import { ElementRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare class ngfBackground {
    ElementRef: ElementRef;
    file: any;
    constructor(ElementRef: ElementRef);
    ngOnChanges(_changes: any): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ngfBackground, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<ngfBackground, "[ngfBackground]", never, { "file": "ngfBackground"; }, {}, never, never, false>;
}