{ "tokenizer_class": "BigBirdTokenizerFast", "model_max_length": 4096, "unk_token": "[UNK]", "pad_token": "[PAD]", "bos_token": "[CLS]", "eos_token": "[SEP]", "mask_token": "[MASK]", "cls_token": "[CLS]", "sep_token": "[SEP]" }