if (!completed) {
              completed = true
              progressListener.update(totalBytesWritten, contentLength(), completed)
            }
          }
        }

      val bufferedSink = forwardingSink.buffer()
      delegate.writeTo(bufferedSink)
      bufferedSink.flush()
    }
  }

  fun interface ProgressListener {
    fun update(
      bytesWritten: Long,

	if len(ri.Targets) == 0 {
		return replication.StatusType("")
	}
	completed := 0
	for _, v := range ri.Targets {
		switch v.ReplicationStatus {
		case replication.Failed:
			return replication.Failed
		case replication.Completed:
			completed++
		}
	}
	if completed == len(ri.Targets) {
		return replication.Completed
	}
	return replication.Pending
}

  }

  public void testGet() {
    Object computed = new Object();
    LoadingCache<Object, Object> cache =
        CacheBuilder.newBuilder()
            .maximumSize(0)
            .removalListener(listener)
            .build(constantLoader(computed));

    Object key = new Object();
    assertThat(cache.getUnchecked(key)).isSameInstanceAs(computed);

  }

  public void testGet() {
    Object computed = new Object();
    LoadingCache<Object, Object> cache =
        CacheBuilder.newBuilder()
            .maximumSize(0)
            .removalListener(listener)
            .build(constantLoader(computed));

    Object key = new Object();
    assertThat(cache.getUnchecked(key)).isSameInstanceAs(computed);

    assertSame(defaultThread.getThreadGroup(), thread.getThreadGroup());
    assertSame(defaultThread.getUncaughtExceptionHandler(), thread.getUncaughtExceptionHandler());

    assertFalse(completed);
    thread.start();
    thread.join();
    assertTrue(completed);

    // Creating a new thread from the same ThreadFactory will have the same
    // pool ID but a thread ID of 2.
    Thread thread2 = threadFactory.newThread(monitoredRunnable);

	return ETag(sum)
}

// VerifyError is an error signaling that a
// computed ETag does not match an expected
// ETag.
type VerifyError struct {
	Expected ETag
	Computed ETag
}

func (v VerifyError) Error() string {
	return fmt.Sprintf("etag: expected ETag %q does not match computed ETag %q", v.Expected, v.Computed)
}

// UUIDHash - use uuid to make md5sum
type UUIDHash struct {
	uuid []byte

			expectedSync: true,
		},
		{ // 4. replication status Complete
			name: "existing object replication on object in Completed replication status",
			info: ObjectInfo{
				Size:                      100,
				ReplicationStatusInternal: "arn1:COMPLETED",
				ReplicationStatus:         replication.Completed,
				VersionID:                 "a3348c34-c352-4498-82f0-1098e8b34df9",
			},

	}{
		{
			// restore in progress
			restoreStatus: ongoingRestoreObj(),
			ondisk:        false,
		},
		{
			// restore completed but expired
			restoreStatus: completedRestoreObj(time.Now().Add(-time.Hour)),
			ondisk:        false,
		},
		{
			// restore completed
			restoreStatus: completedRestoreObj(time.Now().Add(time.Hour)),
			ondisk:        true,
		},
	}

	for i, tc := range testCases {

    assertSame(defaultThread.getThreadGroup(), thread.getThreadGroup());
    assertSame(defaultThread.getUncaughtExceptionHandler(), thread.getUncaughtExceptionHandler());

    assertFalse(completed);
    thread.start();
    thread.join();
    assertTrue(completed);

    // Creating a new thread from the same ThreadFactory will have the same
    // pool ID but a thread ID of 2.
    Thread thread2 = threadFactory.newThread(monitoredRunnable);

  type: KClass<T>,
  compute: () -> T,
): T {
  var computed: T? = null

  while (true) {
    val tags = get()

    // If the element is already present. Return it.
    val existing = tags[type]
    if (existing != null) return existing

    if (computed == null) {
      computed = compute()
    }

    // If we successfully add the computed element, we're done.
    val newTags = tags.plus(type, computed)