/**
 * App news payload definition.
 */
type AppNews = {
    /**
     * Application ID to show news for.
     *
     * @example 730
     */
    id: string | number;
};
/**
 * Opens up the news page for an app.
 *
 * @param payload App news payload.
 * @returns Steam app news URL.
 * @example
 * appNews({ id: 730 })
 * // => 'steam://appnews/730'
 * @link https://developer.valvesoftware.com/wiki/Steam_browser_protocol
 */
export declare function appNews(payload: AppNews): string;
export {};