lockA.lock();
    lockA.lock();
    lockB.lock();
    lockB.lock();
    lockA.unlock();
    lockA.unlock();
    lockB.unlock();
    lockB.unlock();
  }

  public void testExplicitOrdering_acquiringMultipleLocksWithSameRank() {
    CycleDetectingLockFactory.WithExplicitOrdering<OtherOrder> factory =
        newInstanceWithExplicitOrdering(OtherOrder.class, Policies.THROW);