//   and we could use that to make a decision about whether or not we timed out prior to being
  //   unparked.

  @SuppressWarnings({
    "LabelledBreakTarget", // TODO(b/345814817): Maybe fix?
    "nullness", // TODO(b/147136275): Remove once our checker understands & and |.
  })
  @ParametricNullness
  final V blockingGet(long timeout, TimeUnit unit)

   * @throws InterruptedException if interrupted while waiting
   */
  @SuppressWarnings({
    "GoodTime", // should accept a java.time.Duration
    "LabelledBreakTarget", // TODO(b/345814817): Maybe fix.
  })
  public boolean enterWhen(Guard guard, long time, TimeUnit unit) throws InterruptedException {
    long timeoutNanos = toSafeNanos(time, unit);
    if (guard.monitor != this) {