--- swagger: '2.0' info: title: checking $ref siblings in response version: '1.0' description: | This one checks that wrong response declaraion with $ref sibling is correcly handled and reported produces: - application/json paths: /fixture: get: operationId: op1 parameters: - name: myid in: body schema: $ref: '#/definitions/myId' responses: 200: description: 'response with $ref sibling' schema: $ref: '#/definitions/someIds' definitions: myId: type: string someIds: type: integer