    def src_bpe_tokenizer(self) -> Dict:
        """Subword tokenizer to apply on source text after pre-tokenization.
        Returning a dictionary with `bpe` providing the tokenizer name and
        the other items providing the tokenizer-specific arguments.
        Tokenizers are defined in `fairseq.data.encoders.*`"""
        return self.config.get("src_bpe_tokenizer", {"bpe": None})
Subword tokenizer to apply on source text after pre-tokenization.
Returning a dictionary with `bpe` providing the tokenizer name and
the other items providing the tokenizer-specific arguments.
Tokenizers are defined in `fairseq.data.encoders.*`
fairseq/data/audio/speech_to_text_joint_dataset.py