docs: public void marshall(EndpointMessageResult endpointMessageResult, ProtocolMarshaller protocolMarshaller) {
  
          if (endpointMessageResult == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(endpointMessageResult.getAddress(), ADDRESS_BINDING);
              protocolMarshaller.marshall(endpointMessageResult.getDeliveryStatus(), DELIVERYSTATUS_BINDING);
              protocolMarshaller.marshall(endpointMessageResult.getMessageId(), MESSAGEID_BINDING);
              protocolMarshaller.marshall(endpointMessageResult.getStatusCode(), STATUSCODE_BINDING);
              protocolMarshaller.marshall(endpointMessageResult.getStatusMessage(), STATUSMESSAGE_BINDING);
              protocolMarshaller.marshall(endpointMessageResult.getUpdatedToken(), UPDATEDTOKEN_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }