Method tailSet

guava/src/com/google/common/collect/Maps.java:3967–3970

(@ParametricNullness K fromElement)

    }

    @Override
    public SortedSet<K> tailSet(@ParametricNullness K fromElement) {
      return new SortedKeySet<>(map().tailMap(fromElement));
    }

    @Override
    @ParametricNullness