def METHOD_NAME(self, file_path: str) -> LoadJob:
    """Returns a completed SqlLoadJob or InsertValuesJob
    Returns completed jobs as SqlLoadJob and InsertValuesJob executed atomically in start_file_load so any jobs that should be recreated are already completed.
    Obviously the case of asking for jobs that were never created will not be handled. With correctly implemented loader that cannot happen.
    Args:
        file_path (str): a path to a job file
    Returns:
        LoadJob: Always a restored job completed
    """
    job = super().METHOD_NAME(file_path)
    if not job:
        job = EmptyLoadJob.from_file_path(file_path, "completed")
    return job