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diff --git a/boost/test/utils/runtime/modifier.hpp b/boost/test/utils/runtime/modifier.hpp
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+++ b/boost/test/utils/runtime/modifier.hpp
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+//  (C) Copyright Gennadiy Rozental 2001.
+//  Use, modification, and distribution are subject to 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)
+
+//  See http://www.boost.org/libs/test for the library home page.
+//
+//  File        : $RCSfile$
+//
+//  Version     : $Revision$
+//
+//  Description : parameter modifiers
+// ***************************************************************************
+
+#ifndef BOOST_TEST_UTILS_RUNTIME_MODIFIER_HPP
+#define BOOST_TEST_UTILS_RUNTIME_MODIFIER_HPP
+
+// Boost.Test Runtime parameters
+#include <boost/test/utils/runtime/fwd.hpp>
+
+// Boost.Test
+#include <boost/test/utils/named_params.hpp>
+
+#include <boost/test/detail/suppress_warnings.hpp>
+
+namespace boost {
+namespace runtime {
+
+// ************************************************************************** //
+// **************         environment variable modifiers       ************** //
+// ************************************************************************** //
+
+namespace {
+
+#if !defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) && !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
+#define BOOST_TEST_CLA_NEW_API
+#endif
+
+#ifdef BOOST_TEST_CLA_NEW_API
+auto const& description     = unit_test::static_constant<nfp::typed_keyword<cstring,struct description_t>>::value;
+auto const& help            = unit_test::static_constant<nfp::typed_keyword<cstring,struct help_t>>::value;
+auto const& env_var         = unit_test::static_constant<nfp::typed_keyword<cstring,struct env_var_t>>::value;
+auto const& end_of_params   = unit_test::static_constant<nfp::typed_keyword<cstring,struct end_of_params_t>>::value;
+auto const& negation_prefix = unit_test::static_constant<nfp::typed_keyword<cstring,struct neg_prefix_t>>::value;
+auto const& value_hint      = unit_test::static_constant<nfp::typed_keyword<cstring,struct value_hint_t>>::value;
+auto const& optional_value  = unit_test::static_constant<nfp::keyword<struct optional_value_t>>::value;
+auto const& default_value   = unit_test::static_constant<nfp::keyword<struct default_value_t>>::value;
+auto const& callback        = unit_test::static_constant<nfp::keyword<struct callback_t>>::value;
+
+template<typename EnumType>
+using enum_values = unit_test::static_constant<
+  nfp::typed_keyword<std::initializer_list<std::pair<const cstring,EnumType>>, struct enum_values_t>
+>;
+
+#else
+
+nfp::typed_keyword<cstring,struct description_t> description;
+nfp::typed_keyword<cstring,struct help_t> help;
+nfp::typed_keyword<cstring,struct env_var_t> env_var;
+nfp::typed_keyword<cstring,struct end_of_params_t> end_of_params;
+nfp::typed_keyword<cstring,struct neg_prefix_t> negation_prefix;
+nfp::typed_keyword<cstring,struct value_hint_t> value_hint;
+nfp::keyword<struct optional_value_t> optional_value;
+nfp::keyword<struct default_value_t> default_value;
+nfp::keyword<struct callback_t> callback;
+
+template<typename EnumType>
+struct enum_values_list {
+    typedef std::pair<cstring,EnumType> ElemT;
+    typedef std::vector<ElemT> ValuesT;
+
+    enum_values_list const&
+    operator()( cstring k, EnumType v ) const
+    {
+        const_cast<enum_values_list*>(this)->m_values.push_back( ElemT( k, v ) );
+
+        return *this;
+    }
+
+    operator ValuesT const&() const { return m_values; }
+
+private:
+    ValuesT m_values;
+};
+
+template<typename EnumType>
+struct enum_values : unit_test::static_constant<
+  nfp::typed_keyword<enum_values_list<EnumType>, struct enum_values_t> >
+{
+};
+
+#endif
+
+} // local namespace
+
+} // namespace runtime
+} // namespace boost
+
+#include <boost/test/detail/enable_warnings.hpp>
+
+#endif // BOOST_TEST_UTILS_RUNTIME_MODIFIER_HPP