pkg math/big, method (*Int) Text(int) string
pkg math/rand, func Read([]uint8) (int, error)
pkg math/rand, method (*Rand) Read([]uint8) (int, error)
pkg net, type DNSError struct, IsTemporary bool
pkg net, type Dialer struct, Cancel <-chan struct
pkg net/http, const MethodConnect = "CONNECT"
pkg net/http, const MethodConnect ideal-string
pkg net/http, const MethodDelete = "DELETE"
pkg net/http, const MethodDelete ideal-string

    // Play it back.
    connect(peer, PushObserver.CANCEL, Http2Connection.Listener.REFUSE_INCOMING_STREAMS)

    // Verify the peer received what was expected.
    val rstStream = peer.takeFrame()
    assertThat(rstStream.type).isEqualTo(Http2.TYPE_RST_STREAM)
    assertThat(rstStream.streamId).isEqualTo(2)
    assertThat(rstStream.errorCode).isEqualTo(ErrorCode.CANCEL)
  }

  /**

   * structure is not necessarily related to the processing format.
   *
   * @since 8.0
   */
  public static final byte ETB = 23;

  /**
   * Cancel: A control character used to indicate that the data with which it is sent is in error or
   * is to be disregarded.
   *
   * @since 8.0
   */
  public static final byte CAN = 24;

  /**

                        }
                    }
                }
            }
        } catch (final CrawlerSystemException e) {
            httpGet.cancel();
            throw e;
        } catch (final Exception e) {
            httpGet.cancel();
            throw new CrawlingAccessException("Could not process " + robotTxtUrl + ". ", e);
        } finally {
            try {

    
    public void stopWatching(String directoryPath) {
        ChangeNotificationHandle handle = activeWatchers.remove(directoryPath);
        if (handle != null) {
            handle.active = false;
            // Cancel any pending notifications
            cancelNotification(handle);
        }
    }
    
    private void startAsyncNotification(ChangeNotificationHandle handle) {
        CompletableFuture.runAsync(() -> {

    /** SMB2 lock file command */
    protected static final short SMB2_LOCK = 0x000A;
    /** SMB2 IO control command */
    protected static final short SMB2_IOCTL = 0x000B;
    /** SMB2 cancel command */
    protected static final short SMB2_CANCEL = 0x000C;
    /** SMB2 echo/keepalive command */
    protected static final short SMB2_ECHO = 0x000D;
    /** SMB2 query directory command */

    public static final String LABELS_crawling_info_delete_all_confirmation = "{labels.crawling_info_delete_all_confirmation}";

    /** The key of the message: Cancel */
    public static final String LABELS_crawling_info_delete_all_cancel = "{labels.crawling_info_delete_all_cancel}";

    /** The key of the message: Thread Dump */

	rng := rand.New(rand.NewSource(time.Now().UTC().UnixNano()))
	var d net.Dialer
	var retry int
	for retry < len(hosts) {
		ctx, cancel := context.WithTimeout(GlobalContext, 300*time.Millisecond)

		host = hosts[rng.Intn(len(hosts))]
		conn, err := d.DialContext(ctx, "tcp", host)
		cancel()
		if err != nil {
			retry++
			continue
		}
		conn.Close()
		break
	}

	return host
}

    assertFailed(future, cause);
  }

  public void testCanceled() throws Exception {
    assertThat(future.cancel(false /* mayInterruptIfRunning */)).isTrue();
    assertCancelled(future, false);
  }

  public void testInterrupted() throws Exception {
    assertThat(future.cancel(true /* mayInterruptIfRunning */)).isTrue();
    assertCancelled(future, true);
  }

    assertFailed(future, cause);
  }

  public void testCanceled() throws Exception {
    assertThat(future.cancel(false /* mayInterruptIfRunning */)).isTrue();
    assertCancelled(future, false);
  }

  public void testInterrupted() throws Exception {
    assertThat(future.cancel(true /* mayInterruptIfRunning */)).isTrue();
    assertCancelled(future, true);
  }