code: public void marshall(JobFlowInstancesDetail jobFlowInstancesDetail, ProtocolMarshaller protocolMarshaller) {
  
          if (jobFlowInstancesDetail == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(jobFlowInstancesDetail.getMasterInstanceType(), MASTERINSTANCETYPE_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesDetail.getMasterPublicDnsName(), MASTERPUBLICDNSNAME_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesDetail.getMasterInstanceId(), MASTERINSTANCEID_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesDetail.getSlaveInstanceType(), SLAVEINSTANCETYPE_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesDetail.getInstanceCount(), INSTANCECOUNT_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesDetail.getInstanceGroups(), INSTANCEGROUPS_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesDetail.getNormalizedInstanceHours(), NORMALIZEDINSTANCEHOURS_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesDetail.getEc2KeyName(), EC2KEYNAME_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesDetail.getEc2SubnetId(), EC2SUBNETID_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesDetail.getPlacement(), PLACEMENT_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesDetail.getKeepJobFlowAliveWhenNoSteps(), KEEPJOBFLOWALIVEWHENNOSTEPS_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesDetail.getTerminationProtected(), TERMINATIONPROTECTED_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesDetail.getHadoopVersion(), HADOOPVERSION_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.