import { OperatingSystem } from "../types";
/**
 * Hook to detect the user's operating system.
 * Uses the modern User-Agent Client Hints API (navigator.userAgentData).
 *
 * @returns The detected operating system: "mac" | "windows" | "linux" | "unknown"
 *
 * @example
 * const os = useOS();
 * const modifierKey = os === "mac" ? "⌘" : "Ctrl";
 */
declare const useOS: () => OperatingSystem;
export default useOS;