@Override
          public void accept(ReferenceEntry<Integer, Integer> entry) {
            cache.getUnchecked(entry.getKey());
          }
        });
  }

  public void testUpdateRecency_onInvalidate() {
    IdentityLoader<Integer> loader = identityLoader();
    LoadingCache<Integer, Integer> cache =
        CacheBuilder.newBuilder().maximumSize(MAX_SIZE).concurrencyLevel(1).build(loader);