import { ElementRef, OnChanges, Renderer2 } from '@angular/core';
import type { Dish } from '@webresto/ng-gql';
import * as i0 from "@angular/core";
export declare class RestoProductImageSrcDirective implements OnChanges {
    private elementRef;
    private renderer;
    private _dish;
    private currentImageIndex;
    private imageChangeInterval;
    private preloadedImages;
    private progress;
    private progressInterval;
    private progressBarElement;
    set dish(value: Partial<Dish> | undefined | null);
    get dish(): Partial<Dish> | undefined | null;
    imageLink: string | undefined;
    usePlaceholder: boolean;
    placeholderSrc: string | undefined;
    constructor(elementRef: ElementRef<HTMLImageElement>, renderer: Renderer2);
    ngOnChanges(): void;
    errImg(): void;
    private _getDishImageSrc;
    static ɵfac: i0.ɵɵFactoryDeclaration<RestoProductImageSrcDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<RestoProductImageSrcDirective, "[restoProductImageSrc]", never, { "dish": { "alias": "restoProductImageSrc"; "required": false; }; "imageLink": { "alias": "imageLink"; "required": false; }; "usePlaceholder": { "alias": "usePlaceholder"; "required": false; }; "placeholderSrc": { "alias": "placeholderSrc"; "required": false; }; }, {}, never, never, true, never>;
}