export declare const sleep: (ms: any) => Promise<unknown>;
/**
 * Prompt the user to save a json file of the given object.
 */
export declare const saveObjectAsFile: (name: string, data: Object) => void;
/**
 * Convert a string `fooBAR baz_160054''"1]"` into a slug: `foobar-baz-1600541`
 */
export declare const stringToSlug: (text: string) => string;
/**
* Helper to update the page URL.
* @param page component page ID to load.
* @param data string or JSON data for query params.
*/
export declare const updateUrl: (page?: string, data?: string | string[][] | Record<string, string | number> | URLSearchParams, replaceState?: boolean) => void;
export declare const getUrlData: (source?: string) => {
    [x: number]: any;
};