import type { configType } from './types';
export declare const importFonts: () => void;
export declare const prepareCloseModalNode: () => HTMLDivElement;
export declare const initDOMNodeWithOverlay: (url: string, theme?: configType["theme"], containerId?: `#${string}`) => {
    body: HTMLBodyElement | null;
    iframe: HTMLIFrameElement;
    overlay: null;
    shadow: null;
    shadowHost: null;
    container: Element;
} | {
    body: HTMLBodyElement | null;
    iframe: HTMLIFrameElement;
    overlay: HTMLDivElement;
    shadow: ShadowRoot;
    shadowHost: HTMLDivElement;
    container: null;
};
export declare const sanityCheck: (config: configType) => boolean;
export declare const getTime: () => number;