{
  "title": "Todo Full",
  "allOf": [
    {
      "properties": {
        "test": {
          "type": "string"
        }
      }
    },
    {
      "properties": {
        "id": {
          "type": "integer",
          "minimum": 0,
          "maximum": 1000000
        },
        "completed_at": {
          "type": ["string", "null"],
          "format": "date-time"
        },
        "created_at": {
          "type": "string",
          "format": "date-time"
        },
        "updated_at": {
          "type": "string",
          "format": "date-time"
        }
      },
      "required": ["id"]
    }
  ],
  "type": "object"
}