docs: public Map<String, Integer> getAggregateResultCountSummary() {
  
          Map<String, Integer> summaryMap = new LinkedHashMap<String, Integer>();
  
          for (Entry<String, LinkedHashSet<String>> entry : aggregateResultMap
                  .entrySet()) {
              summaryMap.put(entry.getKey(), entry.getValue().size());
          }
  
          return summaryMap;
      }