addBuiltin(CLASS_FACTORY_SERVICE_ID, ClassFactory.class, _classFactory);
Logger logger = loggerForBuiltinService(THREAD_CLEANUP_HUB_SERVICE_ID);
_cleanupHub = new ThreadCleanupHubImpl(logger);
addBuiltin(THREAD_CLEANUP_HUB_SERVICE_ID, ThreadCleanupHub.class, _cleanupHub);
logger = loggerForBuiltinService(REGISTRY_SHUTDOWN_HUB_SERVICE_ID);