/**
 * 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
 * @oncall react_native
 * @generated SignedSource<<ff45e3f898323a5e87fef9dac3cf96a8>>
 *
 * This file was translated from Flow by scripts/generateTypeScriptDefinitions.js
 * Original file: packages/metro/src/node-haste/PackageCache.js
 * To regenerate, run:
 *   js1 build metro-ts-defs (internal) OR
 *   yarn run build-ts-defs (OSS) 
 */

import type {PackageJson} from 'metro-resolver/private/types';

type GetClosestPackageFn = (absoluteFilePath: string) => null | undefined | {packageJsonPath: string; packageRelativePath: string};
type ReadPackageJsonFn = (absolutePackageJsonPath: string) => PackageJson;
type PackageForModule = Readonly<{
  packageJson: PackageJson;
  rootPath: string;
  packageRelativePath: string;
}>;
export declare class PackageCache {
  constructor(options: {getClosestPackage: GetClosestPackageFn; readPackageJson?: ReadPackageJsonFn | undefined});
  getPackage(filePath: string): Readonly<{rootPath: string; packageJson: PackageJson}>;
  getPackageForModule(absoluteModulePath: string): null | undefined | PackageForModule;
  invalidate(filePath: string): void;
}