src/transformers/data/processors/squad.py/SquadFeatures/__init__
class SquadFeatures:    def __init__(
        self,
        input_ids,
        attention_mask,
        token_type_ids,
        cls_index,
        p_mask,
        example_index,
        unique_id,
        paragraph_len,
        token_is_max_context,
        tokens,
        token_to_orig_map,
        start_position,
        end_position,
        is_impossible,
        qas_id: str = None,
        encoding: BatchEncoding = None,
    ):
        self.input_ids = input_ids
        self.attention_mask = attention_mask
        self.token_type_ids = token_type_ids
        self.cls_index = cls_index
        self.p_mask = p_mask

        self.example_index = example_index
        self.unique_id = unique_id
        self.paragraph_len = paragraph_len
        self.token_is_max_context = token_is_max_context
        self.tokens = tokens
        self.token_to_orig_map = token_to_orig_map

        self.start_position = start_position
        self.end_position = end_position
        self.is_impossible = is_impossible
        self.qas_id = qas_id

        self.encoding = encoding