import { SimpleChanges, ElementRef, OnChanges, AfterViewInit, EventEmitter } from '@angular/core';
export declare class ImgPreviewerComponent implements OnChanges, AfterViewInit {
    private el;
    fileUrl: any;
    hideImg: EventEmitter<any>;
    viewer: any;
    constructor(el: ElementRef);
    ngAfterViewInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    /**
     * 初始化图片查看器
     */
    initViewer(): void;
}