code: public void marshall(LoadBalancer loadBalancer, ProtocolMarshaller protocolMarshaller) {
  
          if (loadBalancer == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(loadBalancer.getTargetGroupArn(), TARGETGROUPARN_BINDING);
              protocolMarshaller.marshall(loadBalancer.getLoadBalancerName(), LOADBALANCERNAME_BINDING);
              protocolMarshaller.marshall(loadBalancer.getContainerName(), CONTAINERNAME_BINDING);
              protocolMarshaller.marshall(loadBalancer.getContainerPort(), CONTAINERPORT_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.