}

  @Override
  protected final void tearDown() {
    tearDownStack.runTearDown();
  }

  private String enter() {
    return interruptible ? "enterInterruptibly" : "enter";
  }

  private String tryEnter() {
    return "tryEnter";
  }

  private String enterIf() {
    return interruptible ? "enterIfInterruptibly" : "enterIf";
  }

  }

  @Override
  protected final void tearDown() {
    tearDownStack.runTearDown();
  }

  private String enter() {
    return interruptible ? "enterInterruptibly" : "enter";
  }

  private String tryEnter() {
    return "tryEnter";
  }

  private String enterIf() {
    return interruptible ? "enterIfInterruptibly" : "enterIf";
  }

   * @since 33.4.0 (but since 28.0 in the JRE flavor)
   */
  @IgnoreJRERequirement // Users will use this only if they're already using Duration.
  public boolean enterInterruptibly(Duration time) throws InterruptedException {
    return enterInterruptibly(toNanosSaturated(time), NANOSECONDS);
  }

  /**
   * Enters this monitor. Blocks at most the given time, and may be interrupted.
   *