step2Waiter.awaitReturned();
    step4Waiter.awaitStarted();

    // Step 1 is not cancelled because it was done.
    assertWithMessage("step1.statusFuture().isCancelled()")
        .that(step1.statusFuture().isCancelled())
        .isFalse();
    // But its closeable is closed.
    assertClosed(closeable1);

    // Step 2 is cancelled because it wasn't complete.
    assertWithMessage("step2.statusFuture().isCancelled()")

					if err := healFreshDisk(ctx, z, disk); err != nil {
						globalBackgroundHealState.setDiskHealingStatus(disk, false)
						timedout := OperationTimedOut{}
						if !errors.Is(err, context.Canceled) && !errors.As(err, &timedout) && !errors.Is(err, errRetryHealing) {
							printEndpointError(disk, err, false)
						}
						return
					}
					// Only upon success pop the healed disk.

	ctx = lkctx.Context()
	defer nsLock.Unlock(lkctx)

	// Freeze all incoming S3 API calls before running speedtest.
	globalNotificationSys.ServiceFreeze(ctx, true)

	// Unfreeze as soon as request context is canceled or when the function returns.
	go func() {
		<-ctx.Done()
		globalNotificationSys.ServiceFreeze(ctx, false)
	}()

	durationStr := r.Form.Get(peerRESTDuration)

	err = saveConfig(ctx, objAPI, backgroundHealInfoPath, b)
	if err != nil {
		internalLogIf(ctx, err)
	}
}

// runDataScanner will start a data scanner.
// The function will block until the context is canceled.
// There should only ever be one scanner running per cluster.
func runDataScanner(ctx context.Context, objAPI ObjectLayer) {
	ctx, cancel := globalLeaderLock.GetLock(ctx)
	defer cancel()

}

// ReadMultiple will read multiple files and send each back as response.
// Files are read and returned in the given order.
// The resp channel is closed before the call returns.
// Only a canceled context or network errors returns an error.
func (client *storageRESTClient) ReadMultiple(ctx context.Context, req ReadMultipleReq, resp chan<- ReadMultipleResp) error {
	defer xioutil.SafeClose(resp)

  public boolean cancel(boolean mayInterruptIfRunning) {
    logger.get().log(FINER, "cancelling {0}", this);
    boolean cancelled = future.cancel(mayInterruptIfRunning);
    if (cancelled) {
      close();
    }
    return cancelled;
  }

  private void close() {
    logger.get().log(FINER, "closing {0}", this);
    closeables.close();
  }

	// syscall.SIGHUP to reload the certs.
	manager.ReloadOnSignal(syscall.SIGHUP)

	return x509Certs, manager, secureConn, nil
}

// contextCanceled returns whether a context is canceled.
func contextCanceled(ctx context.Context) bool {
	select {
	case <-ctx.Done():
		return true
	default:
		return false
	}
}

        ) = TODO()

        override fun callEnd(call: Call) = TODO()

        override fun callFailed(
          call: Call,
          ioe: IOException,
        ) = TODO()

        override fun canceled(call: Call) = TODO()
      }
    val none: EventListener = EventListener.NONE
  }

  @Test
  fun eventListenerBuilder() {
    var builder: EventListener.Factory = EventListener.Factory { TODO() }
  }

// The output channel will be closed when all inputs are emptied.
// If file names are equal, compareMeta is called to select which one to choose.
// The entry not chosen will be discarded.
// If the context is canceled the function will return the error,
// otherwise the function will return nil.
func mergeEntryChannels(ctx context.Context, in []chan metaCacheEntry, out chan<- metaCacheEntry, readQuorum int) error {

// Trace - send http trace request to peer nodes
func (client *peerRESTClient) Trace(ctx context.Context, traceCh chan<- []byte, traceOpts madmin.ServiceTraceOpts) {
	go func() {
		for {
			// Blocks until context is canceled or an error occurs.
			client.doTrace(ctx, traceCh, traceOpts)
			select {
			case <-ctx.Done():
				return
			default:
				// There was error in the REST request, retry after sometime as probably the peer is down.