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@Component({
     selector: 'example-component', 
     template: `<button (click)="reportToAnalytics($event, 'Link click')">Report to analytics</button>`
})
class ExampleComponent  {

  constructor(private _ngZone: NgZone, private analyticsService: AnalyticsService ) {}

  reportToAnalytics($event, action) {
    this._ngZone.runOutsideAngular(() => {
      this.analyticsService.report(action);
    });
  }
}