/**
 * Settings page payload definition.
 */
type Settings = {
    /**
     * Settings page to open.
     *
     * @example 'account'
     * @example 'downloads'
     */
    page?: 'account' | 'friends' | 'interface' | 'ingame' | 'downloads' | 'voice';
};
/**
 * Opens Steam settings page.
 *
 * @param payload Settings payload.
 * @returns Steam settings URL.
 * @example
 * settings({})
 * // => 'steam://settings/'
 * @example
 * settings({ page: 'account' })
 * // => 'steam://settings/account'
 * @example
 * settings({ page: 'downloads' })
 * // => 'steam://settings/downloads'
 * @link https://developer.valvesoftware.com/wiki/Steam_browser_protocol
 */
export declare function settings(payload?: Settings): string;
export {};