import { NotificationsService } from '../../services/notifications.service';
import { Notification } from '../../interfaces/notifications.interface';
import { OnInit } from '@angular/core';
import { Observable } from 'rxjs/Observable';
export declare class NotificationsComponent implements OnInit {
    private notifications;
    items$: Observable<Notification[]>;
    /**
     * Default constructor.
     *
     * @param notifications The notifications service.
     */
    constructor(notifications: NotificationsService);
    /**
     * Gets triggered when the component is initialized.
     */
    ngOnInit(): void;
    /**
     * Method to optimize the Angular for-loop.
     *
     * @param index The index of the item.
     * @param item The notification item.
     *
     * @returns The id of the notification.
     */
    trackById(index: string, item: Notification): string;
}