docs: public void marshall(InstanceGroupStatus instanceGroupStatus, ProtocolMarshaller protocolMarshaller) {
  
          if (instanceGroupStatus == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(instanceGroupStatus.getState(), STATE_BINDING);
              protocolMarshaller.marshall(instanceGroupStatus.getStateChangeReason(), STATECHANGEREASON_BINDING);
              protocolMarshaller.marshall(instanceGroupStatus.getTimeline(), TIMELINE_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }