openapi: 3.0.4
info:
  title: OpenAPI 3.0.4 circular example
  version: 1
components:
  schemas:
    Foo:
      type: object
      properties:
        quux:
          $ref: '#/components/schemas/Quux'
    Bar:
      type: object
      properties:
        bar:
          $ref: '#/components/schemas/Bar'
        baz:
          $ref: '#/components/schemas/Baz'
    Baz:
      type: object
      properties:
        quux:
          $ref: '#/components/schemas/Quux'
    Qux:
      discriminator:
        propertyName: type
        mapping:
          array: '#/components/schemas/Foo'
          struct: '#/components/schemas/Corge'
      oneOf:
        - $ref: '#/components/schemas/Corge'
        - $ref: '#/components/schemas/Foo'
    Quux:
      type: object
      properties:
        qux:
          $ref: '#/components/schemas/Qux'
    Corge:
      type: object
      properties:
        baz:
          type: array
          items:
            $ref: '#/components/schemas/Baz'