/**
 * Copyright IBM Corp. 2025, 2026
 *
 * This source code is licensed under the Apache-2.0 license found in the
 * LICENSE file in the root directory of this source tree.
 */
import { RefObject } from 'react';
export declare const useResizeObserver: ({ ref, onResize, }: {
    ref: RefObject<HTMLElement | null>;
    onResize?: (rect: DOMRectReadOnly) => void;
}) => {
    width: number;
    height: number;
};