptor/string_fwd.hpp b/include/msgpack/adaptor/string_fwd.hpp
new file mode 100644
index 00000000..471654e6
--- /dev/null
+++ b/include/msgpack/adaptor/string_fwd.hpp
@@ -0,0 +1,42 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2008-2014 FURUHASHI Sadayuki and KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_TYPE_STRING_FWD_HPP
+#define MSGPACK_TYPE_STRING_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+#include <string>
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+object const& operator>> (object const& o, std::string& v);
+
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, const std::string& v);
+
+void operator<< (object::with_zone& o, const std::string& v);
+
+void operator<< (object& o, const std::string& v);
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+#endif // MSGPACK_TYPE_STRING_FWD_HPP
diff --git a/include/msgpack/adaptor/tr1/unordered_map.hpp b/include/msgpack/adaptor/tr1/unordered_map.hpp
index 7e6ea497..caf9f544 100644
--- a/include/msgpack/adaptor/tr1/unordered_map.hpp
+++ b/include/msgpack/adaptor/tr1/unordered_map.hpp
@@ -18,7 +18,8 @@
 #ifndef MSGPACK_TYPE_TR1_UNORDERED_MAP_HPP
 #define MSGPACK_TYPE_TR1_UNORDERED_MAP_HPP
 
-#include "msgpack/object.hpp"
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
 
 #if defined(_LIBCPP_VERSION) || (_MSC_VER >= 1700)
 
@@ -42,6 +43,7 @@
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
 
 template <typename K, typename V>
 inline object const& operator>> (object const& o, MSGPACK_STD_TR1::unordered_map<K, V>& v)
@@ -145,9 +147,10 @@ inline void operator<< (object::with_zone& o, const MSGPACK_STD_TR1::unordered_m
     }
 }
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 
 }  // namespace msgpack
 
 #undef MSGPACK_STD_TR1
 
-#endif /* msgpack/type/map.hpp */
+#endif // MSGPACK_TYPE_TR1_UNORDERED_MAP_HPP
diff --git a/include/msgpack/adaptor/tr1/unordered_map_fwd.hpp b/include/msgpack/adaptor/tr1/unordered_map_fwd.hpp
new file mode 100644
index 00000000..99801e96
--- /dev/null
+++ b/include/msgpack/adaptor/tr1/unordered_map_fwd.hpp
@@ -0,0 +1,72 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2008-2014 FURUHASHI Sadayuki and KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_TYPE_TR1_UNORDERED_MAP_FWD_HPP
+#define MSGPACK_TYPE_TR1_UNORDERED_MAP_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+
+#if defined(_LIBCPP_VERSION) || (_MSC_VER >= 1700)
+
+#define MSGPACK_HAS_STD_UNOURDERED_MAP
+#include <unordered_map>
+#define MSGPACK_STD_TR1 std
+
+#else   // defined(_LIBCPP_VERSION) || (_MSC_VER >= 1700)
+
+#if __GNUC__ >= 4
+
+#define MSGPACK_HAS_STD_TR1_UNOURDERED_MAP
+
+#include <tr1/unordered_map>
+#define MSGPACK_STD_TR1 std::tr1
+
+#endif // __GNUC__ >= 4
+
+#endif  // defined(_LIBCPP_VERSION) || (_MSC_VER >= 1700)
+
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+template <typename K, typename V>
+object const& operator>> (object const& o, MSGPACK_STD_TR1::unordered_map<K, V>& v);
+
+template <typename Stream, typename K, typename V>
+packer<Stream>& operator<< (packer<Stream>& o, const MSGPACK_STD_TR1::unordered_map<K,V>& v);
+
+template <typename K, typename V>
+void operator<< (object::with_zone& o, const MSGPACK_STD_TR1::unordered_map<K,V>& v);
+
+template <typename K, typename V>
+object const& operator>> (object const& o, MSGPACK_STD_TR1::unordered_multimap<K, V>& v);
+
+template <typename Stream, typename K, typename V>
+packer<Stream>& operator<< (packer<Stream>& o, const MSGPACK_STD_TR1::unordered_multimap<K,V>& v);
+
+template <typename K, typename V>
+void operator<< (object::with_zone& o, const MSGPACK_STD_TR1::unordered_multimap<K,V>& v);
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+#undef MSGPACK_STD_TR1
+
+#endif // MSGPACK_TYPE_TR1_UNORDERED_MAP_FWD_HPP
diff --git a/include/msgpack/adaptor/tr1/unordered_set.hpp b/include/msgpack/adaptor/tr1/unordered_set.hpp
index 384e2fac..9db2825c 100644
--- a/include/msgpack/adaptor/tr1/unordered_set.hpp
+++ b/include/msgpack/adaptor/tr1/unordered_set.hpp
@@ -18,7 +18,8 @@
 #ifndef MSGPACK_TYPE_TR1_UNORDERED_SET_HPP
 #define MSGPACK_TYPE_TR1_UNORDERED_SET_HPP
 
-#include "msgpack/object.hpp"
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
 
 #if defined(_LIBCPP_VERSION) || (_MSC_VER >= 1700)
 
@@ -41,6 +42,7 @@
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
 
 template <typename T>
 inline object const& operator>> (object const& o, MSGPACK_STD_TR1::unordered_set<T>& v)
@@ -137,9 +139,10 @@ inline void operator<< (object::with_zone& o, const MSGPACK_STD_TR1::unordered_m
     }
 }
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 
 }  // namespace msgpack
 
 #undef MSGPACK_STD_TR1
 
-#endif /* msgpack/type/set.hpp */
+#endif // MSGPACK_TYPE_TR1_UNORDERED_SET_HPP
diff --git a/include/msgpack/adaptor/tr1/unordered_set_fwd.hpp b/include/msgpack/adaptor/tr1/unordered_set_fwd.hpp
new file mode 100644
index 00000000..f5e9e648
--- /dev/null
+++ b/include/msgpack/adaptor/tr1/unordered_set_fwd.hpp
@@ -0,0 +1,71 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2008-2009 FURUHASHI Sadayuki
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_TYPE_TR1_UNORDERED_SET_FWD_HPP
+#define MSGPACK_TYPE_TR1_UNORDERED_SET_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+
+#if defined(_LIBCPP_VERSION) || (_MSC_VER >= 1700)
+
+#define MSGPACK_HAS_STD_UNOURDERED_SET
+#include <unordered_set>
+#define MSGPACK_STD_TR1 std
+
+#else   // defined(_LIBCPP_VERSION) || (_MSC_VER >= 1700)
+
+#if __GNUC__ >= 4
+
+#define MSGPACK_HAS_STD_TR1_UNOURDERED_SET
+
+#include <tr1/unordered_set>
+#define MSGPACK_STD_TR1 std::tr1
+
+#endif // __GNUC__ >= 4
+
+#endif  // defined(_LIBCPP_VERSION) || (_MSC_VER >= 1700)
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+template <typename T>
+object const& operator>> (object const& o, MSGPACK_STD_TR1::unordered_set<T>& v);
+
+template <typename Stream, typename T>
+packer<Stream>& operator<< (packer<Stream>& o, const MSGPACK_STD_TR1::unordered_set<T>& v);
+
+template <typename T>
+void operator<< (object::with_zone& o, const MSGPACK_STD_TR1::unordered_set<T>& v);
+
+template <typename T>
+object const& operator>> (object const& o, MSGPACK_STD_TR1::unordered_multiset<T>& v);
+
+template <typename Stream, typename T>
+packer<Stream>& operator<< (packer<Stream>& o, const MSGPACK_STD_TR1::unordered_multiset<T>& v);
+
+template <typename T>
+void operator<< (object::with_zone& o, const MSGPACK_STD_TR1::unordered_multiset<T>& v);
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+#undef MSGPACK_STD_TR1
+
+#endif // MSGPACK_TYPE_TR1_UNORDERED_SET_FWD_HPP
diff --git a/include/msgpack/adaptor/vector.hpp b/include/msgpack/adaptor/vector.hpp
index 73856896..fe643117 100644
--- a/include/msgpack/adaptor/vector.hpp
+++ b/include/msgpack/adaptor/vector.hpp
@@ -18,11 +18,13 @@
 #ifndef MSGPACK_TYPE_VECTOR_HPP
 #define MSGPACK_TYPE_VECTOR_HPP
 
-#include "msgpack/object.hpp"
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
 #include <vector>
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
 
 template <typename T>
 inline object const& operator>> (object const& o, std::vector<T>& v)
@@ -74,7 +76,8 @@ inline void operator<< (object::with_zone& o, const std::vector<T>& v)
     }
 }
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 
 }  // namespace msgpack
 
-#endif /* msgpack/type/vector.hpp */
+#endif // MSGPACK_TYPE_VECTOR_HPP
diff --git a/include/msgpack/adaptor/vector_char.hpp b/include/msgpack/adaptor/vector_char.hpp
index d87081d0..1ea6c93c 100644
--- a/include/msgpack/adaptor/vector_char.hpp
+++ b/include/msgpack/adaptor/vector_char.hpp
@@ -18,11 +18,14 @@
 #ifndef MSGPACK_TYPE_VECTOR_CHAR_HPP
 #define MSGPACK_TYPE_VECTOR_CHAR_HPP
 
-#include "msgpack/object.hpp"
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
 #include <vector>
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
 inline object const& operator>> (object const& o, std::vector<char>& v)
 {
     switch (o.type) {
@@ -66,6 +69,8 @@ inline void operator<< (object::with_zone& o, const std::vector<char>& v)
     std::memcpy(ptr, v.data(), v.size());
 }
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
 }  // namespace msgpack
 
 #endif // MSGPACK_TYPE_VECTOR_CHAR_HPP
diff --git a/include/msgpack/adaptor/vector_char_fwd.hpp b/include/msgpack/adaptor/vector_char_fwd.hpp
new file mode 100644
index 00000000..0d668efd
--- /dev/null
+++ b/include/msgpack/adaptor/vector_char_fwd.hpp
@@ -0,0 +1,42 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2014 KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_TYPE_VECTOR_CHAR_FWD_HPP
+#define MSGPACK_TYPE_VECTOR_CHAR_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+#include <vector>
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+object const& operator>> (object const& o, std::vector<char>& v);
+
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, const std::vector<char>& v);
+
+void operator<< (object& o, const std::vector<char>& v);
+
+void operator<< (object::with_zone& o, const std::vector<char>& v);
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+#endif // MSGPACK_TYPE_VECTOR_CHAR_FWD_HPP
diff --git a/include/msgpack/adaptor/vector_fwd.hpp b/include/msgpack/adaptor/vector_fwd.hpp
new file mode 100644
index 00000000..1e144018
--- /dev/null
+++ b/include/msgpack/adaptor/vector_fwd.hpp
@@ -0,0 +1,42 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2008-2009 FURUHASHI Sadayuki
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+#ifndef MSGPACK_TYPE_VECTOR_FWD_HPP
+#define MSGPACK_TYPE_VECTOR_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+#include <vector>
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+template <typename T>
+object const& operator>> (object const& o, std::vector<T>& v);
+
+template <typename Stream, typename T>
+packer<Stream>& operator<< (packer<Stream>& o, const std::vector<T>& v);
+
+template <typename T>
+void operator<< (object::with_zone& o, const std::vector<T>& v);
+
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
+
+#endif // MSGPACK_TYPE_VECTOR_FWD_HPP
diff --git a/include/msgpack/cpp_config.hpp b/include/msgpack/cpp_config.hpp
index 72be9817..be00f6ef 100644
--- a/include/msgpack/cpp_config.hpp
+++ b/include/msgpack/cpp_config.hpp
@@ -18,6 +18,8 @@
 #ifndef MSGPACK_CPP_CONFIG_HPP
 #define MSGPACK_CPP_CONFIG_HPP
 
+#include "msgpack/versioning.hpp"
+
 #if !defined(MSGPACK_USE_CPP03)
   // If MSVC would support C++11 completely,
   // then 'defined(_MSC_VER)' would replace with
@@ -40,6 +42,8 @@
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
 template <typename T>
 struct unique_ptr : std::auto_ptr<T> {
     explicit unique_ptr(T* p = 0) throw() : std::auto_ptr<T>(p) {}
@@ -69,7 +73,9 @@ template <typename T>
 struct enable_if<false, T> {
 };
 
-} // msgpack
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+}  // namespace msgpack
 
 
 #else  // __cplusplus < 201103
@@ -78,6 +84,8 @@ struct enable_if<false, T> {
 #include <tuple>
 
 namespace msgpack {
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
     // unique_ptr
     using std::unique_ptr;
     // using std::make_unique; // since C++14
@@ -88,7 +96,8 @@ namespace msgpack {
     using std::swap;
     using std::enable_if;
 
-} // msgpack
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+}  // namespace msgpack
 
 
 #endif // __cplusplus < 201103
diff --git a/include/msgpack/detail/cpp03_zone.hpp b/include/msgpack/detail/cpp03_zone.hpp
index 989398da..8d202232 100644
--- a/include/msgpack/detail/cpp03_zone.hpp
+++ b/include/msgpack/detail/cpp03_zone.hpp
@@ -22,7 +22,7 @@
 #include <memory>
 #include <vector>
 
-#include "msgpack/cpp_config.hpp"
+#include "msgpack/versioning.hpp"
 
 #ifndef MSGPACK_ZONE_CHUNK_SIZE
 #define MSGPACK_ZONE_CHUNK_SIZE 8192
@@ -35,6 +35,8 @@
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
 class zone {
     struct finalizer {
         finalizer(void (*func)(void*), void* data):m_func(func), m_data(data) {}
@@ -631,6 +633,8 @@ T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9,
 }
 
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
 }  // namespace msgpack
 
 #endif // MSGPACK_CPP03_ZONE_HPP
diff --git a/include/msgpack/detail/cpp11_zone.hpp b/include/msgpack/detail/cpp11_zone.hpp
index f768f008..f3ec210b 100644
--- a/include/msgpack/detail/cpp11_zone.hpp
+++ b/include/msgpack/detail/cpp11_zone.hpp
@@ -18,6 +18,8 @@
 #ifndef MSGPACK_CPP11_ZONE_HPP
 #define MSGPACK_CPP11_ZONE_HPP
 
+#include "msgpack/versioning.hpp"
+
 #include <cstdlib>
 #include <memory>
 #include <vector>
@@ -34,6 +36,8 @@
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
 class zone {
 private:
     struct finalizer {
@@ -341,6 +345,8 @@ T* zone::allocate(Args... args)
     }
 }
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
 }  // namespace msgpack
 
 #endif // MSGPACK_CPP11_ZONE_HPP
diff --git a/include/msgpack/fbuffer.hpp b/include/msgpack/fbuffer.hpp
index 5d974d6f..39bb4089 100644
--- a/include/msgpack/fbuffer.hpp
+++ b/include/msgpack/fbuffer.hpp
@@ -18,11 +18,14 @@
 #ifndef MSGPACK_FBUFFER_HPP__
 #define MSGPACK_FBUFFER_HPP__
 
+#include "msgpack/versioning.hpp"
+
 #include <cstdio>
 #include <stdexcept>
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
 
 class fbuffer {
 public:
@@ -49,8 +52,8 @@ private:
     FILE* m_file;
 };
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 
 }  // namespace msgpack
 
 #endif /* msgpack/fbuffer.hpp */
-
diff --git a/include/msgpack/object.hpp b/include/msgpack/object.hpp
index f060450b..b6df9fa5 100644
--- a/include/msgpack/object.hpp
+++ b/include/msgpack/object.hpp
@@ -1,7 +1,7 @@
 //
 // MessagePack for C++ static resolution routine
 //
-// Copyright (C) 2008-2010 FURUHASHI Sadayuki
+// Copyright (C) 2008-2014 FURUHASHI Sadayuki and KONDO Takatoshi
 //
 //    Licensed under the Apache License, Version 2.0 (the "License");
 //    you may not use this file except in compliance with the License.
@@ -18,9 +18,37 @@
 #ifndef MSGPACK_OBJECT_HPP
 #define MSGPACK_OBJECT_HPP
 
-#include "object.h"
-#include "pack.hpp"
-#include "zone.hpp"
+#include "msgpack/versioning.hpp"
+#include "msgpack/object_fwd.hpp"
+#include "msgpack/pack.hpp"
+#include "msgpack/zone.hpp"
+#include "msgpack/adaptor/int_fwd.hpp"
+#include "msgpack/adaptor/bool_fwd.hpp"
+#include "msgpack/adaptor/char_ptr_fwd.hpp"
+#include "msgpack/adaptor/deque_fwd.hpp"
+#include "msgpack/adaptor/fixint_fwd.hpp"
+#include "msgpack/adaptor/float_fwd.hpp"
+#include "msgpack/adaptor/int_fwd.hpp"
+#include "msgpack/adaptor/list_fwd.hpp"
+#include "msgpack/adaptor/map_fwd.hpp"
+#include "msgpack/adaptor/msgpack_tuple_fwd.hpp"
+#include "msgpack/adaptor/nil_fwd.hpp"
+#include "msgpack/adaptor/pair_fwd.hpp"
+#include "msgpack/adaptor/raw_fwd.hpp"
+#include "msgpack/adaptor/set_fwd.hpp"
+#include "msgpack/adaptor/string_fwd.hpp"
+#include "msgpack/adaptor/vector_fwd.hpp"
+#include "msgpack/adaptor/vector_char_fwd.hpp"
+#include "msgpack/adaptor/tr1/unordered_map_fwd.hpp"
+#include "msgpack/adaptor/tr1/unordered_set_fwd.hpp"
+
+#if !defined(MSGPACK_USE_CPP03)
+#include "adaptor/cpp11/array_fwd.hpp"
+#include "adaptor/cpp11/array_char_fwd.hpp"
+#include "adaptor/cpp11/forward_list_fwd.hpp"
+#include "adaptor/cpp11/tuple_fwd.hpp"
+#endif // !defined(MSGPACK_USE_CPP03)
+
 #include <string.h>
 #include <stdexcept>
 #include <typeinfo>
@@ -29,114 +57,7 @@
 
 namespace msgpack {
 
-
-class type_error : public std::bad_cast { };
-
-
-namespace type {
-    enum object_type {
-        NIL                 = MSGPACK_OBJECT_NIL,
-        BOOLEAN             = MSGPACK_OBJECT_BOOLEAN,
-        POSITIVE_INTEGER    = MSGPACK_OBJECT_POSITIVE_INTEGER,
-        NEGATIVE_INTEGER    = MSGPACK_OBJECT_NEGATIVE_INTEGER,
-        DOUBLE              = MSGPACK_OBJECT_DOUBLE,
-        STR                 = MSGPACK_OBJECT_STR,
-        BIN                 = MSGPACK_OBJECT_BIN,
-        ARRAY               = MSGPACK_OBJECT_ARRAY,
-        MAP                 = MSGPACK_OBJECT_MAP,
-        EXT                 = MSGPACK_OBJECT_EXT
-    };
-}
-
-
-struct object;
-struct object_kv;
-
-struct object_array {
-    uint32_t size;
-    object* ptr;
-};
-
-struct object_map {
-    uint32_t size;
-    object_kv* ptr;
-};
-
-struct object_str {
-    uint32_t size;
-    const char* ptr;
-};
-
-struct object_bin {
-    uint32_t size;
-    const char* ptr;
-};
-
-struct object_ext {
-    int8_t type() const { return ptr[0]; }
-    const char* data() const { return &ptr[1]; }
-    uint32_t size;
-    const char* ptr;
-};
-
-struct object {
-    union union_type {
-        bool boolean;
-        uint64_t u64;
-        int64_t  i64;
-        double   dec;
-        object_array array;
-        object_map map;
-        object_str str;
-        object_bin bin;
-        object_ext ext;
-    };
-
-    type::object_type type;
-    union_type via;
-
-    bool is_nil() const { return type == type::NIL; }
-
-    template <typename T>
-    T as() const;
-
-    template <typename T>
-    void convert(T& v) const;
-    template <typename T>
-    void convert(T* v) const;
-
-    object();
-
-    object(msgpack_object o);
-
-    template <typename T>
-    explicit object(const T& v);
-
-    template <typename T>
-    object(const T& v, zone& z);
-
-    // obsolete
-    template <typename T>
-    object(const T& v, zone* z);
-
-    template <typename T>
-    object& operator=(const T& v);
-
-    operator msgpack_object() const;
-
-    struct with_zone;
-
-private:
-    struct implicit_type;
-
-public:
-    implicit_type convert() const;
-};
-
-struct object_kv {
-    object key;
-    object val;
-};
+MSGPACK_API_VERSION_NAMESPACE(v1) {
 
 struct object::with_zone : object {
     with_zone(msgpack::zone& zone) : zone(zone) { }
@@ -156,6 +77,48 @@ private:
     object const& obj;
 };
 
+inline object const& operator>> (object const& o, object& v)
+{
+    v = o;
+    return o;
+}
+
+template <typename T>
+inline object const& operator>> (object const& o, T& v)
+{
+    // If you get a error 'class your_class has no member named 'msgpack_unpack',
+    // check the following:
+    // 1. The class your_class should have MSGPACK_DEFINE macro or
+    //
+    // 2. The class your_class should have the following operator declaration and
+    //    definition:
+    //    inline object const& operator>> (object const& o, std::string& v)
+    //
+    //    See 3.
+    //
+    // 3. #include "msgpack.hpp" too early.
+    //    Replace msgpack.hpp with msgpack_fwd.hpp, then,
+    //    place operator declarations as follows:
+    //
+    //    namespace msgpack {
+    //    MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS) {
+    //    object const& operator>> (object const& o, std::string& v);
+    //    }
+    //    }
+    //
+    //    then, #include "msgpack.hpp", finally place the operator definitions as follows:
+    //
+    //    namespace msgpack {
+    //    MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS) {
+    //    object const& operator>> (object const& o, std::string& v) {
+    //        // converting operations here
+    //    }
+    //    } // MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS)
+    //    } // namespace msgpack
+    //
+    v.msgpack_unpack(o.convert());
+    return o;
+}
 
 // obsolete
 template <typename Type>
@@ -170,42 +133,55 @@ public:
     template <typename Packer>
     void msgpack_pack(Packer& o) const
     {
-        o << static_cast<const msgpack_type&>(*this);
+        msgpack::operator<<(o, static_cast<const msgpack_type&>(*this));
     }
 
     void msgpack_unpack(object const& o)
     {
-        o >> static_cast<msgpack_type&>(*this);
+        msgpack::operator>>(o, static_cast<msgpack_type&>(*this));
     }
 };
 
-
-template <typename Stream>
-template <typename T>
-inline packer<Stream>& packer<Stream>::pack(const T& v)
-{
-    *this << v;
-    return *this;
-}
-
-inline object const& operator>> (object const& o, object& v)
-{
-    v = o;
-    return o;
-}
-
-// convert operator
-template <typename T>
-inline object const& operator>> (object const& o, T& v)
-{
-    v.msgpack_unpack(o.convert());
-    return o;
-}
-
 namespace detail {
 template <typename Stream, typename T>
 struct packer_serializer {
     static packer<Stream>& pack(packer<Stream>& o, const T& v) {
+        // If you get a error 'const class your_class has no member named 'msgpack_pack',
+        // check the following:
+        // 1. The class your_class should have MSGPACK_DEFINE macro or
+        //
+        // 2. The class your_class should have the following operator declaration and
+        //    definition:
+        //
+        //    namespace msgpack {
+        //    MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS) {
+        //    template <typename Stream>
+        //    inline packer<Stream>& operator<< (packer<Stream>& o, const your_class& v)
+        //    } // MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS)
+        //    } // namespace msgpack
+        //
+        //    See 3.
+        //
+        // 3. #include "msgpack.hpp" too early.
+        //    Replace msgpack.hpp with msgpack_fwd.hpp, then,
+        //    place operator declarations as follows:
+        //
+        //    namespace msgpack {
+        //    MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS) {
+        //    template <typename Stream>
+        //    packer<Stream>& operator<< (packer<Stream>& o, const your_class& v);
+        //    } // MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS)
+        //    } // namespace msgpack
+        //
+        //    then, #include "msgpack.hpp", finally place the operator definitions as follows:
+        //
+        //    template <typename Stream>
+        //    inline packer<Stream>& operator<< (packer<Stream>& o, const your_class& v) {
+        //         // packing operation
+        //    }
+        //    } // MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS)
+        //    } // namespace msgpack
+        //
         v.msgpack_pack(o);
         return o;
     }
@@ -226,6 +202,13 @@ inline void operator<< (object::with_zone& o, const T& v)
     v.msgpack_object(static_cast<object*>(&o), o.zone);
 }
 
+template <typename Stream>
+template <typename T>
+inline packer<Stream>& packer<Stream>::pack(const T& v)
+{
+    msgpack::operator<<(*this, v);
+    return *this;
+}
 
 inline bool operator==(const object& x, const object& y)
 {
@@ -334,7 +317,7 @@ inline object::implicit_type object::convert() const
 template <typename T>
 inline void object::convert(T& v) const
 {
-    *this >> v;
+    msgpack::operator>>(*this, v);
 }
 
 template <typename T>
@@ -360,7 +343,7 @@ inline object::object()
 template <typename T>
 inline object::object(const T& v)
 {
-    *this << v;
+    msgpack::operator<<(*this, v);
 }
 
 template <typename T>
@@ -374,7 +357,7 @@ template <typename T>
 object::object(const T& v, zone& z)
 {
     with_zone oz(z);
-    oz << v;
+    msgpack::operator<<(oz, v);
     type = oz.type;
     via = oz.via;
 }
@@ -383,7 +366,7 @@ template <typename T>
 object::object(const T& v, zone* z)
 {
     with_zone oz(*z);
-    oz << v;
+    msgpack::operator<<(oz, v);
     type = oz.type;
     via = oz.via;
 }
@@ -433,7 +416,7 @@ inline void pack_copy(packer<Stream>& o, T v)
 
 
 template <typename Stream>
-packer<Stream>& operator<< (packer<Stream>& o, const object& v)
+inline packer<Stream>& operator<< (packer<Stream>& o, const object& v)
 {
     switch(v.type) {
     case type::NIL:
@@ -480,7 +463,7 @@ packer<Stream>& operator<< (packer<Stream>& o, const object& v)
         for(object* p(v.via.array.ptr),
                 * const pend(v.via.array.ptr + v.via.array.size);
                 p < pend; ++p) {
-            o << *p;
+            msgpack::operator<<(o, *p);
         }
         return o;
 
@@ -489,8 +472,8 @@ packer<Stream>& operator<< (packer<Stream>& o, const object& v)
         for(object_kv* p(v.via.map.ptr),
                 * const pend(v.via.map.ptr + v.via.map.size);
                 p < pend; ++p) {
-            o << p->key;
-            o << p->val;
+            msgpack::operator<<(o, p->key);
+            msgpack::operator<<(o, p->val);
         }
         return o;
 
@@ -568,6 +551,8 @@ inline std::ostream& operator<< (std::ostream& s, const object& o)
     return s;
 }
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
 }  // namespace msgpack
 
 #include "msgpack/type.hpp"
diff --git a/include/msgpack/object_fwd.hpp b/include/msgpack/object_fwd.hpp
new file mode 100644
index 00000000..a8ae4422
--- /dev/null
+++ b/include/msgpack/object_fwd.hpp
@@ -0,0 +1,170 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2008-2014 FURUHASHI Sadayuki and KONDO Takatoshi
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+
+#ifndef MSGPACK_OBJECT_FWD_HPP
+#define MSGPACK_OBJECT_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/zone.hpp"
+#include "msgpack/object.h"
+
+#include <typeinfo>
+
+namespace msgpack {
+
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
+
+namespace type {
+    enum object_type {
+        NIL                 = MSGPACK_OBJECT_NIL,
+        BOOLEAN             = MSGPACK_OBJECT_BOOLEAN,
+        POSITIVE_INTEGER    = MSGPACK_OBJECT_POSITIVE_INTEGER,
+        NEGATIVE_INTEGER    = MSGPACK_OBJECT_NEGATIVE_INTEGER,
+        DOUBLE              = MSGPACK_OBJECT_DOUBLE,
+        STR                 = MSGPACK_OBJECT_STR,
+        BIN                 = MSGPACK_OBJECT_BIN,
+        ARRAY               = MSGPACK_OBJECT_ARRAY,
+        MAP                 = MSGPACK_OBJECT_MAP,
+        EXT                 = MSGPACK_OBJECT_EXT
+    };
+}
+
+
+struct object;
+struct object_kv;
+
+struct object_array {
+    uint32_t size;
+    object* ptr;
+};
+
+struct object_map {
+    uint32_t size;
+    object_kv* ptr;
+};
+
+struct object_str {
+    uint32_t size;
+    const char* ptr;
+};
+
+struct object_bin {
+    uint32_t size;
+    const char* ptr;
+};
+
+struct object_ext {
+    int8_t type() const { return ptr[0]; }
+    const char* data() const { return &ptr[1]; }
+    uint32_t size;
+    const char* ptr;
+};
+
+struct object {
+    union union_type {
+        bool boolean;
+        uint64_t u64;
+        int64_t  i64;
+        double   dec;
+        object_array array;
+        object_map map;
+        object_str str;
+        object_bin bin;
+        object_ext ext;
+    };
+
+    type::object_type type;
+    union_type via;
+
+    bool is_nil() const { return type == type::NIL; }
+
+    template <typename T>
+    T as() const;
+
+    template <typename T>
+    void convert(T& v) const;
+    template <typename T>
+    void convert(T* v) const;
+
+    object();
+
+    object(msgpack_object o);
+
+    template <typename T>
+    explicit object(const T& v);
+
+    template <typename T>
+    object(const T& v, zone& z);
+
+    // obsolete
+    template <typename T>
+    object(const T& v, zone* z);
+
+    template <typename T>
+    object& operator=(const T& v);
+
+    operator msgpack_object() const;
+
+    struct with_zone;
+
+private:
+    struct implicit_type;
+
+public:
+    implicit_type convert() const;
+};
+
+class type_error : public std::bad_cast { };
+
+struct object_kv {
+    object key;
+    object val;
+};
+
+namespace detail {
+template <typename Stream, typename T>
+struct packer_serializer;
+} // namespace detail
+
+object const& operator>> (object const& o, object& v);
+
+template <typename T>
+object const& operator>> (object const& o, T& v);
+
+template <typename T>
+void operator<< (object::with_zone& o, const T& v);
+
+
+template <typename Stream>
+class packer;
+
+template <typename Stream>
+packer<Stream>& operator<< (packer<Stream>& o, const object& v);
+
+template <typename Stream, typename T>
+packer<Stream>& operator<< (packer<Stream>& o, const T& v);
+
+template <typename T>
+void operator<< (object::with_zone& o, const T& v);
+
+} // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+} // namespace msgpack
+
+#endif // MSGPACK_OBJECT_FWD_HPP
diff --git a/include/msgpack/pack.hpp b/include/msgpack/pack.hpp
index bfae2dd2..088d69a6 100644
--- a/include/msgpack/pack.hpp
+++ b/include/msgpack/pack.hpp
@@ -18,6 +18,8 @@
 #ifndef MSGPACK_PACK_HPP
 #define MSGPACK_PACK_HPP
 
+#include "msgpack/versioning.hpp"
+
 #include <stdexcept>
 #include <limits>
 #include <cstring>
@@ -26,6 +28,7 @@
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
 
 template <typename Stream>
 class packer {
@@ -1018,7 +1021,8 @@ inline void packer<Stream>::pack_imp_int64(T d)
     }
 }
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
 }  // namespace msgpack
 
 #endif /* msgpack/pack.hpp */
-
diff --git a/include/msgpack/sbuffer.hpp b/include/msgpack/sbuffer.hpp
index 76f4be25..531f9f16 100644
--- a/include/msgpack/sbuffer.hpp
+++ b/include/msgpack/sbuffer.hpp
@@ -18,6 +18,8 @@
 #ifndef MSGPACK_SBUFFER_HPP
 #define MSGPACK_SBUFFER_HPP
 
+#include "msgpack/versioning.hpp"
+
 #include <stdexcept>
 
 #ifndef MSGPACK_SBUFFER_INIT_SIZE
@@ -26,6 +28,7 @@
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
 
 class sbuffer {
 public:
@@ -90,14 +93,14 @@ private:
     {
         size_t nsize = (m_alloc > 0) ?
                 m_alloc * 2 : MSGPACK_SBUFFER_INIT_SIZE;
-    
+
         while(nsize < m_size + len) { nsize *= 2; }
-    
+
         void* tmp = ::realloc(m_data, nsize);
         if(!tmp) {
             throw std::bad_alloc();
         }
-    
+
         m_data = static_cast<char*>(tmp);
         m_alloc = nsize;
     }
@@ -110,8 +113,8 @@ private:
     size_t m_alloc;
 };
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 
 }  // namespace msgpack
 
 #endif /* msgpack/sbuffer.hpp */
-
diff --git a/include/msgpack/unpack.hpp b/include/msgpack/unpack.hpp
index 8dfe0973..28f1aea7 100644
--- a/include/msgpack/unpack.hpp
+++ b/include/msgpack/unpack.hpp
@@ -17,6 +17,8 @@
 //
 #ifndef MSGPACK_UNPACK_HPP
 #define MSGPACK_UNPACK_HPP
+
+#include "msgpack/versioning.hpp"
 #include "object.hpp"
 #include "zone.hpp"
 #include "unpack_define.h"
@@ -47,6 +49,8 @@
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
 typedef bool (*unpack_reference_func)(type::object_type, std::size_t, void*);
 
 namespace detail {
@@ -1456,6 +1460,8 @@ inline bool unpacker::default_reference_func(type::object_type /*type*/, std::si
     return true;
 }
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
+
 }  // namespace msgpack
 
 
diff --git a/include/msgpack/versioning.hpp b/include/msgpack/versioning.hpp
new file mode 100644
index 00000000..cb589ea3
--- /dev/null
+++ b/include/msgpack/versioning.hpp
@@ -0,0 +1,77 @@
+/*
+ * MessagePack for C++ version switcher
+ *
+ * Copyright (C) 2014 KONDO Takatoshi
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+#ifndef MSGPACK_VERSIONING_HPP
+#define MSGPACK_VERSIONING_HPP
+
+#if !defined(MSGPACK_DEFAULT_API_VERSION)
+#define MSGPACK_DEFAULT_API_VERSION 1
+#endif
+
+#define MSGPACK_DEFAULT_API_NS MSGPACK_PP_CAT(v, MSGPACK_DEFAULT_API_VERSION)
+
+#if   MSGPACK_DEFAULT_API_VERSION == 1
+#define MSGPACK_PP_ENABLE_NS_v1 ()
+//#elif MSGPACK_DEFAULT_API_VERSION == 2
+//#define MSGPACK_PP_ENABLE_NS_v2 ()
+#else
+#error
+#endif
+
+#define MSGPACK_PP_CAT(a, ...) MSGPACK_PP_PRIMITIVE_CAT(a, __VA_ARGS__)
+#define MSGPACK_PP_PRIMITIVE_CAT(a, ...) a ## __VA_ARGS__
+
+#define MSGPACK_PP_IIF(c) MSGPACK_PP_PRIMITIVE_CAT(MSGPACK_PP_IIF_, c)
+#define MSGPACK_PP_IIF_0(t, ...) __VA_ARGS__
+#define MSGPACK_PP_IIF_1(t, ...) t
+
+#define MSGPACK_PP_PROBE(x) x, 1
+
+#if defined(__MSC_VER)
+
+#define MSGPACK_PP_MSVC_VA_ARGS_WORKAROUND(define, args) define args
+#define MSGPACK_PP_CHECK(...) MSGPACK_PP_MSVC_VA_ARGS_WORKAROUND(MSGPACK_PP_CHECK_N, (__VA_ARGS__, 0))
+#define MSGPACK_PP_CHECK_N(x, n, ...) n
+
+#else  // defined(__MSC_VER)
+
+#define MSGPACK_PP_CHECK(...) MSGPACK_PP_CHECK_N(__VA_ARGS__, 0)
+#define MSGPACK_PP_CHECK_N(x, n, ...) n
+
+#endif // defined(__MSC_VER)
+
+
+#define MSGPACK_PP_NS_ENABLED_PROBE(ns)            MSGPACK_PP_NS_ENABLED_PROBE_PROXY( MSGPACK_PP_ENABLE_NS_##ns )
+#define MSGPACK_PP_NS_ENABLED_PROBE_PROXY(...)     MSGPACK_PP_NS_ENABLED_PROBE_PRIMIVIE(__VA_ARGS__)
+#define MSGPACK_PP_NS_ENABLED_PROBE_PRIMIVIE(x)    MSGPACK_PP_NS_ENABLED_PROBE_COMBINE_ x
+#define MSGPACK_PP_NS_ENABLED_PROBE_COMBINE_(...)  MSGPACK_PP_PROBE(~)
+
+#define MSGPACK_PP_IS_NS_ENABLED(ns) MSGPACK_PP_CHECK(MSGPACK_PP_NS_ENABLED_PROBE(ns))
+
+#if __cplusplus < 201103
+#define MSGPACK_API_VERSION_NAMESPACE(ns) MSGPACK_PP_IIF(MSGPACK_PP_IS_NS_ENABLED(ns)) \
+    (namespace ns{}; using namespace ns; namespace ns, \
+     namespace ns)
+
+#else  // __cplusplus < 201103
+
+#define MSGPACK_API_VERSION_NAMESPACE(ns) MSGPACK_PP_IIF(MSGPACK_PP_IS_NS_ENABLED(ns)) \
+    (inline namespace ns, namespace ns)
+
+#endif // __cplusplus < 201103
+
+#endif // MSGPACK_VERSIONING_HPP
diff --git a/include/msgpack/vrefbuffer.hpp b/include/msgpack/vrefbuffer.hpp
index 4ce6cb45..28cd31ca 100644
--- a/include/msgpack/vrefbuffer.hpp
+++ b/include/msgpack/vrefbuffer.hpp
@@ -18,6 +18,8 @@
 #ifndef MSGPACK_VREFBUFFER_HPP
 #define MSGPACK_VREFBUFFER_HPP
 
+#include "msgpack/versioning.hpp"
+
 #include <stdexcept>
 
 #ifndef MSGPACK_VREFBUFFER_REF_SIZE
@@ -39,6 +41,8 @@ struct iovec {
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
 namespace detail {
     // int64, uint64, double
     std::size_t const packer_max_buffer_size = 9;
@@ -274,6 +278,7 @@ private:
 
 };
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 
 }  // namespace msgpack
 
diff --git a/include/msgpack/zbuffer.hpp b/include/msgpack/zbuffer.hpp
index 6dd72341..43a9d77b 100644
--- a/include/msgpack/zbuffer.hpp
+++ b/include/msgpack/zbuffer.hpp
@@ -18,6 +18,8 @@
 #ifndef MSGPACK_ZBUFFER_HPP
 #define MSGPACK_ZBUFFER_HPP
 
+#include "msgpack/versioning.hpp"
+
 #include <stdexcept>
 #include <zlib.h>
 
@@ -31,6 +33,7 @@
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
 
 class zbuffer {
 public:
@@ -155,8 +158,8 @@ private:
     size_t m_init_size;
 };
 
+}  // MSGPACK_API_VERSION_NAMESPACE(v1)
 
 }  // namespace msgpack
 
 #endif /* msgpack/zbuffer.hpp */
-
diff --git a/include/msgpack_fwd.hpp b/include/msgpack_fwd.hpp
new file mode 100644
index 00000000..f42ae169
--- /dev/null
+++ b/include/msgpack_fwd.hpp
@@ -0,0 +1,27 @@
+/*
+ * MessagePack for C++ version switcher
+ *
+ * Copyright (C) 2014 KONDO Takatoshi
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+#ifndef MSGPACK_FWD_HPP
+#define MSGPACK_FWD_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/zone.hpp"
+#include "msgpack/object_fwd.hpp"
+#include "msgpack/adaptor/define.hpp"
+#include "msgpack/pack.hpp"
+
+#endif // MSGPACK_FWD_HPP
diff --git a/preprocess b/preprocess
index 5efab359..e25eff3f 100755
--- a/preprocess
+++ b/preprocess
@@ -13,5 +13,6 @@ preprocess() {
 }
 
 preprocess erb/cpp03_msgpack_tuple.hpp include/msgpack/adaptor/detail/cpp03_msgpack_tuple.hpp
+preprocess erb/cpp03_msgpack_tuple_fwd.hpp include/msgpack/adaptor/detail/cpp03_msgpack_tuple_fwd.hpp
 preprocess erb/cpp03_define.hpp include/msgpack/adaptor/detail/cpp03_define.hpp
 preprocess erb/cpp03_zone.hpp include/msgpack/detail/cpp03_zone.hpp
diff --git a/src/Makefile.am b/src/Makefile.am
index 039aeacd..2c1ba1d7 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -53,42 +53,70 @@ nobase_include_HEADERS = \
 if ENABLE_CXX
 nobase_include_HEADERS += \
 		../include/msgpack.hpp \
+		../include/msgpack_fwd.hpp \
 		../include/msgpack/adaptor/bool.hpp \
+		../include/msgpack/adaptor/bool_fwd.hpp \
 		../include/msgpack/adaptor/char_ptr.hpp \
+		../include/msgpack/adaptor/char_ptr_fwd.hpp \
 		../include/msgpack/adaptor/cpp11/array.hpp \
+		../include/msgpack/adaptor/cpp11/array_fwd.hpp \
 		../include/msgpack/adaptor/cpp11/array_char.hpp \
+		../include/msgpack/adaptor/cpp11/array_char_fwd.hpp \
 		../include/msgpack/adaptor/cpp11/forward_list.hpp \
+		../include/msgpack/adaptor/cpp11/forward_list_fwd.hpp \
 		../include/msgpack/adaptor/cpp11/tuple.hpp \
+		../include/msgpack/adaptor/cpp11/tuple_fwd.hpp \
 		../include/msgpack/adaptor/define.hpp \
 		../include/msgpack/adaptor/deque.hpp \
+		../include/msgpack/adaptor/deque_fwd.hpp \
 		../include/msgpack/adaptor/detail/cpp03_define.hpp \
 		../include/msgpack/adaptor/detail/cpp03_msgpack_tuple.hpp \
+		../include/msgpack/adaptor/detail/cpp03_msgpack_tuple_fwd.hpp \
 		../include/msgpack/adaptor/detail/cpp11_define.hpp \
 		../include/msgpack/adaptor/detail/cpp11_msgpack_tuple.hpp \
+		../include/msgpack/adaptor/detail/cpp11_msgpack_tuple_fwd.hpp \
 		../include/msgpack/adaptor/fixint.hpp \
+		../include/msgpack/adaptor/fixint_fwd.hpp \
 		../include/msgpack/adaptor/float.hpp \
+		../include/msgpack/adaptor/float_fwd.hpp \
 		../include/msgpack/adaptor/int.hpp \
+		../include/msgpack/adaptor/int_fwd.hpp \
 		../include/msgpack/adaptor/list.hpp \
+		../include/msgpack/adaptor/list_fwd.hpp \
 		../include/msgpack/adaptor/map.hpp \
+		../include/msgpack/adaptor/map_fwd.hpp \
 		../include/msgpack/adaptor/msgpack_tuple.hpp \
+		../include/msgpack/adaptor/msgpack_tuple_fwd.hpp \
 		../include/msgpack/adaptor/nil.hpp \
+		../include/msgpack/adaptor/nil_fwd.hpp \
 		../include/msgpack/adaptor/pair.hpp \
+		../include/msgpack/adaptor/pair_fwd.hpp \
 		../include/msgpack/adaptor/raw.hpp \
+		../include/msgpack/adaptor/raw_fwd.hpp \
 		../include/msgpack/adaptor/set.hpp \
+		../include/msgpack/adaptor/set_fwd.hpp \
 		../include/msgpack/adaptor/string.hpp \
+		../include/msgpack/adaptor/string_fwd.hpp \
 		../include/msgpack/adaptor/tr1/unordered_map.hpp \
+		../include/msgpack/adaptor/tr1/unordered_map_fwd.hpp \
 		../include/msgpack/adaptor/tr1/unordered_set.hpp \
+		../include/msgpack/adaptor/tr1/unordered_set_fwd.hpp \
 		../include/msgpack/adaptor/vector.hpp \
+		../include/msgpack/adaptor/vector_fwd.hpp \
+		../include/msgpack/adaptor/vector_char.hpp \
+		../include/msgpack/adaptor/vector_char_fwd.hpp \
 		../include/msgpack/cpp_config.hpp \
 		../include/msgpack/detail/cpp03_zone.hpp \
 		../include/msgpack/detail/cpp11_zone.hpp \
 		../include/msgpack/fbuffer.hpp \
 		../include/msgpack/object.hpp \
+		../include/msgpack/object_fwd.hpp \
 		../include/msgpack/pack.hpp \
 		../include/msgpack/sbuffer.hpp \
 		../include/msgpack/type.hpp \
 		../include/msgpack/unpack.hpp \
 		../include/msgpack/version.hpp \
+		../include/msgpack/versioning.hpp \
 		../include/msgpack/vrefbuffer.hpp \
 		../include/msgpack/zbuffer.hpp \
 		../include/msgpack/zone.hpp