class Checksum {

  public static boolean verifyChecksum(ByteString byteString,
      ChecksumData checksumData, int startIndex) throws OzoneChecksumException {
    final ByteBuffer buffer = byteString.asReadOnlyByteBuffer();
    return verifyChecksum(buffer, checksumData, startIndex);
  }

  public  Checksum(ChecksumType type, int bytesPerChecksum);
  @VisibleForTesting public  Checksum();

}