@CanIgnoreReturnValue
  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();
  }

// Signed divide by power of 2.
// n / c =       n >> log(c) if n >= 0
//       = (n+c-1) >> log(c) if n < 0
// We conditionally add c-1 by adding n>>63>>(64-log(c)) (first shift signed, second shift unsigned).
(Div8  <t> n (Const8  [c])) && isPowerOfTwo8(c) =>
  (Rsh8x64
    (Add8  <t> n (Rsh8Ux64  <t> (Rsh8x64  <t> n (Const64 <typ.UInt64> [ 7])) (Const64 <typ.UInt64> [int64( 8-log8(c))])))
    (Const64 <typ.UInt64> [int64(log8(c))]))

  @CanIgnoreReturnValue
  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();
  }

//	    If a test binary runs longer than duration d, panic.
//	    If d is 0, the timeout is disabled.
//	    The default is 10 minutes (10m).
//
//	-v
//	    Verbose output: log all tests as they are run. Also print all
//	    text from Log and Logf calls even if the test succeeds.
//
//	-vet list
//	    Configure the invocation of "go vet" during "go test"
//	    to use the comma-separated list of vet checks.

    /** The key of the message: Log Files */
    public static final String LABELS_menu_log = "{labels.menu_log}";

    /** The key of the message: Job Log */
    public static final String LABELS_menu_jobLog = "{labels.menu_jobLog}";

    /** The key of the message: Search Log */
    public static final String LABELS_menu_searchLog = "{labels.menu_searchLog}";

    while ((notification = removalNotificationQueue.poll()) != null) {
      try {
        removalListener.onRemoval(notification);
      } catch (Throwable e) {
        logger.log(Level.WARNING, "Exception thrown by removal listener", e);
      }
    }
  }

  @SuppressWarnings("unchecked")
  final Segment<K, V>[] newSegmentArray(int ssize) {