special_tokens_map.json

{
  "additional_special_tokens": [
    "en_XX",
    "ru_RU"
  ],
  "bos_token": "<s>",
  "cls_token": "<s>",
  "eos_token": "</s>",
  "mask_token": "<mask>",
  "pad_token": "<pad>",
  "sep_token": "</s>",
  "unk_token": "<unk>"
}