/** Window dimensions */
export interface WindowSize {
    /** Viewport width in pixels */
    width: number;
    /** Viewport height in pixels */
    height: number;
}
/**
 * Returns the current window dimensions, updating on resize.
 *
 * @param {number} [debounceMs=100] - Debounce delay for resize events in ms
 * @returns {WindowSize} Current width and height
 *
 * @example
 * const { width, height } = useWindowSize(150);
 * const isWide = width >= 1280;
 */
export declare function useWindowSize(debounceMs?: number): WindowSize;