export declare enum PackageManagerType {
    yarn = "yarn",
    npm = "npm"
}
export declare class PackageManagerService {
    static detectPackageManager(dirPath: string): PackageManagerType;
    static addDevPackage(packageName: string, dirPath: string): Promise<void>;
    static isMonorepo(dirPath: string): Promise<boolean>;
    static isPackageInstalled(packageName: string, dirPath: string): Promise<boolean>;
    private static execCommand;
}