text: // Copyright Cromwell D. Enage 2017.
  // 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 BOOST_PARAMETER_KEYWORD_FWD_HPP
  #define BOOST_PARAMETER_KEYWORD_FWD_HPP
  
  namespace boost { namespace parameter {
  
      struct in_reference;
      struct out_reference;
      typedef ::boost::parameter::out_reference in_out_reference;
      struct forward_reference;
      struct consume_reference;
      typedef ::boost::parameter::consume_reference move_from_reference;
  
      template <typename Tag>
      struct keyword;
  }} // namespace boost::parameter
  
  #endif  // include guard
  
  