return policy == Policies.DISABLED
        ? new ReentrantLock(fair)
        : new CycleDetectingReentrantLock(new LockGraphNode(lockName), fair);
  }

  /** Equivalent to {@code newReentrantReadWriteLock(lockName, false)}. */
  public ReentrantReadWriteLock newReentrantReadWriteLock(String lockName) {
    return newReentrantReadWriteLock(lockName, false);
  }

  /**