def METHOD_NAME(parser):
    # fmt: off
    parser.add_argument('--src-file', type=str, required=True,
                        help='Source input file')
    parser.add_argument('--tgt-file', type=str, required=True,
                        help='Target reference file')
    parser.add_argument('--tokenizer', default="13a", choices=["none", "13a"],
                        help='Tokenizer used for sacrebleu')
    parser.add_argument('--output', type=str, default=None,
                        help='Path for output directory')
    # fmt: on