declare function getPlatform(): string; interface NavigatorUAData { brands: Array<{ brand: string; version: string; }>; mobile: boolean; platform: string; } declare function getUserAgent(): string; declare function isMac(): boolean; declare function isSafari(): boolean; declare function isAndroid(): boolean; declare function isJSDOM(): boolean; export type { NavigatorUAData }; export { getPlatform, getUserAgent, isMac, isSafari, isAndroid, isJSDOM };