/**
 * 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 { Directionality } from '@angular/cdk/bidi';
import { Overlay } from '@angular/cdk/overlay';
import { Injector } from '@angular/core';
import { VtsConfigService } from '@ui-vts-kit/ng-vts/core/config';
import { VtsImage, VtsImagePreviewOptions } from './image-preview-options';
import { VtsImagePreviewRef } from './image-preview-ref';
import * as i0 from "@angular/core";
export interface VtsImageService {
    preview(images: VtsImage[], option?: VtsImagePreviewOptions): VtsImagePreviewRef;
}
export declare class VtsImageService {
    private overlay;
    private injector;
    private vtsConfigService;
    private directionality;
    constructor(overlay: Overlay, injector: Injector, vtsConfigService: VtsConfigService, directionality: Directionality);
    private display;
    private attachPreviewComponent;
    private createOverlay;
    static ɵfac: i0.ɵɵFactoryDeclaration<VtsImageService, [null, null, null, { optional: true; }]>;
    static ɵprov: i0.ɵɵInjectableDeclaration<VtsImageService>;
}