final LoadingCache<K, ?> cache,
      final K key,
      int nThreads,
      final CountDownLatch gettersStartedSignal)
      throws InterruptedException {

    final AtomicReferenceArray<Object> result = new AtomicReferenceArray<>(nThreads);
    final CountDownLatch gettersComplete = new CountDownLatch(nThreads);
    for (int i = 0; i < nThreads; i++) {
      final int index = i;
      Thread thread =