{
    "definitions": {
        "b": {
            "additionalProperties": false,
            "properties": {
                "a1": {
                    "type": "string"
                },
                "a2": {
                    "type": "integer"
                }
            },
            "required": [
                "a1"
            ],
            "type": "object"
        },
        "c": {
            "additionalProperties": {
                "type": "integer"
            },
            "type": "object"
        }
    },
    "description": "Test schema responses",
    "title": "test3-model-schema",
    "properties": {
        "b": {
            "$ref": "#/definitions/b"
        },
        "c": {
            "$ref": "#/definitions/c"
        }
    },
    "required": [
        "b",
        "c"
    ]
}