#ifndef  BOOST_SERIALIZATION_VOID_CAST_FWD_HPP

 #define BOOST_SERIALIZATION_VOID_CAST_FWD_HPP

 // MS compatible compilers support #pragma once

 #if defined(_MSC_VER) && (_MSC_VER >= 1020)

 # pragma once

 #endif

 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8

 // void_cast_fwd.hpp:   interface for run-time casting of void pointers.

 // (C) Copyright 2005 Robert Ramey - http://www.rrsd.com . 

 // Use, modification and distribution is 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)

 // gennadiy.rozental@tfn.com

 //  See http://www.boost.org for updates, documentation, and revision history.

 #include <boost/serialization/force_include.hpp>

 #include <boost/detail/workaround.hpp>

 namespace boost {

 namespace serialization {

 namespace void_cast_detail{

 class void_caster;

 } // namespace void_cast_detail

 template<class Derived, class Base>

 BOOST_DLLEXPORT 

 // DMC doesn't allow export and inline, so supress the inline

 #if BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x849)) 

 #else

 inline 

 #endif

 const void_cast_detail::void_caster & void_cast_register(

     const Derived * dnull = NULL, 

     const Base * bnull = NULL

 ) BOOST_USED;

 } // namespace serialization

 } // namespace boost

 #endif // BOOST_SERIALIZATION_VOID_CAST_HPP