@Override
  public void beforeCutDownAndExpansionOfSingleIndexResult(Index index, Collection initialResult) {}
Asif : Invoked just before doing expansion or cutdown of results obtained from index usage for
a filter evaluatable , non composite condition i.e for a single base collection.

@param index The index used by the filter evaluatable condition
@param initialResult The raw resultset obtained for the condition
geode-core/src/main/java/org/apache/geode/cache/query/internal/QueryObserverAdapter.java