/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @noformat
 * @generated SignedSource<<4c299e390e413dabcafa756b03a0e274>>
 *
 * This file was translated from Flow by scripts/generateTypeScriptDefinitions.js
 * Original file: packages/metro-file-map/src/plugins/haste/getPlatformExtension.js
 * To regenerate, run:
 *   js1 build metro-ts-defs (internal) OR
 *   yarn run build-ts-defs (OSS) 
 */

declare function getPlatformExtension(file: string, platforms: ReadonlySet<string>): null | undefined | string;
export default getPlatformExtension;