forwardChanges:
  AtPath "/test":
    InOperation PostMethod:
      InRequest:
        InPayload:
          PayloadSchema:
            OfType Object:
              InPartition (PInProperty "desc" (PInProperty "name" PHere),CByEnumValue (fromList [String "B"])):
                InProperty "prop_B":
                  OfType Number: TypeBecomesEmpty
      WithStatusCode 200:
        ResponsePayload:
          PayloadSchema:
            OfType Object:
              InPartition (PInProperty "desc" (PInProperty "name" PHere),CByEnumValue (fromList [String "B"])):
                InProperty "prop_B":
                  OfType String: TypeBecomesEmpty
backwardChanges:
  AtPath "/test":
    InOperation PostMethod:
      InRequest:
        InPayload:
          PayloadSchema:
            OfType Object:
              InPartition (PInProperty "desc" (PInProperty "name" PHere),CByEnumValue (fromList [String "B"])):
                InProperty "prop_B":
                  OfType String: TypeBecomesEmpty
      WithStatusCode 200:
        ResponsePayload:
          PayloadSchema:
            OfType Object:
              InPartition (PInProperty "desc" (PInProperty "name" PHere),CByEnumValue (fromList [String "B"])):
                InProperty "prop_B":
                  OfType Number: TypeBecomesEmpty