import { ElementRef, RendererFactory2 } from '@angular/core';
export declare class ElementShowHideService {
    static readonly STYLE_ATTRIBUTE = "style";
    static readonly STYLE_DISPLAY_NONE = "display: none !important;";
    static readonly STYLE_DISPLAY_NONE_REGEX: RegExp;
    private renderer;
    constructor(rendererFactory: RendererFactory2);
    show(el: ElementRef): void;
    hide(el: ElementRef): void;
    isHidden(el: ElementRef): boolean;
    private getStyle;
    private setStyle;
}