{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Container",
  "type": "object",
  "required": [
    "result1",
    "result2"
  ],
  "properties": {
    "result1": {
      "$ref": "#/definitions/Result_of_MyStruct_or_Array_of_String"
    },
    "result2": {
      "$ref": "#/definitions/Result_of_Boolean_or_Null"
    }
  },
  "definitions": {
    "Result_of_MyStruct_or_Array_of_String": {
      "oneOf": [
        {
          "type": "object",
          "required": [
            "Ok"
          ],
          "properties": {
            "Ok": {
              "$ref": "#/definitions/MyStruct"
            }
          }
        },
        {
          "type": "object",
          "required": [
            "Err"
          ],
          "properties": {
            "Err": {
              "type": "array",
              "items": {
                "type": "string"
              }
            }
          }
        }
      ]
    },
    "MyStruct": {
      "type": "object",
      "required": [
        "foo"
      ],
      "properties": {
        "foo": {
          "type": "integer",
          "format": "int32"
        }
      }
    },
    "Result_of_Boolean_or_Null": {
      "oneOf": [
        {
          "type": "object",
          "required": [
            "Ok"
          ],
          "properties": {
            "Ok": {
              "type": "boolean"
            }
          }
        },
        {
          "type": "object",
          "required": [
            "Err"
          ],
          "properties": {
            "Err": {
              "type": "null"
            }
          }
        }
      ]
    }
  }
}