export interface UseActiveElementOptions {
    /**
     * Whether to traverse the shadow DOM to find the active element
     *
     * @defaultValue false
     */
    deep?: boolean;
}
/**
 * A React Hook that returns the currently **active element** (via `document.activeElement`), optionally traversing the shadow DOM.
 *
 * @param {UseActiveElementOptions} options - `UseActiveElementOptions`, options to configure the hook, see {@link UseActiveElementOptions}
 * @returns {Element | null} `Element | null`, the currently active element, `null` if there is none, see {@link Element}
 */
export declare function useActiveElement(options?: UseActiveElementOptions): Element | null;