type PackageManager = "yarn" | "pnpm" | "npm";
export declare function getInstalledPackageVersion(packageName: string, cwd: string): Promise<string | null>;
export declare function getPackageManager(cwd: string): Promise<PackageManager>;
export declare function getLatestPackageVersion(packageName: string): Promise<any>;
export declare function makePackageSpecifier(packageName: string, packageVersion: string): string;
export {};
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