public static CycleDetectingLockFactory newInstance(Policy policy) {
    return new CycleDetectingLockFactory(policy);
  }

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

  /**
   * Creates a {@link ReentrantLock} with the given fairness policy. The {@code lockName} is used in