docs: private void releaseClientReference(final Entry<K, V> entry) {
      Preconditions.checkNotNull(entry);
      boolean isExclusiveAdded;
      CloseableReference<V> oldRefToClose;
      synchronized (this) {
        decreaseClientCount(entry);
        isExclusiveAdded = maybeAddToExclusives(entry);
        oldRefToClose = referenceToClose(entry);
      }
      CloseableReference.closeSafely(oldRefToClose);
      maybeNotifyExclusiveEntryInsertion(isExclusiveAdded ? entry : null);
      maybeUpdateCacheParams();
      maybeEvictEntries();
    }