if (parentData == null) {
                currentData = superData;
            } else if (currentData == resultData) { // First iteration - add initial id after version resolution.
                currentData.setGroupId(
                        currentData.getRawModel().getGroupId() == null
                                ? parentData.getGroupId()
                                : currentData.getRawModel().getGroupId());

    }

    public String toDomainString() {
        return groupId + ":" + artifactId;
    }

    public String getGroupId() {
        return groupId;
    }

    public void setGroupId(String groupId) {
        this.groupId = groupId;
    }

    public String getArtifactId() {
        return artifactId;
    }

    public void setArtifactId(String name) {

        mojoDescriptor.setPhase(phaseName);
        final PluginDescriptor descriptor = new PluginDescriptor();
        Plugin plugin = new Plugin();
        plugin.setGroupId("org.apache.maven.test.MavenExecutionPlan");
        plugin.setArtifactId("stub-plugin-" + phaseName);
        descriptor.setPlugin(plugin);
        descriptor.setArtifactId("artifact." + phaseName);

    }

    private MavenProject createMavenProject(String artifactId) {
        MavenProject mavenProject = new MavenProject();
        mavenProject.setGroupId("org.apache.maven");
        mavenProject.setArtifactId(artifactId);
        mavenProject.setVersion("1.0");
        mavenProject.setFile(new File(artifactId, "some-dir"));

                    if (relocation != null) {
                        if (relocation.getGroupId() != null) {
                            artifact.setGroupId(relocation.getGroupId());
                            relocatedArtifact = artifact;
                            project.setGroupId(relocation.getGroupId());
                        }
                        if (relocation.getArtifactId() != null) {

                            mojo.getGoal(),
                            phase);
                    continue;
                }

                Plugin plugin = new Plugin();
                plugin.setGroupId(gs.groupId);
                plugin.setArtifactId(gs.artifactId);
                plugin.setVersion(gs.version);

                plugin.setLocation("", location);

        assertNotNull(adjustment);

        assertEquals("..", adjustment);
    }

    @Test
    void testIdentityProtoInheritance() {
        Parent parent = new Parent();

        parent.setGroupId("test-group");
        parent.setVersion("1000");
        parent.setArtifactId("test-artifact");

        Model model = new Model();

        model.setParent(parent);
        model.setArtifactId("real-artifact");

        Build build = model.getBuild();

        if (build != null) {
            for (Extension extension : build.getExtensions()) {
                Plugin plugin = new Plugin();
                plugin.setGroupId(extension.getGroupId());
                plugin.setArtifactId(extension.getArtifactId());
                plugin.setVersion(extension.getVersion());

        //
        // We should get a whole slew of dependencies resolving this artifact transitively
        //
        Dependency d = new Dependency();
        d.setGroupId("org.apache.maven.its");
        d.setArtifactId("b");
        d.setVersion("0.1");
        d.setScope(Artifact.SCOPE_COMPILE);
        Artifact artifact = repositorySystem.createDependencyArtifact(d);

        }
    }

    @Override
    public void selectVersion(String version) {
        this.version = version;
        setBaseVersionInternal(version);
    }

    @Override
    public void setGroupId(String groupId) {
        this.groupId = groupId;
    }

    @Override
    public void setArtifactId(String artifactId) {
        this.artifactId = artifactId;
    }

    @Override