code: public void marshall(ModifyReplicationTaskRequest modifyReplicationTaskRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (modifyReplicationTaskRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(modifyReplicationTaskRequest.getReplicationTaskArn(), REPLICATIONTASKARN_BINDING);
              protocolMarshaller.marshall(modifyReplicationTaskRequest.getReplicationTaskIdentifier(), REPLICATIONTASKIDENTIFIER_BINDING);
              protocolMarshaller.marshall(modifyReplicationTaskRequest.getMigrationType(), MIGRATIONTYPE_BINDING);
              protocolMarshaller.marshall(modifyReplicationTaskRequest.getTableMappings(), TABLEMAPPINGS_BINDING);
              protocolMarshaller.marshall(modifyReplicationTaskRequest.getReplicationTaskSettings(), REPLICATIONTASKSETTINGS_BINDING);
              protocolMarshaller.marshall(modifyReplicationTaskRequest.getCdcStartTime(), CDCSTARTTIME_BINDING);
              protocolMarshaller.marshall(modifyReplicationTaskRequest.getCdcStartPosition(), CDCSTARTPOSITION_BINDING);
              protocolMarshaller.marshall(modifyReplicationTaskRequest.getCdcStopPosition(), CDCSTOPPOSITION_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.