void enqueueNotification(
        @Nullable K key, int hash, @Nullable 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);