static std::vector<Glib::RefPtr<Gtk::Action> > session_sensitive_actions;
static std::vector<Glib::RefPtr<Gtk::Action> > region_list_selection_sensitive_actions;
static std::vector<Glib::RefPtr<Gtk::Action> > region_selection_sensitive_actions;
static std::vector<Glib::RefPtr<Gtk::Action> > track_selection_sensitive_actions;
static std::vector<Glib::RefPtr<Gtk::Action> > plugin_selection_sensitive_actions;
static std::vector<Glib::RefPtr<Gtk::Action> > range_sensitive_actions;
static std::vector<Glib::RefPtr<Gtk::Action> > session_sensitive_actions;
static std::vector<Glib::RefPtr<Gtk::Action> > region_list_selection_sensitive_actions;
static std::vector<Glib::RefPtr<Gtk::Action> > region_selection_sensitive_actions;
static std::vector<Glib::RefPtr<Gtk::Action> > track_selection_sensitive_actions;
static std::vector<Glib::RefPtr<Gtk::Action> > plugin_selection_sensitive_actions;
static std::vector<Glib::RefPtr<Gtk::Action> > range_sensitive_actions;