docs: @Override
      public V get(Object key)
      {
          BinarySet<Entry<K,V>> es = (BinarySet<Entry<K,V>>) entrySet;
          Entry<K, V> entry = entry((K) key, null);
          Entry<K, V> res = es.get(entry);
          if (res != null)
          {
              return res.getValue();
          }
          return null;
      }