forwardChanges:
  AtPath "/api/foo":
    InOperation GetMethod:
      InRequest:
        InPayload:
          PayloadSchema:
            OfType Object:
              InProperty "leaf":
                OfType Object:
                  InProperty "value":
                    OfType Object:
                      InProperty "foo":
                        OfType String: NoMatchingEnum (String "a")
backwardChanges:
  AtPath "/api/foo":
    InOperation GetMethod:
      WithStatusCode 200:
        ResponsePayload:
          PayloadSchema:
            OfType Object:
              InProperty "leaf":
                OfType Object:
                  InProperty "value":
                    OfType Object:
                      InProperty "foo":
                        OfType String: NoMatchingEnum (String "a")