def METHOD_NAME(cls):
    """
    :return:
    :rtype:
    """
    return [("name", dtype(object)),
            ("from_junction", "u4"),
            ("to_junction", "u4"),
            ("diameter_m", "f8"),
            ("qext_w", 'f8'),
            ("loss_coefficient", "f8"),
            ("in_service", 'bool'),
            ("type", dtype(object))]