public async Task<IUnixDirectoryEntry> CreateDirectoryAsync(IUnixDirectoryEntry targetDirectory, string directoryName, CancellationToken cancellationToken)
{
var targetFolderItem = ((OneDriveDirectoryEntry)targetDirectory).Item;
var folderItem = await Service.CreateFolderAsync(Drive.Id, targetFolderItem.Id, directoryName, cancellationToken);
return new OneDriveDirectoryEntry(this, folderItem, false);
}