Method subSet

corpus/java/training/guava/collect/Maps.java:3681–3684

(K fromElement, K toElement)

    }

    @Override
    public SortedSet<K> subSet(K fromElement, K toElement) {
      return new SortedKeySet<K, V>(map().subMap(fromElement, toElement));
    }

    @Override
    public SortedSet<K> headSet(K toElement) {