void route_removed_from_route_group (ARDOUR::RouteGroup *, boost::weak_ptr<ARDOUR::Route>);
void assign_group_to_master (uint32_t which, ARDOUR::RouteGroup*, bool rename_master) const;
void route_removed_from_route_group (ARDOUR::RouteGroup *, boost::weak_ptr<ARDOUR::Route>);
void assign_group_to_master (uint32_t which, ARDOUR::RouteGroup*, bool rename_master) const;