type ObserverRect = Omit<DOMRectReadOnly, "toJSON">;
/**
 * A custom hook that uses the ResizeObserver API to track the size changes of a DOM element.
 *
 * @template T - The type of the DOM element being observed.
 * @param {ResizeObserverOptions} [options] - The options to configure the ResizeObserver.
 * @returns {[React.RefObject<T>, ObserverRect]} - A tuple containing the ref object and
 *                                                the observed rectangle.
 * @example
 *
 * const [rightElementRef, rect] = useResizeObserver<HTMLDivElement>();
 * <div ref={componentRef}>
 *   Observed: <code>{JSON.stringify(rect)}</code>
 * </div>
 */
export declare function useResizeObserver<T extends HTMLElement = any>(options?: ResizeObserverOptions): readonly [import("react").RefObject<T | null>, ObserverRect];
export {};