/** Options for useDocumentTitle */
export interface UseDocumentTitleOptions {
    /** Restore the previous title when the component unmounts. Default: `false` */
    restoreOnUnmount?: boolean;
}
/**
 * Sets `document.title` reactively. Optionally restores the previous title on unmount.
 *
 * @param {string} title - The new document title
 * @param {UseDocumentTitleOptions} [options] - Behavior options
 *
 * @example
 * // Unread notification count in title
 * useDocumentTitle(unread > 0 ? `(${unread}) Dashboard` : 'Dashboard');
 *
 * // Restore original title when leaving page
 * useDocumentTitle('Editing Post', { restoreOnUnmount: true });
 */
export declare function useDocumentTitle(title: string, options?: UseDocumentTitleOptions): void;