*/
    V getLiveValue(ReferenceEntry<K, V> entry, long now) {
      if (entry.getKey() == null) {
        tryDrainReferenceQueues();
        return null;
      }
      V value = entry.getValueReference().get();
      if (value == null) {
        tryDrainReferenceQueues();
        return null;
      }

      if (map.isExpired(entry, now)) {
        tryExpireEntries(now);