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

    /** {@inheritDoc} */
    @Override
    public void setDependencyTrail(List<String> dependencyTrail) {
        artifact.setDependencyTrail(dependencyTrail);
    }

    /** {@inheritDoc} */
    @Override
    public void setScope(String scope) {
        artifact.setScope(scope);
    }

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

                                set.add(node);

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

    ArtifactFilter getDependencyFilter();

    void setDependencyFilter(ArtifactFilter artifactFilter);

    ArtifactHandler getArtifactHandler();

    List<String> getDependencyTrail();

    void setDependencyTrail(List<String> dependencyTrail);

    void setScope(String scope);

    VersionRange getVersionRange();

    void setVersionRange(VersionRange newRange);

    void selectVersion(String version);

        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

            children = new ArrayList<>(artifacts.size());

            for (Artifact a : artifacts) {
                if (parents.contains(a.getDependencyConflictId())) {
                    a.setDependencyTrail(getDependencyTrail());

                    throw new CyclicDependencyException("A dependency has introduced a cycle", a);
                }

        if (artifact.getVersion() != null) {
            clone.setBaseVersion(artifact.getBaseVersion());
        }
        clone.setDependencyFilter(artifact.getDependencyFilter());
        clone.setDependencyTrail(copyList(artifact.getDependencyTrail()));
        clone.setDownloadUrl(artifact.getDownloadUrl());
        clone.setRepository(artifact.getRepository());

        return clone;
    }

    /**