// indicate it contains up to 1 << 128 - 1 files. Since each file has a
	// header which will be _at least_ 30 bytes we can safely preallocate
	// if (data size / 30) >= end.directoryRecords.
	if end.directorySize < uint64(size) && (uint64(size)-end.directorySize)/30 >= end.directoryRecords {
		r.File = make([]*File, 0, end.directoryRecords)
	}
	r.Comment = end.comment
	rs := io.NewSectionReader(rdr, 0, size)

     * Change notification handle
     */
    public static class ChangeNotificationHandle {
        private final String directoryPath;
        private final Smb2LeaseKey leaseKey;
        private final SmbFile directoryFile;
        private volatile boolean active;
        private CompletableFuture<Void> notificationFuture;

        /**
         * Create a new change notification handle
         *

        private final Smb2LeaseKey leaseKey;
        private final SmbFile directoryFile;
        private volatile boolean active;
        
        public ChangeNotificationHandle(String path, Smb2LeaseKey key, SmbFile dir) {
            this.directoryPath = path;
            this.leaseKey = key;
            this.directoryFile = dir;
            this.active = true;
        }
    }