public ObjectType getResultType() {
      return cumulativeResults.getCollectionType()
          .getElementType();
    }
This class is used to accumulate information about indexes used in multipleThreads and results
gained from buckets. In future this can be used for adding for more information to final query
running info from pool threads.

@since GemFire 6.6
geode-core/src/main/java/org/apache/geode/internal/cache/PartitionedRegionQueryEvaluator.java