config.json

{
  "model_type": "gpt2",
  "vocab_size": 52000,
  "min_frequency": 2,
  "special_tokens": [
    "<s>",
    "<pad>",
    "</s>",
    "<unk>",
    "<mask>",
    "<code>",
    "</code>",
    "<error_message>",
    "</error_message>",
    "<description>",
    "</description>"
  ]
}