{
  "mapping": {
    "source": {
      "value": {
        "items": [
          7,
          {
            "callable_result": 7
          }
        ]
      }
    },
    "generated": {
      "value": {
        "items": [
          7,
          {
            "callable_result": 7
          }
        ]
      }
    }
  },
  "none": {
    "source": "rejected",
    "generated": "rejected"
  }
}