1{
2  "type": "object",
3  "allOf": [
4    {
5      "$ref": "Pet.json"
6    },
7    {
8      "required": [
9        "name"
10      ],
11      "properties": {
12        "description": {
13          "type": "integer",
14          "format": "int64"
15        }
16      }
17    }
18  ]
19}