src/transformers/models/wav2vec2/tokenization_wav2vec2.py/Wav2Vec2Tokenizer/word_delimiter_token_id
class Wav2Vec2Tokenizer:    def word_delimiter_token_id(self) -> Optional[int]:
        """
        `Optional[int]`: Id of the word_delimiter_token in the vocabulary. Returns `None` if the token has not been
        set.
        """
        if self._word_delimiter_token is None:
            return None
        return self.convert_tokens_to_ids(self.word_delimiter_token)