code: public void marshall(JobFlowInstancesConfig jobFlowInstancesConfig, ProtocolMarshaller protocolMarshaller) {
  
          if (jobFlowInstancesConfig == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(jobFlowInstancesConfig.getMasterInstanceType(), MASTERINSTANCETYPE_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesConfig.getSlaveInstanceType(), SLAVEINSTANCETYPE_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesConfig.getInstanceCount(), INSTANCECOUNT_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesConfig.getInstanceGroups(), INSTANCEGROUPS_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesConfig.getInstanceFleets(), INSTANCEFLEETS_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesConfig.getEc2KeyName(), EC2KEYNAME_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesConfig.getPlacement(), PLACEMENT_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesConfig.getKeepJobFlowAliveWhenNoSteps(), KEEPJOBFLOWALIVEWHENNOSTEPS_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesConfig.getTerminationProtected(), TERMINATIONPROTECTED_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesConfig.getHadoopVersion(), HADOOPVERSION_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesConfig.getEc2SubnetId(), EC2SUBNETID_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesConfig.getEc2SubnetIds(), EC2SUBNETIDS_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesConfig.getEmrManagedMasterSecurityGroup(), EMRMANAGEDMASTERSECURITYGROUP_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesConfig.getEmrManagedSlaveSecurityGroup(), EMRMANAGEDSLAVESECURITYGROUP_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesConfig.getServiceAccessSecurityGroup(), SERVICEACCESSSECURITYGROUP_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesConfig.getAdditionalMasterSecurityGroups(), ADDITIONALMASTERSECURITYGROUPS_BINDING);
              protocolMarshaller.marshall(jobFlowInstancesConfig.getAdditionalSlaveSecurityGroups(), ADDITIONALSLAVESECURITYGROUPS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.