* earliest one wins. This applies to both executions scheduled with [TaskRunner.Queue.schedule] and
 * those implied by the returned execution delay.
 *
 * Cancellation
 * ------------
 *
 * Tasks may be canceled while they are waiting to be executed, or while they are executing.
 *
 * Canceling a task that is waiting to execute prevents that upcoming execution. Canceling a task

		dec, err := zstd.NewReader(bf, zstd.WithDecoderMaxWindow(16<<20))
		if err != nil {
			return err
		}
		defer dec.Close()
		r = dec
	case formatBZ2:
		ctx, cancel := context.WithCancel(ctx)
		defer cancel()
		r = pbzip2.NewReader(ctx, bf, pbzip2.DecompressionOptions(
			pbzip2.BZConcurrency((runtime.GOMAXPROCS(0)+1)/2),
			pbzip2.BZConcurrencyPool(bz2Limiter)))
	case formatLZ4:

		}
		r = gzr
		pr.closer = gzr
	case bzip2Type:
		ctx, cancel := context.WithCancel(context.Background())
		r = pbzip2.NewReader(ctx, scannedReader, pbzip2.DecompressionOptions(
			pbzip2.BZConcurrency((runtime.GOMAXPROCS(0)+1)/2),
			pbzip2.BZConcurrencyPool(bz2Limiter),
		))
		pr.closer = &nopReadCloser{fn: cancel}
	case zstdType:
		// Set a max window of 64MB. More than reasonable.

    assertThat(dispatcher.runningCalls())
      .containsExactlyInAnyOrder(a1, a2)
    assertThat(dispatcher.queuedCalls()).isEmpty()

    // Cancel some calls. That doesn't impact running or queued.
    a2.cancel()
    a3.cancel()
    assertThat(dispatcher.runningCalls())
      .containsExactlyInAnyOrder(a1, a2)
    assertThat(dispatcher.queuedCalls()).isEmpty()

    // Let the calls finish.

		if client == nil {
			continue
		}
		ng.Go(ctx, func() error {
			// Give 15 seconds to each remote call.
			// Errors are logged but not returned.
			ctx, cancel := context.WithTimeout(ctx, 15*time.Second)
			defer cancel()
			data, err := client.DownloadProfileData(ctx)
			if err != nil {
				reqInfo := (&logger.ReqInfo{}).AppendTags("peerAddress", client.host.String())

     * @return the following message
     */
    CommonServerMessageBlockRequest split ();


    /**
     * @return the size of this message
     */
    int size ();


    /**
     * @return create cancel request
     */
    CommonServerMessageBlockRequest createCancel ();


    /**
     * @param next
     * @return whether to allow chaining
     */

// are consistent with each other.
func TestListOnlineDisks(t *testing.T) {
	if runtime.GOOS == globalWindowsOSName {
		t.Skip()
	}

	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	obj, disks, err := prepareErasure16(ctx)
	if err != nil {
		t.Fatalf("Prepare Erasure backend failed - %v", err)
	}
	setObjectLayer(obj)

  override fun request(): Request = error("unexpected")

  override fun execute(): Response = error("unexpected")

  override fun enqueue(responseCallback: Callback): Unit = error("unexpected")

  override fun cancel(): Unit = error("unexpected")

  override fun isExecuted(): Boolean = error("unexpected")

  override fun isCanceled(): Boolean = error("unexpected")

  override fun timeout(): Timeout = error("unexpected")

      super.addListener(listener, executor);
    }

    @CanIgnoreReturnValue
    @Override
    public final boolean cancel(boolean mayInterruptIfRunning) {
      return super.cancel(mayInterruptIfRunning);
    }
  }

  FluentFuture() {}

  /**
   * Converts the given {@code ListenableFuture} to an equivalent {@code FluentFuture}.
   *

		}
	}

	// Check if target is a MinIO server and alive
	hcCtx, cancel := context.WithTimeout(ctx, 3*time.Second)
	scheme := "http"
	if tgt.Secure {
		scheme = "https"
	}
	result := <-sys.hcClient.Alive(hcCtx, madmin.AliveOpts{}, madmin.ServerProperties{
		Endpoint: tgt.Endpoint,
		Scheme:   scheme,
	})

	cancel()
	if result.Error != nil {