#include <boost/asio/detail/scoped_ptr.hpp>
#include <boost/asio/detail/thread.hpp>
+#include <boost/asio/detail/push_options.hpp>
+
namespace boost {
namespace asio {
namespace detail {
} // namespace asio
} // namespace boost
+#include <boost/asio/detail/pop_options.hpp>
+
#endif // BOOST_ASIO_DETAIL_THREAD_GROUP_HPP