if (node.isChildOfRootNode() || !artifact.isOptional()) {
                                artifact.setDependencyTrail(node.getDependencyTrail());

                                set.add(node);

                                // This is required right now.
                                result.addArtifact(artifact);

        result.setFile(artifact.getFile());
        result.setResolved(artifact.getFile() != null);

        List<String> trail = new ArrayList<>(1);
        trail.add(result.getId());
        result.setDependencyTrail(trail);

        return result;
    }

    public static void toArtifacts(
            Collection<org.apache.maven.artifact.Artifact> artifacts,
            Collection<? extends DependencyNode> nodes,

        return artifactHandler;
    }

    @Override
    public List<String> getDependencyTrail() {
        return dependencyTrail;
    }

    @Override
    public void setDependencyTrail(List<String> dependencyTrail) {
        this.dependencyTrail = dependencyTrail;
    }

    @Override
    public void setScope(String scope) {
        this.scope = scope;
    }

    @Override