//  Copyright (c) 2003 Institute of Transport, //             Railway Construction and Operation, //             University of Hanover, Germany////  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)#ifdef _WIN32#ifdef LIBX_SOURCE__declspec(dllexport)#else__declspec(dllimport)#endif#endifclass TestLibX{public:    TestLibX();        // Needed to suppress 'unused variable' warning    // in some cases.    void do_something() {}};