void shift (framepos_t at, frameoffset_t distance, bool move_intersected, bool ignore_music_glue);
void partition (framepos_t start, framepos_t end, bool cut = false);
void duplicate (boost::shared_ptr<Region>, framepos_t position, float times);
+ void duplicate (boost::shared_ptr<Region>, framepos_t position, framecnt_t gap, float times);
void nudge_after (framepos_t start, framecnt_t distance, bool forwards);
boost::shared_ptr<Region> combine (const RegionList&);
void uncombine (boost::shared_ptr<Region>);