@Override
  public boolean addAll(Collection coll) {
    if (limit > -1) {
      throw new UnsupportedOperationException(
          "Addition to the SelectResults not allowed as the query result is constrained by LIMIT");
    } else {
      return super.addAll(coll);
    }
  }
Return an iterator over the elements in this collection. Duplicates will show up the number of
times it has occurrences.
geode-core/src/main/java/org/apache/geode/cache/query/internal/Bag.java