/**
 * Custom hook for detecting system color scheme preference.
 *
 * Features:
 * - Detects system dark/light mode preference
 * - Listens for changes in system color scheme
 * - Supports both modern and legacy event listeners
 * - Handles SSR environments gracefully
 * - Automatically cleans up event listeners
 * - Returns consistent light/dark mode values
 *
 * @returns Object containing current color scheme mode
 */
export declare const usePrefersColorScheme: () => {
    mode: "light" | "dark";
};