docs: public void marshall(Instance instance, ProtocolMarshaller protocolMarshaller) {
  
          if (instance == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(instance.getFleetId(), FLEETID_BINDING);
              protocolMarshaller.marshall(instance.getInstanceId(), INSTANCEID_BINDING);
              protocolMarshaller.marshall(instance.getIpAddress(), IPADDRESS_BINDING);
              protocolMarshaller.marshall(instance.getOperatingSystem(), OPERATINGSYSTEM_BINDING);
              protocolMarshaller.marshall(instance.getType(), TYPE_BINDING);
              protocolMarshaller.marshall(instance.getStatus(), STATUS_BINDING);
              protocolMarshaller.marshall(instance.getCreationTime(), CREATIONTIME_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }