import { RendererFactory2 } from '@angular/core';
import { StacheWindowRef } from '../shared';
export declare class StacheCopyToClipboardService {
    private windowRef;
    private rendererFactory;
    private copyTextArea;
    private document;
    private renderer;
    constructor(windowRef: StacheWindowRef, rendererFactory: RendererFactory2);
    copyContent(element: HTMLElement): void;
    verifyCopyCommandBrowserSupport(): any;
    private copyFromInputElement(copyTarget);
    private getValidInputElement(element);
    private isValidInputElement(element);
    private clearSelection(inputElement);
    private createTextAreaFromElement(element);
}