docs: public void marshall(InstanceGroupConfig instanceGroupConfig, ProtocolMarshaller protocolMarshaller) {
  
          if (instanceGroupConfig == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(instanceGroupConfig.getName(), NAME_BINDING);
              protocolMarshaller.marshall(instanceGroupConfig.getMarket(), MARKET_BINDING);
              protocolMarshaller.marshall(instanceGroupConfig.getInstanceRole(), INSTANCEROLE_BINDING);
              protocolMarshaller.marshall(instanceGroupConfig.getBidPrice(), BIDPRICE_BINDING);
              protocolMarshaller.marshall(instanceGroupConfig.getInstanceType(), INSTANCETYPE_BINDING);
              protocolMarshaller.marshall(instanceGroupConfig.getInstanceCount(), INSTANCECOUNT_BINDING);
              protocolMarshaller.marshall(instanceGroupConfig.getConfigurations(), CONFIGURATIONS_BINDING);
              protocolMarshaller.marshall(instanceGroupConfig.getEbsConfiguration(), EBSCONFIGURATION_BINDING);
              protocolMarshaller.marshall(instanceGroupConfig.getAutoScalingPolicy(), AUTOSCALINGPOLICY_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }