@GuardedBy("this") void enqueueNotification( @NullableDecl K key, int hash, @NullableDecl V value, int weight, RemovalCause cause) { totalWeight -= weight; if (cause.wasEvicted()) { statsCounter.recordEviction(); } if (map.removalNotificationQueue != DISCARDING_QUEUE) { RemovalNotification<K, V> notification = RemovalNotification.create(key, value, cause); map.removalNotificationQueue.offer(notification); } }