declare const browser: Readonly<{
    isEdge: (ua?: string) => boolean;
    isChrome: (ua?: string) => boolean;
    isSafari: (ua?: string) => boolean;
    isFirefox: (ua?: string) => boolean;
    isOpera: (ua?: string) => boolean;
    isIE: (ua?: string) => boolean;
    isChromium: (ua?: string) => boolean;
}>;

declare const device: Readonly<{
    isIphone: (ua?: string) => boolean;
    isIpad: (ua?: string) => boolean;
    isIpod: (ua?: string) => boolean;
    isMobile: (ua?: string) => boolean;
    isMobileOnly: (ua?: string) => boolean;
    isTablet: (ua?: string) => boolean;
}>;

declare const os: Readonly<{
    isMac: (ua?: string) => boolean;
    isWindows: (ua?: string) => boolean;
    isIOS: (ua?: string) => boolean;
    isAndroid: (ua?: string) => boolean;
    isWinPhone: (ua?: string) => boolean;
    isLinux: (ua?: string) => boolean;
    isHarmonyOS: (ua?: string) => boolean;
}>;

declare function detect(userAgent?: string): {
    is: {
        mac: boolean;
        windows: boolean;
        iOS: boolean;
        android: boolean;
        winPhone: boolean;
        linux: boolean;
        harmonyOS: boolean;
        mobile: boolean;
        mobileOnly: boolean;
        tablet: boolean;
        iPhone: boolean;
        iPad: boolean;
        iPod: boolean;
        edge: boolean;
        chrome: boolean;
        safari: boolean;
        firefox: boolean;
        opera: boolean;
        IE: boolean;
        chromium: boolean;
        wechat: boolean;
    };
    os: {
        [x: string]: any;
        version?: string;
        name?: string;
        type?: string;
    };
    device: {
        [x: string]: any;
        version?: string;
        name?: string;
        type?: string;
        model?: string;
        vendor?: string;
    };
    browser: {
        majorVersion: string | undefined;
        version?: string;
        name?: string;
        type?: string;
    };
};

export { browser, detect, device, os };