import { ChangeDetectionStrategy , Component } from '@angular/core' ; import { NotificationService , NotificationStyleType , NotificationType } from '@swimlane/ngx-ui' ; @ Component ( { selector : 'app-notification-page' , templateUrl : './notification-page.component.html' , changeDetection : ChangeDetectionStrategy . OnPush } ) export class NotificationPageComponent { readonly NotificationType = NotificationType ; readonly NotificationStyleType = NotificationStyleType ; constructor ( readonly notificationService ) { } }