async def METHOD_NAME(self) -> None:
    async with self._shutdown_lock:
        if not self.is_running:
            _LOGGER.debug("Webhook Server is already shut down. Returning")
            return
        self.is_running = False
        self._http_server.stop()
        await self._http_server.close_all_connections()
        _LOGGER.debug("Webhook Server stopped")