/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
import { AfterViewInit, ChangeDetectorRef, ElementRef, EventEmitter, OnDestroy, OnInit, TemplateRef } from '@angular/core';
import { Direction, Directionality } from '@angular/cdk/bidi';
import { Location } from '@angular/common';
import { VtsConfigKey, VtsConfigService } from '@ui-vts-kit/ng-vts/core/config';
import { VtsResizeObserver } from '@ui-vts-kit/ng-vts/cdk/resize-observer';
import { Subject } from 'rxjs';
import { VtsPageHeaderBreadcrumbDirective, VtsPageHeaderFooterDirective } from './page-header-cells';
import * as i0 from "@angular/core";
export declare class VtsPageHeaderComponent implements AfterViewInit, OnDestroy, OnInit {
    private location;
    vtsConfigService: VtsConfigService;
    private elementRef;
    private vtsResizeObserver;
    private cdr;
    private directionality;
    readonly _vtsModuleName: VtsConfigKey;
    vtsBackIcon: string | TemplateRef<void> | null;
    vtsTitle?: string | TemplateRef<void>;
    vtsSubtitle?: string | TemplateRef<void>;
    vtsGhost: boolean;
    readonly vtsBack: EventEmitter<void>;
    vtsPageHeaderFooter?: ElementRef<VtsPageHeaderFooterDirective>;
    vtsPageHeaderBreadcrumb?: ElementRef<VtsPageHeaderBreadcrumbDirective>;
    compact: boolean;
    destroy$: Subject<void>;
    dir: Direction;
    constructor(location: Location, vtsConfigService: VtsConfigService, elementRef: ElementRef, vtsResizeObserver: VtsResizeObserver, cdr: ChangeDetectorRef, directionality: Directionality);
    ngOnInit(): void;
    ngAfterViewInit(): void;
    onBack(): void;
    ngOnDestroy(): void;
    getBackIcon(): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<VtsPageHeaderComponent, [{ optional: true; }, null, null, null, null, { optional: true; }]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<VtsPageHeaderComponent, "vts-page-header", ["vtsPageHeader"], { "vtsBackIcon": { "alias": "vtsBackIcon"; "required": false; }; "vtsTitle": { "alias": "vtsTitle"; "required": false; }; "vtsSubtitle": { "alias": "vtsSubtitle"; "required": false; }; "vtsGhost": { "alias": "vtsGhost"; "required": false; }; }, { "vtsBack": "vtsBack"; }, ["vtsPageHeaderFooter", "vtsPageHeaderBreadcrumb"], ["vts-breadcrumb[vts-page-header-breadcrumb]", "vts-avatar[vts-page-header-avatar]", "vts-page-header-title, [vts-page-header-title]", "vts-page-header-subtitle, [vts-page-header-subtitle]", "vts-page-header-tags, [vts-page-header-tags]", "vts-page-header-extra, [vts-page-header-extra]", "vts-page-header-content, [vts-page-header-content]", "vts-page-header-footer, [vts-page-header-footer]"], false, never>;
}