{
  "__schema": {
    "types": [
      {
        "kind": "INTERFACE",
        "name": "SurveyQuestion",
        "possibleTypes": [
          {
            "name": "SurveyTextQuestion"
          },
          {
            "name": "SurveyNumberQuestion"
          },
          {
            "name": "SurveyBooleanQuestion"
          },
          {
            "name": "SurveyChoiceQuestion"
          }
        ]
      }
    ]
  }
}