docs: public void marshall(InstanceAccess instanceAccess, ProtocolMarshaller protocolMarshaller) {
  
          if (instanceAccess == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(instanceAccess.getFleetId(), FLEETID_BINDING);
              protocolMarshaller.marshall(instanceAccess.getInstanceId(), INSTANCEID_BINDING);
              protocolMarshaller.marshall(instanceAccess.getIpAddress(), IPADDRESS_BINDING);
              protocolMarshaller.marshall(instanceAccess.getOperatingSystem(), OPERATINGSYSTEM_BINDING);
              protocolMarshaller.marshall(instanceAccess.getCredentials(), CREDENTIALS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }