/**
 * Generates a simple unique id to be used by Upload class component
 * Because AjaxUploader is currently a class component, we can't use hooks.
 * However, it should work with functional components and SSR.
 * TODO: Remove this once we upgrade to React 18 and replace all references with React's `useId()`.
 * @param prefix The string prefix
 */
export declare const uniqueId: (prefix: string) => string;
export declare const uid: () => string;