public SortedMultiMap<K,V> subMap(K fromKey, K toKey) {
	return new TreeMultiMap<K,V>(map.subMap(fromKey, toKey), this);
    }
public SortedMultiMap < K , V > subMap ( K fromKey , K toKey ) { return new TreeMultiMap < K , V > ( map . subMap ( fromKey , toKey ) , this ) ; }
{@inheritDoc}