private synchronized void increaseCounters(Entry<K, V> entry) {
    Preconditions.checkNotNull(entry);
    Preconditions.checkState(!entry.isOrphan);
    entry.clientCount++;
    increaseAccessCount(entry);
  }
Increases the entry's client count and access count.
imagepipeline-base/src/main/java/com/facebook/imagepipeline/cache/AbstractAdaptiveCountingMemoryCache.java