parameters:
  - $ref: ../parameters/number.yml
get:
  responses:
    "200":
      description: OK
      content:
        application/json:
          schema:
            type: object
            properties:
              foo2:
                $ref: ../openapi.yml#/components/schemas/Foo2
    "400":
      $ref: "../openapi.yml#/components/responses/400"
