import { RendererFactory2 } from '@angular/core';
import * as i0 from "@angular/core";
export declare class WatermarkService {
    private renderer;
    constructor(rendererFactory: RendererFactory2);
    showWatermark(): void;
    private hideWatermark;
    static ɵfac: i0.ɵɵFactoryDeclaration<WatermarkService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<WatermarkService>;
}