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// Copyright David Abrahams 2009. 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)
#ifndef NDNBOOST_CONCEPT_BACKWARD_COMPATIBILITY_NDNBOOST_DWA200968_HPP
# define NDNBOOST_CONCEPT_BACKWARD_COMPATIBILITY_NDNBOOST_DWA200968_HPP
namespace ndnboost
{
namespace concepts {}
# if defined(NDNBOOST_HAS_CONCEPTS) && !defined(NDNBOOST_CONCEPT_NO_BACKWARD_KEYWORD)
namespace concept = concepts;
# endif
} // namespace ndnboost::concept
#endif // NDNBOOST_CONCEPT_BACKWARD_COMPATIBILITY_NDNBOOST_DWA200968_HPP