{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Test",
  "type": "object",
  "required": [
    "data"
  ],
  "properties": {
    "data": {
      "$ref": "#/definitions/KeyValueMap<KvMapFlatten>"
    }
  },
  "definitions": {
    "KeyValueMap<KvMapFlatten>": {
      "type": "object",
      "additionalProperties": {
        "type": "object",
        "oneOf": [
          {
            "type": "object",
            "required": [
              "a"
            ],
            "properties": {
              "a": {
                "type": "integer",
                "format": "uint32",
                "minimum": 0.0
              }
            }
          },
          {
            "type": "object",
            "required": [
              "b"
            ],
            "properties": {
              "b": {
                "type": "string"
              }
            }
          },
          {
            "type": "object",
            "required": [
              "c"
            ],
            "properties": {
              "c": {
                "type": "boolean"
              }
            }
          }
        ],
        "required": [
          "extra"
        ],
        "properties": {
          "extra": {
            "type": "boolean"
          }
        }
      }
    }
  }
}