@Override
  void lockedQuery(Object key, int operator, Collection results, Set keysToRemove,
      ExecutionContext context) throws TypeMismatchException, FunctionDomainException,
      NameResolutionException, QueryInvocationTargetException {
    lockedQueryPrivate(key, operator, results, null, null, context, keysToRemove, null, null,
        true);
  }
@param add true if adding, false if removing from index
geode-core/src/main/java/org/apache/geode/cache/query/internal/index/HashIndex.java