export declare function isMobile(): boolean;
export declare function isIOS(): boolean;
export declare function isAndroid(): boolean;
export declare function isTouchDevice(): boolean;
export declare function isChrome(): boolean;
export declare function isSafari(): boolean;
export declare function isPortrait(): boolean;
export declare function isLandscape(): boolean;
export declare function screenOrientation(): number;
export declare class CoreUserAgent {
    private static _isChrome;
    static isChrome(): boolean;
    private static _isSafari;
    static isSafari(): boolean;
    private static _isMobile;
    static isMobile(): boolean;
    private static _isiOS;
    static isiOS(): boolean;
    private static _isAndroid;
    static isAndroid(): boolean;
    private static _isTouchDevice;
    static isTouchDevice(): boolean;
    static isPortrait: typeof isPortrait;
    static isLandscape: typeof isLandscape;
    static screenOrientation: typeof screenOrientation;
}