message: fix(service-worker): export NoNewVersionDetectedEvent
  NoNewVersionDetectedEvent is marked as but not exported.
  PR Close
diff: * found in the LICENSE file at https://angular.io/license
  */
  -export {UnrecoverableStateEvent, UpdateActivatedEvent, UpdateAvailableEvent, VersionDetectedEvent, VersionEvent, VersionInstallationFailedEvent, VersionReadyEvent,} from './low_level';
  +export {UnrecoverableStateEvent, UpdateActivatedEvent, UpdateAvailableEvent, VersionDetectedEvent, VersionEvent, VersionInstallationFailedEvent, VersionReadyEvent, NoNewVersionDetectedEvent} from './low_level';
  export {ServiceWorkerModule, SwRegistrationOptions} from './module';
  export {SwPush} from './push';
  export {SwUpdate} from './update';
  