def METHOD_NAME(self, parser):
    parser.add_argument(
        "--backend",
        action="store",
        dest="backend_name",
        default=None,
        help="Specify a backend to update",
    )
    parser.add_argument(
        "--schema-only",
        action="store_true",
        dest="schema_only",
        default=False,
        help="Prevents loading any data into the index",
    )
    parser.add_argument(
        "--chunk_size",
        action="store",
        dest="chunk_size",
        default=DEFAULT_CHUNK_SIZE,
        type=int,
        help="Set number of records to be fetched at once for inserting into the index",
    )