docs: public void marshall(UpdateClusterRequest updateClusterRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (updateClusterRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(updateClusterRequest.getClusterName(), CLUSTERNAME_BINDING);
              protocolMarshaller.marshall(updateClusterRequest.getDescription(), DESCRIPTION_BINDING);
              protocolMarshaller.marshall(updateClusterRequest.getPreferredMaintenanceWindow(), PREFERREDMAINTENANCEWINDOW_BINDING);
              protocolMarshaller.marshall(updateClusterRequest.getNotificationTopicArn(), NOTIFICATIONTOPICARN_BINDING);
              protocolMarshaller.marshall(updateClusterRequest.getNotificationTopicStatus(), NOTIFICATIONTOPICSTATUS_BINDING);
              protocolMarshaller.marshall(updateClusterRequest.getParameterGroupName(), PARAMETERGROUPNAME_BINDING);
              protocolMarshaller.marshall(updateClusterRequest.getSecurityGroupIds(), SECURITYGROUPIDS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }