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