{
  "definitions": {
    "deep": {
      "type": "object",
      "properties": {
        "mapped": {
          "$ref": "#/definitions/leaf"
        }
      },
      "propertyNames": {
        "$ref": "#/definitions/leaf"
      },
      "if": {
        "anyOf": [
          {
            "$ref": "#/definitions/leaf"
          }
        ]
      }
    },
    "leaf": {
      "type": "string"
    }
  }
}