head_config.json

{
  "config": {
    "activation_function": "tanh",
    "head_type": "question_answering",
    "label2id": {
      "LABEL_0": 0,
      "LABEL_1": 1
    },
    "layers": 1,
    "num_labels": 2
  },
  "hidden_size": 768,
  "model_class": "XLMRobertaAdapterModel",
  "model_name": "xlm-roberta-base",
  "model_type": "xlm-roberta",
  "name": "mad-x+domain qa_head",
  "version": "3.2.1"
}