docs: public synchronized List<RunT> getBuilds(RangeSet rs) {
          List<RunT> builds = new LinkedList<>();
  
          for (Range r : rs.getRanges()) {
              for (RunT b = getNearestBuild(r.start); b!=null && b.getNumber()<r.end; b=b.getNextBuild()) {
                  builds.add(b);
              }
          }
  
          return builds;
      }