{ "added_tokens_decoder": { "0": { "content": "[CLS]", "lstrip": false, "normalized": false, "rstrip": false, "single_word": false, "special": true }, "1": { "content": "[PAD]", "lstrip": false, "normalized": false, "rstrip": false, "single_word": false, "special": true }, "2": { "content": "[SEP]", "lstrip": false, "normalized": false, "rstrip": false, "single_word": false, "special": true }, "3": { "content": "[UNK]", "lstrip": false, "normalized": false, "rstrip": false, "single_word": false, "special": true }, "4": { "content": "[MASK]", "lstrip": false, "normalized": false, "rstrip": false, "single_word": false, "special": true } }, "clean_up_tokenization_spaces": true, "cls_token": "[CLS]", "do_basic_tokenize": true, "do_lower_case": false, "mask_token": "[MASK]", "max_length": 510, "model_max_length": 512, "never_split": [ "[CLS]", "[PAD]", "[SEP]", "[UNK]", "[MASK]" ], "pad_token": "[PAD]", "sep_token": "[SEP]", "stride": 0, "strip_accents": false, "tokenize_chinese_chars": true, "tokenizer_class": "BertTokenizerFast", "truncation_side": "right", "truncation_strategy": "longest_first", "unk_token": "[UNK]" }