def add_args(parser):
        """Add model-specific arguments to the parser."""
        TransformerModel.add_args(parser)
        parser.add_argument(
            "--decoder-lang-embed-dim",
            type=int,
            metavar="N",
            help="decoder language embedding dimension",
        )
Add model-specific arguments to the parser.
structured_prompting/fairseq-version/fairseq/examples/laser/laser_src/laser_transformer.py