docs: public void updateServiceInstanceInternalStatus(String serviceName, String instanceId, OperationalStatus status){
          ProtocolHeader header = new ProtocolHeader();
          header.setType(ProtocolType.UpdateServiceInstanceInternalStatus);
  
          UpdateServiceInstanceInternalStatusProtocol protocol = new UpdateServiceInstanceInternalStatusProtocol(serviceName, instanceId, status);
          connection.submitRequest(header, protocol, null);
      }