void get_inverted_selectables (Selection&, std::list<Selectable*>& results);
void show_timestretch (framepos_t /*start*/, framepos_t /*end*/, int /*layers*/, int /*layer*/) {}
void get_inverted_selectables (Selection&, std::list<Selectable*>& results);
void show_timestretch (framepos_t /*start*/, framepos_t /*end*/, int /*layers*/, int /*layer*/) {}