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diff --git a/boost_ext/boost/bimap/detail/manage_additional_parameters.hpp b/boost_ext/boost/bimap/detail/manage_additional_parameters.hpp
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+++ b/boost_ext/boost/bimap/detail/manage_additional_parameters.hpp
@@ -0,0 +1,243 @@
+// Boost.Bimap
+//
+// Copyright (c) 2006-2007 Matias Capeletto
+//
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+/// \file detail/manage_additional_parameters.hpp
+/// \brief Utility class to extract the additional parameters from the template parameters.
+
+#ifndef BOOST_BIMAP_DETAIL_MANAGE_ADDITIONAL_PARAMETERS_HPP
+#define BOOST_BIMAP_DETAIL_MANAGE_ADDITIONAL_PARAMETERS_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER>=1200)
+#pragma once
+#endif
+
+#include <boost/config.hpp>
+
+#include <memory>
+
+// Boost.MPL
+#include <boost/mpl/bool.hpp>
+#include <boost/mpl/if.hpp>
+#include <boost/mpl/aux_/na.hpp>
+#include <boost/type_traits/is_same.hpp>
+
+#include <boost/bimap/detail/is_set_type_of.hpp>
+
+namespace boost {
+namespace bimaps {
+
+template< class Type >
+struct with_info
+{
+    typedef Type value_type;
+};
+
+namespace detail {
+
+/// \brief Metafunction to check if a given type is a data_hook specification.
+
+template< class Type >
+struct is_with_info : ::boost::mpl::false_ {};
+
+template< class ValueType >
+struct is_with_info< with_info<ValueType> > : ::boost::mpl::true_ {};
+
+/** \struct boost::bimaps::detail::manage_additional_parameters
+\brief Utility class to extract the additional parameters from the template parameters.
+
+\code
+template< class AP1, class AP2, class AP3 >
+struct manage_additional_parameters
+{
+    struct parameters
+    {
+        typedef -unspecified- set_type_of_relation;
+        typedef -unspecified- data_hook;
+        typedef -unspecified- allocator;
+    };
+
+    typedef parameters type;
+};
+\endcode
+
+See also bimap, bimap_core.
+                                                                                **/
+
+#ifndef BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES
+
+template< class AP1, class AP2, class AP3 >
+struct manage_additional_parameters
+{
+    // (1) manage_additional_parameters<
+    //         not_specified,not_specified,not_specified>
+    //
+    //     set_type_of_relation: based on the left key type
+    //     info_hook:            no additional info
+    //     allocator:            default allocator
+
+    struct case_NNN
+    {
+        typedef left_based set_type_of_relation;
+        typedef std::allocator<void> allocator;
+        typedef ::boost::mpl::na additional_info;
+    };
+
+    // (2) manage_additional_parameters<Allocator,not_specified,not_specified>
+    //
+    //     set_type_of_relation: based on the left key type
+    //     info_hook:            no additional info
+    //     allocator:            Allocator
+
+    struct case_ANN
+    {
+        typedef left_based set_type_of_relation;
+        typedef AP1 allocator;
+        typedef ::boost::mpl::na additional_info;
+    };
+
+    // (3) manage_additional_parameters<
+    //         SetOfRelationType,not_specified,not_specified>
+    //
+    //     set_type_of_relation: SetTypeOfRelation
+    //     info_hook:            no additional info
+    //     allocator:            default allocator
+
+    struct case_SNN
+    {
+        typedef AP1 set_type_of_relation;
+        typedef std::allocator<void> allocator;
+        typedef ::boost::mpl::na additional_info;
+    };
+
+    // (4) manage_additional_parameters<
+    //          SetTypeOfRelation,Allocator,not_specified>
+    //
+    //     set_type_of_relation: SetTypeOfRelation
+    //     info_hook:            no additional info
+    //     allocator:            Allocator
+
+    struct case_SAN
+    {
+        typedef AP1 set_type_of_relation;
+        typedef AP2 allocator;
+        typedef ::boost::mpl::na additional_info;
+    };
+
+    // (5) manage_additional_parameters<InfoToHook,not_specified,not_specified>
+    //
+    //     set_type_of_relation: based on the left key type
+    //     info_hook:            InfoToHook
+    //     allocator:            default allocator
+
+    struct case_HNN
+    {
+        typedef left_based set_type_of_relation;
+        typedef std::allocator<void> allocator;
+        typedef BOOST_DEDUCED_TYPENAME AP1::value_type additional_info;
+    };
+
+    // (6) manage_additional_parameters<
+    //         SetTypeOfRelation,InfoToHook,not_specified>
+    //
+    //     set_type_of_relation: SetTypeOfRelation
+    //     info_hook:            InfoToHook
+    //     allocator:            default allocator
+
+    struct case_SHN
+    {
+        typedef AP1 set_type_of_relation;
+        typedef std::allocator<void> allocator;
+        typedef BOOST_DEDUCED_TYPENAME AP2::value_type additional_info;
+    };
+
+    // (7) manage_additional_parameters<
+    //         DataToHook,Allocator,not_specified>
+    //
+    //     set_type_of_relation: SetTypeOfRelation
+    //     info_hook:            InfoToHook
+    //     allocator:            default allocator
+
+    struct case_HAN
+    {
+        typedef left_based set_type_of_relation;
+        typedef AP2 allocator;
+        typedef BOOST_DEDUCED_TYPENAME AP1::value_type additional_info;
+    };
+
+    // (8) manage_additional_parameters<
+    //         SetTypeOfRelation,DataToHook,Allocator>
+    //
+    //     set_type_of_relation: SetTypeOfRelation
+    //     info_hook:            InfoToHook
+    //     allocator:            Allocator
+
+    struct case_SHA
+    {
+        typedef AP1 set_type_of_relation;
+        typedef AP2 allocator;
+        typedef BOOST_DEDUCED_TYPENAME AP2::value_type additional_info;
+    };
+
+    // Some annidated mpl::if_ and we are done!
+
+    typedef BOOST_DEDUCED_TYPENAME mpl::if_
+    <
+        ::boost::mpl::is_na<AP1>,
+        case_NNN, // (1)
+        BOOST_DEDUCED_TYPENAME mpl::if_
+        <
+            ::boost::mpl::is_na<AP2>,
+            BOOST_DEDUCED_TYPENAME mpl::if_
+            <
+                is_set_type_of_relation<AP1>,
+                case_SNN, // (3)
+                BOOST_DEDUCED_TYPENAME mpl::if_
+                <
+                    is_with_info<AP1>,
+                    case_HNN, // (5)
+                    case_ANN  // (2)
+
+                >::type
+
+            >::type,
+            BOOST_DEDUCED_TYPENAME mpl::if_
+            <
+                ::boost::mpl::is_na<AP3>,
+                BOOST_DEDUCED_TYPENAME mpl::if_
+                <
+                    is_with_info<AP1>,
+                    case_HAN, // (7)
+                    BOOST_DEDUCED_TYPENAME mpl::if_
+                    <
+                        is_with_info<AP2>,
+                        case_SHN, // (6)
+                        case_SAN  // (4)
+
+                    >::type
+
+                >::type,
+
+                case_SHA // (8)
+
+            >::type
+
+        >::type
+
+    >::type type;
+
+};
+
+#endif // BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES
+
+} // namespace detail
+} // namespace bimaps
+} // namespace boost
+
+
+#endif // BOOST_BIMAP_DETAIL_MANAGE_ADDITIONAL_PARAMETERS_HPP
+