/**
 * Check if you're a server-side user.
 */
export declare function isServerSide(): boolean;
/**
 * Detects the user's device based on the user agent string and returns the information as an object.
 */
export declare function detectUserDevice(userAgent?: string): object | string;
/**
 * Adds detected devices as classes to your project's body class
 */
export declare function addDeviceClasses(userAgent?: string): void;
/**
 * Detect the current device type (Mobile or Desktop)
 */
export declare function detectDevice(userAgent?: string): string;
/**
 * Detect the current browser
 */
export declare function detectBrowser(userAgent?: string): string;
/**
 * Detect the current operating system
 */
export declare function detectOS(userAgent?: string): string;
/**
 * Check if you're a passionate iPhone fan.
 */
export declare function isIos(userAgent?: string): boolean;
/**
 * Check if you're a zealous Android fan.
 */
export declare function isAndroid(userAgent?: string): boolean;
/**
 * Check if you're a staunch Mac fan.
 */
export declare function isMac(userAgent?: string): boolean;
/**
 * Check if you're a fervent Windows fan.
 */
export declare function isWindows(userAgent?: string): boolean;
/**
 * Check if you're a devoted Linux fan.
 * @info Fun fact, most Linux users will tell you they have Linux before the function does.
 */
export declare function isLinux(userAgent?: string): boolean;
/**
 * Check if you're a die-hard Chrome fan.
 */
export declare function isChrome(userAgent?: string): boolean;
/**
 * Check if you're a dedicated Firefox fan.
 */
export declare function isFirefox(userAgent?: string): boolean;
/**
 * Check if you're a lonely Safari fan.
 */
export declare function isSafari(userAgent?: string): boolean;
/**
 * Check if you're an ardent Edge fan.
 */
export declare function isEdge(userAgent?: string): boolean;
/**
 * Check if you're rocking a mobile
 */
export declare function isMobile(userAgent?: string): boolean;
/**
 * Check if you're tablet user
 */
export declare function isTablet(userAgent?: string): boolean;
/**
 * Check if you're pro desktop user
 */
export declare function isDesktop(userAgent?: string): boolean;
/**
 * Check if you're portrait
 * @param win Optional window-like object for testability
 */
export declare function isPortrait(win?: {
    innerWidth: number;
    innerHeight: number;
}): boolean;
/**
 * Check if you're landscape
 * @param win Optional window-like object for testability
 */
export declare function isLandscape(win?: {
    innerWidth: number;
    innerHeight: number;
}): boolean;
/**
 * Check if you're a cyborg or a bot
 */
export declare function isBot(userAgent?: string): boolean;
/**
 * Check if you're a human
 */
export declare function isHuman(userAgent?: string): boolean;
/**
 * Check if you're a developer by checking the environment variable
 */
export declare function isDeveloper(): boolean;