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							- /**
 
-  * 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.
 
-  */
 
- /// <reference types="node" />
 
- import { Context } from 'vm';
 
- import type { JestEnvironment } from '@jest/environment';
 
- import { LegacyFakeTimers, ModernFakeTimers } from '@jest/fake-timers';
 
- import type { Config, Global } from '@jest/types';
 
- import { ModuleMocker } from 'jest-mock';
 
- declare type Timer = {
 
-     id: number;
 
-     ref: () => Timer;
 
-     unref: () => Timer;
 
- };
 
- declare class NodeEnvironment implements JestEnvironment<Timer> {
 
-     context: Context | null;
 
-     fakeTimers: LegacyFakeTimers<Timer> | null;
 
-     fakeTimersModern: ModernFakeTimers | null;
 
-     global: Global.Global;
 
-     moduleMocker: ModuleMocker | null;
 
-     constructor(config: Config.ProjectConfig);
 
-     setup(): Promise<void>;
 
-     teardown(): Promise<void>;
 
-     getVmContext(): Context | null;
 
- }
 
- export = NodeEnvironment;
 
 
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