code: public List<R> getRuns() {
          List<R> resultList = new ArrayList<>();
          for (IndexedRun run : runs) {
              resultList.add(run.getRun());
          }
          return resultList;
      }
docs: Returns the list of runs that are aggregated. Depending on what modifications were done to the aggregated text
  this list may not return the same runs that were initially added to the aggregator.
  
  @return the list of aggregated runs.