class SortedMapWritable extends AbstractMapWritable implements SortedMap<K, Writable> {

  @Override
  public void putAll(Map<? extends K, ? extends Writable> t) {
    for (Map.Entry<? extends K, ? extends Writable> e:
      t.entrySet()) {
      put(e.getKey(), e.getValue());
    }
  }

  public  SortedMapWritable();
  public  SortedMapWritable(SortedMapWritable<K> other);

}