/**
 * Copyright IBM Corp. 2025
 *
 * This source code is licensed under the Apache-2.0 license found in the
 * LICENSE file in the root directory of this source tree.
 */
/**
 * React hook that returns the current document language and updates on changes.
 *
 * @returns {string} The current document language code.
 */
export declare function useDocumentLang(): string;