acquiredLockList.remove(i);
          break;
        }
      }
    }
  }

  final class CycleDetectingReentrantLock extends ReentrantLock implements CycleDetectingLock {

    private final LockGraphNode lockGraphNode;

    private CycleDetectingReentrantLock(LockGraphNode lockGraphNode, boolean fair) {
      super(fair);
      this.lockGraphNode = Preconditions.checkNotNull(lockGraphNode);