/**
 * react-fetch v1.49.0
 *
 * Copyright (c) resourge.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE.md file in the root directory of this source tree.
 *
 * @license MIT
 */
/**
 * Triggers on window's focus, after blur.
 */
export declare const useOnFocusFetch: (fetch: () => Promise<void>, onWindowFocus?: boolean) => void;