export declare const testUserAgent: (win: Window, expr: RegExp) => boolean;
export declare const isMobile: (win: Window) => boolean;
export declare const isBrowser: (win: Window) => boolean;
export declare const isPrivacyBrowser: (win: Window) => boolean;
export declare const isIOS: (win: Window) => boolean;
export declare const isAndroid: (win: Window) => boolean;
export declare const isTwBrowser: (win: Window) => boolean;
export declare const isDesktop: (win: Window) => boolean;
export declare const isMobileOS: (win: Window) => boolean;
export declare const currentOS: () => string;
export declare const currentBrowser: () => string;