如何使用动态密钥为json创建POJO类以进行改造？

{
  "batchcomplete": "",
  "warnings": {
    "main": {
      "*": "Unrecognized parameter: rvprop."
    },
    "extracts": {
      "*": "\"exlimit\" was too large for a whole article extracts request, lowered to 1."
    }
  },
  "query": {
    "normalized": [
      {
        "from": "pune",
        "to": "Pune"
      }
    ],
    "pages": {
      "164634": {
        "pageid": 164634,
        "ns": 0,
        "title": "Pune",
        "extract": ""
                }
            }
      }
}
{
  "batchcomplete": "",
  "warnings": {
    "m