https://github.com/apache/airflow/blob/main/airflow/dag_processing/manager.py#L773
os.environ["CONFIG_PROCESSOR_MANAGER_LOGGER"] = "True"
        os.environ["AIRFLOW__LOGGING__COLORED_CONSOLE_LOG"] = "False"
        
        
        
        
        
        
        
        
        
        
        importlib.reload(import_module(airflow.settings.LOGGING_CLASS_PATH.rsplit(".", 1)[0]))  
        importlib.reload(airflow.settings)
        airflow.settings.initialize()
        del os.environ["CONFIG_PROCESSOR_MANAGER_LOGGER"]
        processor_manager = DagFileProcessorManager(
            dag_directory=dag_directory,
            max_runs=max_runs,
            processor_timeout=processor_timeout,
            dag_ids=dag_ids,
            pickle_dags=pickle_dags,
            signal_conn=signal_conn,
            async_mode=async_mode,
        )
        processor_manager.start()
    def heartbeat(self) -> None: