import { AfterViewInit, ElementRef, OnChanges, OnDestroy, QueryList } from '@angular/core';
import { Observable } from 'rxjs';
import { NotificationListDirection, NotificationRef } from './notification.service';
import * as i0 from "@angular/core";
export declare class NotificationListComponent implements AfterViewInit, OnChanges, OnDestroy {
    private readonly _notificationService;
    private readonly _changeDetectorRef;
    private readonly _renderer;
    /**
     *  Sets the order in which notifications are displayed:
        `above` - newer notifications will appear above older ones.
        `below` - newer notifications will appear below older ones.
     */
    set direction(direction: NotificationListDirection);
    /** Sets the position of the list of notifications within the browser window. */
    position: NotificationListPostion;
    /** The list of notifications that have not been dismissed */
    notifications$: Observable<NotificationRef[]>;
    /** Store the bottom position of the notification list */
    _bottom: number;
    /** Store a list of all element refs */
    _elements: QueryList<ElementRef>;
    /** Filter out any hidden notifications */
    private get _notifications();
    /** Unsubscribe from all subscriptions on component destroy */
    private readonly _onDestroy;
    ngAfterViewInit(): void;
    ngOnChanges(): void;
    ngOnDestroy(): void;
    private applyElementPositions;
    private updateListPosition;
    /** Get the height of the notification, including spacing if configured. */
    private getNotificationHeightInPixels;
    /** Get the total height of the element including margins. */
    private getElementOuterHeightInPixels;
    static ɵfac: i0.ɵɵFactoryDeclaration<NotificationListComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NotificationListComponent, "ux-notification-list", never, { "direction": { "alias": "direction"; "required": false; }; "position": { "alias": "position"; "required": false; }; }, {}, never, never, false, never>;
}
export type NotificationListPostion = 'top-left' | 'top-right' | 'bottom-left' | 'bottom-right';