/** Invokes {@code latch.}{@link CountDownLatch#await() await()} uninterruptibly. */
  @J2ktIncompatible
  @GwtIncompatible // concurrency
  public static void awaitUninterruptibly(CountDownLatch latch) {
    boolean interrupted = false;
    try {
      while (true) {
        try {
          latch.await();
          return;
        } catch (InterruptedException e) {

	wg := sync.WaitGroup{}
	wg.Add(1000)
	for i := 0; i < 1000; i++ {
		go func(i int) {
			lc.Add(fmt.Sprintf("key-%d", i/10), fmt.Sprintf("val-%d", i/10))
			wg.Done()
		}(i)
	}
	wg.Wait()
	if lc.Len() != 100 {
		t.Fatalf("length differs from expected")
	}
}

func TestLRUInvalidateAndEvict(t *testing.T) {
	var evicted int
	lc := lru.NewLRU(-1, func(_, _ string) { evicted++ }, 0)

    }

    @Test
    void testExpiration() throws InterruptedException {
        // Registration should not be expired initially with long timeout
        assertFalse(registration.isExpired(60000));

        // Wait a bit to ensure some time has passed
        Thread.sleep(50);
        // Should be expired with very short timeout (shorter than sleep time)
        assertTrue(registration.isExpired(10));
    }

    @Test

				UserDefined:      userDefined,
			})
			if err != nil {
				errs[idx] = err
				return
			}
			objInfos[idx] = objInfo
		}(i, req)
	}
	wg.Wait()

	return objInfos, errs

                new IOException("Failed to reconnect after " + maxRetries + " attempts"));
        }
        
        return CompletableFuture.supplyAsync(() -> {
            try {
                // Wait before retry (except first attempt)
                if (attempt > 0) {
                    Thread.sleep(retryDelay * attempt);
                }
                
                // Create reconnect context

		g.Go(func() error {
			// Get the set where it would be placed.
			storageInfos[index] = getDiskInfos(ctx, pool.getHashedSet(object).getDisks()...)
			return nil
		}, index)
	}

	// Wait for the go routines.
	g.Wait()

	for i, zinfo := range storageInfos {
		if zinfo == nil {
			serverPools[i] = poolAvailableSpace{Index: i}
			continue
		}
		var available uint64
		if !isMinioMetaBucketName(bucket) {

                    endLatch.countDown();
                }
            });
        }

        // Start all threads
        startLatch.countDown();

        // Wait for completion
        assertTrue(endLatch.await(30, TimeUnit.SECONDS), "All threads should complete");
        executor.shutdown();

        // Then - All operations should succeed

					return
				}
			}

			// All versions resulted in 'ObjectNotFound/VersionNotFound'
			if versionNotFound == len(fivs.Versions) {
				return
			}

			send(healEntryDone(entry.name))

			// Wait and proceed if there are active requests
			waitForLowHTTPReq()
		}

		// How to resolve partial results.
		resolver := metadataResolutionParams{
			dirQuorum: 1,
			objQuorum: 1,
			bucket:    bucket,

			o.StopDiskAtLimit = true
		}
		listErr = z.listMerged(listCtx, o, filterCh)
		o.debugln("listMerged returned with", listErr)
	}(*o)

	entries, err = filteredResults()
	cancelList()
	wg.Wait()
	if listErr != nil && !errors.Is(listErr, context.Canceled) {
		return entries, listErr
	}
	entries.reuse = true
	truncated := entries.len() > o.Limit || err == nil
	entries.truncate(o.Limit)

        directoryLeaseManager.updateDirectoryCache(directoryPath, files);

        assertTrue(entry.isComplete());
        assertFalse(entry.needsRefresh());

        // Wait for expiration
        Thread.sleep(100);

        assertTrue(entry.isExpired());
        assertTrue(entry.needsRefresh());

        // After expiration, cache should be treated as invalid by manager