private IEnumerable <IDirectory> GetActualDirectories() => _fileSystem.InputPaths.Select(x => _fileSystem.GetRootDirectory(x.Combine(_path)));
private IEnumerable <IDirectory> GetExistingDirectories() => _fileSystem.InputPaths .Select(x => _fileSystem.GetRootDirectory(x.Combine(_path))) .Where(x => x.Exists);