/// <summary>
 /// List all files descended from this reference.
 /// </summary>
 /// <param name="maxResults">Maximum results per page (absolute maximum is 1000)</param>
 /// <param name="pageToken">Next page token</param>
 /// <returns>A <see cref="StorageBucketList" /> object with the requested results.</returns>
 public async Task <StorageBucketList> ListFiles(int maxResults = 1000, string pageToken = null)
 => await storage.ListFiles(this, maxResults, pageToken);