{
  "swagger": "2.0",
  "info": {
    "title": "anyOf bug",
    "version": "0.0.1",
    "description": "repro",
    "license": {
      "name": "Apache 2.0",
      "url": "http://www.apache.org/licenses/LICENSE-2.0.html"
    }
  },
  "definitions": {
    "foo": {
      "type": "object"
    },
    "bar": {
      "type": "object"
    }
  },
  "paths": {
    "/": {
      "get": {
        "responses": {
          "200": {
            "description": "OK",
            "schema": {
                "allOf": [
                    {
                        "$ref": "#/definitions/foo"
                    },
                    {
                        "$ref": "#/definitions/bar"
                    }
                ]
            }
          }
        }
      }
    }
  }
}