Gtk::TreeModelColumn<uint32_t> solo_isolate_state;
Gtk::TreeModelColumn<uint32_t> solo_safe_state;
Gtk::TreeModelColumn<bool> is_track;
Gtk::TreeModelColumn<TimeAxisView*> tv;
Gtk::TreeModelColumn<boost::shared_ptr<ARDOUR::Route> > route;
Gtk::TreeModelColumn<bool> name_editable;
Gtk::TreeModelColumn<uint32_t> solo_isolate_state;
Gtk::TreeModelColumn<uint32_t> solo_safe_state;
Gtk::TreeModelColumn<bool> is_track;
Gtk::TreeModelColumn<TimeAxisView*> tv;
Gtk::TreeModelColumn<boost::shared_ptr<ARDOUR::Route> > route;
Gtk::TreeModelColumn<bool> name_editable;