}

    @Override
    public void clear() {
      if (submap == map) {
        AbstractMapBasedMultimap.this.clear();
      } else {
        Iterators.clear(new AsMapIterator());
      }
    }

    Entry<K, Collection<V>> wrapEntry(Entry<K, Collection<V>> entry) {
      K key = entry.getKey();
      return immutableEntry(key, wrapCollection(key, entry.getValue()));
    }