"""Serializable representation of the DagModel ORM SqlAlchemyModel used by internal API."""
    dag_id: str
    root_dag_id: Optional[str]
    is_paused_at_creation: bool = airflow_conf.getboolean("core", "dags_are_paused_at_creation")
    is_paused: bool = is_paused_at_creation
    is_subdag: Optional[bool] = False
    is_active: Optional[bool] = False
    last_parsed_time: Optional[datetime]
    last_pickled: Optional[datetime]
    last_expired: Optional[datetime]
    scheduler_lock: Optional[bool]
    pickle_id: Optional[int]
    fileloc: str
    processor_subdir: Optional[str]
    owners: Optional[str]
    description: Optional[str]
    default_view: Optional[str]
    schedule_interval: Optional[str]
    timetable_description: Optional[str]
    tags: List[DagTagPydantic]  
    dag_owner_links: List[DagOwnerAttributesPydantic]  
    max_active_tasks: int
    max_active_runs: Optional[int]
    has_task_concurrency_limits: bool
    has_import_errors: Optional[bool] = False
    class Config: