/// <summary>
 /// Starts the deletion of a bucket.
 /// Throws KeysNotFoundException
 /// </summary>
 /// <param name="bucketId">The Id of the bucket to delete</param>
 /// <param name="storj">The storj-object</param>
 public DeleteBucketCallbackAsync(string bucketId, io.storj.libstorj.Storj storj)
 {
     try
     {
         storj.deleteBucket(bucketId, this);
     }
     catch (io.storj.libstorj.KeysNotFoundException)
     {
         throw new KeysNotFoundException();
     }
 }