async def METHOD_NAME(self) -> None:
    with log_context(
        logger, logging.INFO, f"{LoggingEventHandlerObserver.__name__} start"
    ):
        self._keep_running = True
        self._task_health_worker = create_task(
            self._health_worker(), name="observer_monitor_health_worker"
        )
        self._start_observer_process()