code: public void marshall(CreateBrokerRequest createBrokerRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (createBrokerRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(createBrokerRequest.getAutoMinorVersionUpgrade(), AUTOMINORVERSIONUPGRADE_BINDING);
              protocolMarshaller.marshall(createBrokerRequest.getBrokerName(), BROKERNAME_BINDING);
              protocolMarshaller.marshall(createBrokerRequest.getConfiguration(), CONFIGURATION_BINDING);
              protocolMarshaller.marshall(createBrokerRequest.getCreatorRequestId(), CREATORREQUESTID_BINDING);
              protocolMarshaller.marshall(createBrokerRequest.getDeploymentMode(), DEPLOYMENTMODE_BINDING);
              protocolMarshaller.marshall(createBrokerRequest.getEngineType(), ENGINETYPE_BINDING);
              protocolMarshaller.marshall(createBrokerRequest.getEngineVersion(), ENGINEVERSION_BINDING);
              protocolMarshaller.marshall(createBrokerRequest.getHostInstanceType(), HOSTINSTANCETYPE_BINDING);
              protocolMarshaller.marshall(createBrokerRequest.getLogs(), LOGS_BINDING);
              protocolMarshaller.marshall(createBrokerRequest.getMaintenanceWindowStartTime(), MAINTENANCEWINDOWSTARTTIME_BINDING);
              protocolMarshaller.marshall(createBrokerRequest.getPubliclyAccessible(), PUBLICLYACCESSIBLE_BINDING);
              protocolMarshaller.marshall(createBrokerRequest.getSecurityGroups(), SECURITYGROUPS_BINDING);
              protocolMarshaller.marshall(createBrokerRequest.getSubnetIds(), SUBNETIDS_BINDING);
              protocolMarshaller.marshall(createBrokerRequest.getTags(), TAGS_BINDING);
              protocolMarshaller.marshall(createBrokerRequest.getUsers(), USERS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.