@Override
    public String toString() {
      int total = 0;
      for (Integer i : results.values()) {
        total += i;
      }
      return "(Results: " + total + ")";
    }
Adds a results map (mostly a bucket index lookup results) to the "this" IndexInfo.
geode-core/src/main/java/org/apache/geode/cache/query/internal/IndexTrackingQueryObserver.java