@Override
  public boolean checkBytesAreTheSame(int valueId, Data value) throws IOException {
    int offset = valueId;
    try (CheckerOutputStream comparer = buildOldComparerStream(offset)) {
      DataOutput out = new DataOutputStream(comparer);
      dataDescriptor.save(out, value);
      return comparer.same;
    }
  }
@Override
  public boolean checkBytesAreTheSame(int valueId, Data value)