boost::shared_ptr<Region> bounce_range (framepos_t start, framepos_t end, InterThreadInfo&,
boost::shared_ptr<Processor> endpoint, bool include_endpoint);
int export_stuff (BufferSet& bufs, framepos_t start_frame, framecnt_t nframes,
boost::shared_ptr<Region> bounce_range (framepos_t start, framepos_t end, InterThreadInfo&,
boost::shared_ptr<Processor> endpoint, bool include_endpoint);
int export_stuff (BufferSet& bufs, framepos_t start_frame, framecnt_t nframes,