special_tokens_map.json

{
  "bos_token": "<|bos|>",
  "eos_token": "<|eos|>",
  "mask_token": {
    "content": "<|mask|>",
    "lstrip": true,
    "normalized": false,
    "rstrip": true,
    "single_word": false
  },
  "pad_token": "<|pad|>",
  "unk_token": "<|unk|>"
}