{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Struct",
  "type": "object",
  "properties": {
    "foo": {
      "type": "integer",
      "format": "int32"
    },
    "bar": {
      "type": "boolean"
    },
    "baz": {
      "type": [
        "string",
        "null"
      ]
    }
  },
  "additionalProperties": false,
  "required": [
    "foo",
    "bar"
  ]
}