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")
            }
        }
    }

            if (session.getRequest().getDegreeOfConcurrency() > 1) {
                boolean aggregator = mojoDescriptor.isAggregator();
                acquiredAggregatorLock = aggregator ? aggregatorLock.writeLock() : aggregatorLock.readLock();
                acquiredProjectLock = getProjectLock(session);
                if (!acquiredAggregatorLock.tryLock()) {
                    Thread owner = aggregatorLock.getOwner();

		// Check if minimally a single bool is set in the writeLocks array
		lockFound := false
		for _, uid := range dm.writeLocks {
			if isLocked(uid) {
				lockFound = true
				break
			}
		}
		if !lockFound {
			panic("Trying to Unlock() while no Lock() is active")
		}

		// Copy write locks to stack array
		copy(locks, dm.writeLocks)
	}