*/
public interface DependencyGraphNode extends ResolvedGraphVariant {
    boolean isRoot();

    DependencyGraphComponent getOwner();

    Collection<? extends DependencyGraphEdge> getIncomingEdges();

    Collection<? extends DependencyGraphEdge> getOutgoingEdges();

    /**
     * The outgoing file dependencies of this node. Should be modelled edges to another node, but are treated separately for now.
     */

        return new PotentialEdge(edge, toModuleVersionId, metadata, version);
    }

    private static boolean hasStrongOpinion(NodeState node) {
        for (EdgeState edgeState : node.getIncomingEdges()) {
            if (edgeState.getSelector().hasStrongOpinion()) {
                return true;
            }
        }
        return false;
    }

        this.builder = builder;
    }

    @Override
    public void visitNode(DependencyGraphNode node) {
        builder.newResolvedDependency(node);
        for (DependencyGraphEdge dependency : node.getIncomingEdges()) {
            if (dependency.getFrom().isRoot()) {
                Dependency moduleDependency = dependency.getOriginalDependency();
                if (moduleDependency != null) {

        fmt.append("' because different values for attribute '");
        fmt.append(attribute.toString());
        fmt.append("' are requested");
        fmt.startChildren();
        Set<EdgeState> incomingEdges = module.getIncomingEdges();
        incomingEdges.addAll(module.getUnattachedDependencies());
        for (EdgeState incomingEdge : incomingEdges) {
            SelectorState selector = incomingEdge.getSelector();

        }

        Set<EdgeState> allEdges = new LinkedHashSet<>();
        allEdges.addAll(module.getIncomingEdges());
        allEdges.addAll(module.getUnattachedDependencies());
        renderEdges(sb, allEdges);
        return sb.toString();
    }

    private void renderEdges(StringBuilder sb, Set<EdgeState> incomingEdges) {

        if (alreadySeen.add(component.getFrom())) {
            currentPath.add(0, component);
            for (EdgeState dependent : component.getFrom().getIncomingEdges()) {
                List<EdgeState> otherPath = Lists.newArrayList(currentPath);
                pathTo(dependent, otherPath, accumulator, alreadySeen);
            }
            if (component.getFrom().isRoot()) {

    }

    @Override
    public void visitEdges(DependencyGraphNode node) {
        boolean hasTransitiveIncomingEdge = false;
        for (DependencyGraphEdge dependency : node.getIncomingEdges()) {
            hasTransitiveIncomingEdge |= dependency.isTransitive();
            if (dependency.contributesArtifacts()) {
                DependencyGraphNode parent = dependency.getFrom();