/**
 * 获取 UA
 * @return {string}
 */
export declare function getUserAgent(): string;
/**
 * 判断是否是手机
 * @return {boolean}
 */
export declare function isMobile(): boolean;
/**
 * 判断是否是 android 设备
 * @return {boolean}
 */
export declare function isAndroid(): boolean;
/**
 * 判断是否 ios 设备
 * @return {boolean}
 */
export declare function isIOS(): boolean;
/**
 * 是否是 微信 设备
 * @return {boolean}
 */
export declare function isWeiXin(): boolean;
/**
 * 判断是否是 mobile 微信
 * @return {boolean}
 */
export declare function isMWeiXin(): boolean;
/**
 * 判断是否是手机qq
 * @return {boolean}
 */
export declare function isMQQ(): boolean;
/**
 * 判断是否是手机微博 UA
 * @return {boolean}
 */
export declare function isMWeibo(): boolean;
/**
 * 判断是否是江湖 daily App
 */
export declare function isJianghuDaily(): boolean;
/**
 * 判断是否是飞书
 */
export declare function isLark(): boolean;