private static void CheckArguments(PackageInfo packageInfo, IEnumerable <PackageDependency> dependencies, string packedPackagePath, string nuspecFilePath) { packageInfo.CheckArgumentNull(nameof(packageInfo)); dependencies.CheckArgumentNull(nameof(dependencies)); packedPackagePath.CheckArgumentNullOrWhiteSpace(nameof(packedPackagePath)); nuspecFilePath.CheckArgumentNullOrWhiteSpace(nameof(nuspecFilePath)); }