def METHOD_NAME() -> Optional[dict]:
    """Return the MonitorService config file data, or None.
    Returns
    -------
    Optional[dict]
        The parsed config file data or None if no config.
    """
    # We shouldn't even call into this file unless NAPARI_MON is defined
    # but check to be sure.
    value = os.getenv("NAPARI_MON")
    if value in [None, "0"]:
        return None
    return _load_config(value)