/**
 * 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 { Direction, Directionality } from '@angular/cdk/bidi';
import { ChangeDetectorRef, ElementRef, OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core';
import { VtsConfigKey, VtsConfigService } from '@ui-vts-kit/ng-vts/core/config';
import { BooleanInput } from '@ui-vts-kit/ng-vts/core/types';
import { VtsImageGroupComponent } from './image-group.component';
import { VtsImageService } from './image.service';
import * as i0 from "@angular/core";
export type ImageStatusType = 'error' | 'loading' | 'normal';
export type VtsImageShape = 'rounded' | 'circle' | 'square';
export declare class VtsImageDirective implements OnInit, OnChanges, OnDestroy {
    vtsConfigService: VtsConfigService;
    elementRef: ElementRef;
    private vtsImageService;
    protected cdr: ChangeDetectorRef;
    private parentGroup;
    private directionality;
    readonly _vtsModuleName: VtsConfigKey;
    static ngAcceptInputType_vtsPreview: BooleanInput;
    static ngAcceptInputType_vtsThumbnail: BooleanInput;
    vtsSrc: string;
    vtsPreview: boolean;
    vtsFallback: string | null;
    vtsPlaceholder: string | null;
    vtsShape: VtsImageShape;
    vtsFit: string | null;
    vtsThumbnail: boolean;
    dir?: Direction;
    backLoadImage: HTMLImageElement;
    private status;
    private destroy$;
    get previewable(): boolean;
    constructor(vtsConfigService: VtsConfigService, elementRef: ElementRef, vtsImageService: VtsImageService, cdr: ChangeDetectorRef, parentGroup: VtsImageGroupComponent, directionality: Directionality);
    ngOnInit(): void;
    ngOnDestroy(): void;
    onPreview(): void;
    getElement(): ElementRef<HTMLImageElement>;
    ngOnChanges(changes: SimpleChanges): void;
    /**
     * use internal Image object handle fallback & placeholder
     * @private
     */
    private backLoad;
    static ɵfac: i0.ɵɵFactoryDeclaration<VtsImageDirective, [null, null, null, null, { optional: true; }, { optional: true; }]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<VtsImageDirective, "img[vts-image]", ["vtsImage"], { "vtsSrc": { "alias": "vtsSrc"; "required": false; }; "vtsPreview": { "alias": "vtsPreview"; "required": false; }; "vtsFallback": { "alias": "vtsFallback"; "required": false; }; "vtsPlaceholder": { "alias": "vtsPlaceholder"; "required": false; }; "vtsShape": { "alias": "vtsShape"; "required": false; }; "vtsFit": { "alias": "vtsFit"; "required": false; }; "vtsThumbnail": { "alias": "vtsThumbnail"; "required": false; }; }, {}, never, never, false, never>;
}