definitions:
  PetName:
    properties:
      name:
        type: string
      nickname:
        type: string
        x-nullable: true
    type: object
info:
  title: test
  version: 0.0.1
paths:
  /foo:
    post:
      consumes:
        - application/json
      operationId: getFoo
      parameters:
        - in: body
          name: body
          required: true
          schema:
            properties:
              name:
                type: string
                x-nullable: true
              pet:
                allOf:
                  - $ref: '#/definitions/PetName'
                  - properties:
                      favorite_foods:
                        items:
                          type: string
                          x-nullable: true
                        type: array
                    type: object
            type: object
      produces:
        - application/json
      responses:
        '200':
          description: Foo
          schema:
            allOf:
              - $ref: '#/definitions/PetName'
              - properties:
                  name:
                    type: string
                    x-nullable: true
                type: object
      tags:
        - Foos
swagger: '2.0'
x-components:
  requestBodies:
    FooRequest:
      content:
        application/json:
          schema:
            properties:
              name:
                nullable: true
                type: string
              pet:
                allOf:
                  - $ref: '#/definitions/PetName'
                  - properties:
                      favorite_foods:
                        items:
                          nullable: true
                          type: string
                        type: array
                    type: object
            type: object
      required: true
  responses:
    FooResponse:
      content:
        application/json:
          schema:
            allOf:
              - $ref: '#/definitions/PetName'
              - properties:
                  name:
                    nullable: true
                    type: string
                type: object
      description: Foo