/guava/guava/src/com/google/common/collect/ConcurrentHashMultiset.java
int oldValue = existingCounter.AtomicInteger( oldValue) ;
int oldValue = existingCounter.get ( ) ;
if (existingCounter == null) { return 0; } } } while (true) { <extra_id_0> if (oldValue == 0) { if (count == 0) { return 0; } else { AtomicInteger newCounter = new AtomicInteger(count); if ((countMap.putIfAbsent(element, newCounter) == null)