// Establish an ordering from writeLockA -> writeLockB.
    writeLockA.lock();
    writeLockB.lock();
    writeLockB.unlock();
    writeLockA.unlock();

    // Establish an ordering from writeLockB -> writeLockC.
    writeLockB.lock();
    writeLockC.lock();
    writeLockB.unlock();

    // writeLockC -> writeLockA should fail.
    PotentialDeadlockException expected =

    // Establish an ordering from writeLockA -> writeLockB.
    writeLockA.lock();
    writeLockB.lock();
    writeLockB.unlock();
    writeLockA.unlock();

    // Establish an ordering from writeLockB -> writeLockC.
    writeLockB.lock();
    writeLockC.lock();
    writeLockB.unlock();

    // writeLockC -> writeLockA should fail.
    PotentialDeadlockException expected =

    Lock readLock = striped.get(key).readLock();
    WeakReference<Object> garbage = createGarbage();
    GcFinalization.awaitClear(garbage);
    Lock writeLock = striped.get(key).writeLock();
    readLock.lock();
    try {
      assertFalse(writeLock.tryLock());
    } finally {
      readLock.unlock();
    }
  }

  private WeakReference<Object> createGarbage() {

    Lock readLock = striped.get(key).readLock();
    WeakReference<Object> garbage = createGarbage();
    GcFinalization.awaitClear(garbage);
    Lock writeLock = striped.get(key).writeLock();
    readLock.lock();
    try {
      assertFalse(writeLock.tryLock());
    } finally {
      readLock.unlock();
    }
  }

  private WeakReference<Object> createGarbage() {

      this.writeLock = new CycleDetectingReentrantWriteLock(this);
      this.lockGraphNode = Preconditions.checkNotNull(lockGraphNode);
    }

    ///// Overridden ReentrantReadWriteLock methods. /////

    @Override
    public ReadLock readLock() {
      return readLock;
    }

    @Override
    public WriteLock writeLock() {
      return writeLock;
    }

            // we only allow 1 promotion job running at the same time to avoid website xml conflicts
            feature {
                type = "JetBrains.SharedResources"
                param("locks-param", "WebsiteReleasesXml writeLock")
            }
        }
    }

                        executeStep(step);
                        if (nextIsPlanning) {
                            lock.writeLock().lock();
                            try {
                                plan();
                            } finally {
                                lock.writeLock().unlock();
                            }
                        }
                        executePlan();