{
  "schema": {
    "properties": {
      "animal": {
        "$ref": "#/definitions/animation"
      }
    },
    "definitions": {
      "animation": {
        "type": "object",
        "properties": {
          "duration": {
            "title": "Duration",
            "type": "integer"
          },
          "stepper": {
            "title": "Stepper",
            "type": "string"
          },
          "then": {
            "title": "Then",
            "type": "array",
            "maxItems": 1,
            "items": {
              "$ref": "#/definitions/animation"
            },
            "default": []
          }
        }
      }
    }
  }
}