def METHOD_NAME(self, parser):
    parser.add_argument("import_types", nargs="*", choices=self.importer_types)
    parser.add_argument(
        "--cached",
        action="store_true",
        dest="cached",
        default=False,
        help="cache HTTP requests",
    )
    parser.add_argument(
        "--single",
        action="store",
        dest="id",
        default=None,
        help="import only single entity",
    )