/**
 * Function to support the selected of a string in the set lang.
 * @param {string} lang - Requested lang for content return.
 * @param {string} requestedString - String requested in context.
 * @private
 * @returns {string} Value of string request.
 */
export default function i18n(lang: string, requestedString: string): string;
/**
 * @private
 * @param {object} element - Pass in the scope of the element in use.
 */
export function notifyOnLangChange(element: object): void;
/**
 * @private
 * @param {object} element - Pass in the scope of the element in use.
 */
export function stopNotifyingOnLangChange(element: object): void;