/**
 * Helper functions for JavaScript/TypeScript package managers.
 *
 * @module
 */
import { PackageManager } from "../enums/PackageManager.js";
/**
 * Helper function to get the add command for a package manager. For example, the command for npm
 * is: `npm install foo --save`
 */
export declare function getPackageManagerAddCommand(packageManager: PackageManager, dependency: string): string;
/**
 * Helper function to get the add development command for a package manager. For example, the
 * command for npm is: `npm install foo --save-dev`
 */
export declare function getPackageManagerAddDevCommand(packageManager: PackageManager, dependency: string): string;
/**
 * Helper function to get the exec command for a package manager. For example, the command for npm
 * is: `npx`
 */
export declare function getPackageManagerExecCommand(packageManager: PackageManager): string;
/**
 * Helper function to look at the lock files in a given directory in order to infer the package
 * manager being used for the project.
 *
 * @throws If two or more lock files were found.
 */
export declare function getPackageManagerForProject(packageRoot: string): Promise<PackageManager | undefined>;
/**
 * Helper function to get the continuous integration install command for a package manager. For
 * example, the command for npm is: `npm ci`
 */
export declare function getPackageManagerInstallCICommand(packageManager: PackageManager): string;
/**
 * Helper function to get the install command for a package manager. For example, the command for
 * npm is: `npm install`
 */
export declare function getPackageManagerInstallCommand(packageManager: PackageManager): string;
/**
 * Helper function to get the corresponding lock file name for a package manager. For example, the
 * package lock file for npm is "package-lock.json".
 */
export declare function getPackageManagerLockFileName(packageManager: PackageManager): string;
/** Helper function to get an array containing every package manager lock file name. */
export declare function getPackageManagerLockFileNames(): readonly string[];
/**
 * Helper function to look at the lock files in a given directory in order to detect the package
 * manager being used for the project.
 *
 * Since 2 or more different kinds of lock files can exist, this will return an array containing all
 * of the package managers found. If no lock files were found, this will return an empty array.
 */
export declare function getPackageManagersForProject(packageDir: string): Promise<readonly PackageManager[]>;
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