from airflow.dag_processing.manager import DagFileProcessorManager
    from airflow.dag_processing.processor import DagFileProcessor
    from airflow.models import Trigger, Variable, XCom
    from airflow.models.dag import DAG, DagModel
    from airflow.models.dagrun import DagRun
    from airflow.models.dagwarning import DagWarning
    from airflow.models.serialized_dag import SerializedDagModel
    from airflow.models.taskinstance import TaskInstance
    from airflow.secrets.metastore import MetastoreBackend
    functions: list[Callable] = [
        DagFileProcessor.update_import_errors,
        DagFileProcessor.manage_slas,
        DagFileProcessorManager.deactivate_stale_dags,
        DagModel.deactivate_deleted_dags,
        DagModel.get_paused_dag_ids,
        DagModel.get_current,
        DagFileProcessorManager.clear_nonexistent_import_errors,
        DagWarning.purge_inactive_dag_warnings,
        Job._add_to_db,
        Job._fetch_from_db,
        Job._kill,
        Job._update_heartbeat,
        Job._update_in_db,
        most_recent_job,
        MetastoreBackend._fetch_connection,
        MetastoreBackend._fetch_variable,
        XCom.get_value,