def METHOD_NAME(self) -> None:
    self.__menuitems: Dict[Tuple[int, int], MenuItem] = {}
    self._add_dbus_signal("MenuChanged", "aa{sv}")
    self._add_dbus_method("GetMenu", (), "aa{sv}", self._get_menu)
    self._add_dbus_method("ActivateMenuItem", ("ai",), "", self._activate_menu_item)