@Override
  public boolean add(Object o) {
    // checkConstraint(o);
    if (limitImposed) {
      throw new UnsupportedOperationException(
          "Addition to the SelectResults not allowed as the query result is constrained by LIMIT");
    }
    return base.add(o);
  }
no-arg constructor required for DataSerializable
geode-core/src/main/java/org/apache/geode/cache/query/internal/ResultsCollectionWrapper.java