interface FocusWithinApi {
    /**
     * @since 10.19.0
     */
    isFocusWithin: boolean;
    /**
     * @since 10.19.0
     */
    containerProps: {
        onFocus: () => void;
        onBlur: () => void;
    };
}
export declare function useFocusWithin(): FocusWithinApi;
export {};