return string;
      }
    };
  }

  // collect
  @Generates
  <T> Comparator<T> generateComparator() {
    return generateOrdering();
  }

  @Generates
  <T extends @Nullable Object> Ordering<T> generateOrdering() {
    return new Ordering<T>() {
      @Override
      @SuppressWarnings("UnusedVariable") // intentionally weird Comparator
      public int compare(T left, T right) {