def add_args(parser):
        """Add model-specific arguments to the parser."""
        TransformerModel.add_args(parser)
        parser.add_argument('--share-encoder-embeddings', action='store_true',
                            help='share encoder embeddings across languages')
        parser.add_argument('--share-decoder-embeddings', action='store_true',
                            help='share decoder embeddings across languages')
        parser.add_argument('--share-encoders', action='store_true',
                            help='share encoders across languages')
        parser.add_argument('--share-decoders', action='store_true',
                            help='share decoders across languages')
Add model-specific arguments to the parser.
infoxlm/fairseq/fairseq/models/multilingual_transformer.py