src/transformers/models/deberta_v2/tokenization_deberta_v2.py/DebertaV2Tokenizer/save_vocabulary
class DebertaV2Tokenizer:    def save_vocabulary(self, save_directory: str, filename_prefix: Optional[str] = None) -> Tuple[str]:
        return self._tokenizer.save_pretrained(save_directory, filename_prefix=filename_prefix)