{ "additional_special_tokens": null, "cls_token": "[CLS]", "cls_token_box": [ 0, 0, 0, 0 ], "do_basic_tokenize": true, "do_lower_case": true, "mask_token": "[MASK]", "model_max_length": 512, "never_split": null, "only_label_first_subword": true, "pad_token": "[PAD]", "pad_token_box": [ 0, 0, 0, 0 ], "pad_token_label": -100, "sep_token": "[SEP]", "sep_token_box": [ 1000, 1000, 1000, 1000 ], "special_tokens_map_file": null, "strip_accents": null, "tokenize_chinese_chars": true, "tokenizer_class": "LayoutLMv2Tokenizer", "unk_token": "[UNK]" }