src/transformers/tokenization_utils_base.py/BatchEncoding/encodings
class BatchEncoding:    def encodings(self) -> Optional[List[EncodingFast]]:
        """
        :obj:`Optional[List[tokenizers.Encoding]]`: The list all encodings from the tokenization process. Returns
        :obj:`None` if the input was tokenized through Python (i.e., not a fast) tokenizer.
        """
        return self._encodings