code: func (v *SimpleActionGroup) native() *C.GSimpleActionGroup {
  	if v == nil || v.GObject == nil {
  		return nil
  	}
  	return C.toGSimpleActionGroup(unsafe.Pointer(v.GObject))
  }
docs: // deprecated since 2.38:
  // g_simple_action_group_lookup()
  // g_simple_action_group_insert()
  // g_simple_action_group_remove()
  // g_simple_action_group_add_entries()
  // -> See implementations in ActionMap
  // native() returns a pointer to the underlying GSimpleActionGroup.