import { PackageJson } from '../types';
declare type Return = Promise<{
    file: string;
    filename: string;
} | void>;
declare function backupPackageJson(packageJson: PackageJson, managedKeys?: PackageJson, previousManagedKeys?: PackageJson): Return;
export { backupPackageJson };
//# sourceMappingURL=backup-package-json.d.ts.map