+void _gtk_menu_item_refresh_accel_path (GtkMenuItem *menu_item,
+ const gchar *prefix,
+ GtkAccelGroup *accel_group,
+ gboolean group_changed);
+gboolean _gtk_menu_item_is_selectable (GtkWidget *menu_item);
+void _gtk_menu_item_popup_submenu (GtkWidget *menu_item,
+ gboolean with_delay);
+void _gtk_menu_item_popdown_submenu (GtkWidget *menu_item);