import { OnInit } from '@angular/core';
import { MatDialogRef } from '@angular/material/dialog';
import * as i0 from "@angular/core";
export declare type ImageViewType = 'baseline' | 'current' | 'difference';
export interface VisualDifferenceModalData {
    baselineUrl: string;
    currentUrl: string;
    differenceUrl: string;
    title?: string;
    subtitle?: string;
    initialView?: ImageViewType;
}
export declare class VisualDifferenceModalComponent implements OnInit {
    dialogRef: MatDialogRef<VisualDifferenceModalComponent>;
    data: VisualDifferenceModalData;
    baselineUrl: string;
    currentUrl: string;
    differenceUrl: string;
    title: string;
    subtitle: string;
    currentView: ImageViewType;
    baselineImageError: boolean;
    currentImageError: boolean;
    differenceImageError: boolean;
    constructor(dialogRef: MatDialogRef<VisualDifferenceModalComponent>, data: VisualDifferenceModalData);
    ngOnInit(): void;
    get currentImageUrl(): string;
    onClose(): void;
    onImageError(event: Event): void;
    onThumbnailError(type: 'baseline' | 'current' | 'difference', event: Event): void;
    hasThumbnailImage(type: 'baseline' | 'current' | 'difference'): boolean;
    setView(view: ImageViewType): void;
    navigatePrevious(): void;
    navigateNext(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<VisualDifferenceModalComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<VisualDifferenceModalComponent, "cqa-visual-difference-modal", never, {}, {}, never, never>;
}