@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeBoolean(valid);
out.writeOptionalString(explanation);
out.writeOptionalString(error);
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeInt(numDocs);
out.writeInt(termsList.size());
for (TermInfo ti : termsList) ti.writeTo(out);
}