import { Resource } from '../locale/resources/iResource';
/**
 * Html Utility to build consent help overlay.
 */
export declare class HtmlUtil {
    static resource: Resource;
    /**
     * Shows the overlay with the consent help dialog. Html is loaded on iframe with blob url as source.
     * @param consentCode Consent code generated which will be shown to user on the overlay.
     * @param portNumber Port number of the listener running on machine. Needed to load help images.
     */
    static showConsentOverlay: (consentCode: number, portNumber: number) => void;
    /**
     * Hides overlay
     */
    static hideConsentOverlay: () => void;
    /**
    * Show error overlay
    */
    static showErrorOverlay: () => void;
    private static cssToBind;
    private static consentHelpTemplate;
    private static errorTemplate;
    private static token;
    private static portNumber;
    /**
     * Adds an overlay div to html body.
     */
    private static buildConsentHelpHtml;
    /**
     * Constructs a html page to be loaded.
     * @param param0 Object containing the css and html to show as string
     * @returns Source to load as blob url.
     */
    private static generatePageURL;
    /**
     * Creates a blob URL
     * @param code Content to be stored in blob
     * @param type Type of blob object to create
     * @returns Source to load as blob url.
     */
    private static getBlobURL;
    /**
     * Returns complete html page as string
     * @param param0 Object containing the css, cssURL and html to show as string
     * @returns Complete html page as string
     */
    private static getCompleteHtml;
    /**
     * Loads the Iframe with overlay content
     * @param iframe Iframe on which overlay content will be loaded
     * @param html Html content to load
     * @param css Css to bind to the html
     */
    private static loadIFrame;
}