lastVersion := len(xlMeta.versions) == 0
	if !lastVersion {
		buf, err = xlMeta.AppendTo(metaDataPoolGet())
		defer metaDataPoolPut(buf)
		if err != nil {
			return err
		}

		return s.WriteAll(ctx, volume, pathJoin(path, xlStorageFormatFile), buf)
	}

	return s.deleteFile(volumeDir, pathJoin(volumeDir, path, xlStorageFormatFile), true, false)
}

	// Initialize a new xlStorage layer.
	storage, err := newLocalXLStorageWithDiskIdx(diskPath, 3)
	if err != nil {
		return nil, "", err
	}

	// Create a sample format.json file

    assertThat(stream.readBytes.total).isEqualTo(0L)
    assertThat(stream.takeHeaders()).isEqualTo(headersOf("a", "android"))
    val source = stream.source
    val buffer = Buffer()
    buffer.writeAll(source)
    assertThat(source.read(buffer, 1)).isEqualTo(-1)
    assertThat(buffer.size).isEqualTo(150)
    val synStream = peer.takeFrame()
    assertThat(synStream.type).isEqualTo(Http2.TYPE_HEADERS)