/** * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ import type { JestHookEmitter, JestHookSubscriber } from './types'; declare type AvailableHooks = 'onFileChange' | 'onTestRunComplete' | 'shouldRunTestSuite'; declare class JestHooks { private _listeners; private _subscriber; private _emitter; constructor(); isUsed(hook: AvailableHooks): boolean; getSubscriber(): Readonly; getEmitter(): Readonly; } export default JestHooks;