    def add_args(parser):
        """Add task-specific arguments to the parser."""
        parser.add_argument("data", help="path to data directory")
        parser.add_argument(
            "--silence-token", default="\u2581", help="token for silence (used by w2l)"
        )
        parser.add_argument(
            "--max-source-positions",
            default=sys.maxsize,
            type=int,
            metavar="N",
            help="max number of frames in the source sequence",
        )
        parser.add_argument(
            "--max-target-positions",
            default=1024,
            type=int,
            metavar="N",
            help="max number of tokens in the target sequence",
        )
Add task-specific arguments to the parser.
examples/speech_recognition/tasks/speech_recognition.py