/**
 * @license Copyright (c) 2003-2025, CKSource Holding sp. z o.o. All rights reserved.
 * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-licensing-options
 */
export type Defer<E> = {
    promise: Promise<E>;
    resolve: (value: E) => void;
};
/**
 * This function generates a promise that can be resolved by invoking the returned `resolve` method.
 * It proves to be beneficial in the creation of various types of locks and semaphores.
 *
 * It can be replaced with `Promise.withResolvers()` in the future.
 */
export declare function createDefer<E = void>(): Defer<E>;