https://github.com/apache/airflow/pull/12139 added some new params to the scheduler -- we have "cursory" docs for them in the comments in the config file, but we should have a more details docs in the scheduler.rst page.
airflow/jobs/scheduler_job.py
self,
        file_path: str,
        pickle_dags: bool,
        dag_ids: Optional[List[str]],
        callback_requests: List[CallbackRequest],
    ):
        super().__init__()
        self._file_path = file_path
        self._pickle_dags = pickle_dags
        self._dag_ids = dag_ids
        self._callback_requests = callback_requests
        
        self._process: Optional[multiprocessing.process.BaseProcess] = None
        
        self._result: Optional[Tuple[int, int]] = None
        
        self._done = False
        
        self._start_time: Optional[datetime.datetime] = None
        
        
        self._instance_id = DagFileProcessorProcess.class_creation_counter
        self._parent_channel: Optional[MultiprocessingConnection] = None
        DagFileProcessorProcess.class_creation_counter += 1
    @property
    def file_path(self) -> str: