docs: public void marshall(ObjectAttributeUpdate objectAttributeUpdate, ProtocolMarshaller protocolMarshaller) {
  
          if (objectAttributeUpdate == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(objectAttributeUpdate.getObjectAttributeKey(), OBJECTATTRIBUTEKEY_BINDING);
              protocolMarshaller.marshall(objectAttributeUpdate.getObjectAttributeAction(), OBJECTATTRIBUTEACTION_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }