docs: public void marshall(ZookeeperNodeInfo zookeeperNodeInfo, ProtocolMarshaller protocolMarshaller) {
  
          if (zookeeperNodeInfo == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(zookeeperNodeInfo.getAttachedENIId(), ATTACHEDENIID_BINDING);
              protocolMarshaller.marshall(zookeeperNodeInfo.getClientVpcIpAddress(), CLIENTVPCIPADDRESS_BINDING);
              protocolMarshaller.marshall(zookeeperNodeInfo.getZookeeperId(), ZOOKEEPERID_BINDING);
              protocolMarshaller.marshall(zookeeperNodeInfo.getZookeeperVersion(), ZOOKEEPERVERSION_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }