code: public Collection<StarSelectItem> getQualifiedStarSelectItems() {
          Collection<StarSelectItem> result = new LinkedList<>();
          for (SelectItem each : items) {
              if (each instanceof StarSelectItem && ((StarSelectItem) each).getOwner().isPresent()) {
                  result.add((StarSelectItem) each);
              }
          }
          return result;
      }
docs: Get qualified star select items.
  
  @return qualified star select items