code: public void marshall(StartReplicationTaskRequest startReplicationTaskRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (startReplicationTaskRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(startReplicationTaskRequest.getReplicationTaskArn(), REPLICATIONTASKARN_BINDING);
              protocolMarshaller.marshall(startReplicationTaskRequest.getStartReplicationTaskType(), STARTREPLICATIONTASKTYPE_BINDING);
              protocolMarshaller.marshall(startReplicationTaskRequest.getCdcStartTime(), CDCSTARTTIME_BINDING);
              protocolMarshaller.marshall(startReplicationTaskRequest.getCdcStartPosition(), CDCSTARTPOSITION_BINDING);
              protocolMarshaller.marshall(startReplicationTaskRequest.getCdcStopPosition(), CDCSTOPPOSITION_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.