if ((groupId == null) && (getModel().getParent() != null)) {
            groupId = getModel().getParent().getGroupId();
        }

        return groupId;
    }

    public void setArtifactId(String artifactId) {
        getModel().setArtifactId(artifactId);
    }

    public String getArtifactId() {
        return getModel().getArtifactId();
    }

        pluginProject.getModel().setParent(createParent(parentProject));
        projects.add(pluginProject);

        Plugin plugin = createPlugin(pluginProject);

        plugin.addDependency(createDependency(pluginLevelDepProject));

        Build build = declaringProject.getModel().getBuild();

        build.addPlugin(plugin);

        declaringProject.getModel().setBuild(build);

            if (!Objects.equals(type, other.type)) {
                return false;
            }

            Properties thisProvides = this.getModel().getProvides();
            Properties otherProvides = other.getModel().getProvides();

            return Objects.equals(thisProvides, otherProvides);
        } else {
            return false;
        }
    }

    @Override

    }

    @Nonnull
    @Override
    public Packaging getPackaging() {
        return packaging;
    }

    @Nonnull
    @Override
    public Model getModel() {
        return project.getModel().getDelegate();
    }

    @Nonnull
    @Override
    public Path getPomPath() {
        return Objects.requireNonNull(project.getFile(), "pomPath cannot be null")

            String projectId = projectVertex.getLabel();

            MavenProject project = projectMap.get(projectId);

            for (Dependency dependency : project.getModel().getDelegate().getDependencies()) {
                addEdge(
                        projectMap,
                        vertexMap,
                        project,
                        projectVertex,

        return delegate;
    }

    @Override
    public Plugin getPlugin() {
        return new Plugin() {
            @Override
            public org.apache.maven.api.model.Plugin getModel() {
                return delegate.getPlugin().getDelegate();
            }

            @Override
            public PluginDescriptor getDescriptor() {

        assertNotNull(childProject.getParent());
        assertEquals("1", childProject.getParent().getVersion());
        assertNotNull(childProject.getModel().getParent());
        assertEquals("[1,10]", childProject.getModel().getParent().getVersion());
    }

    /**
     * Tests whether local version range parent references are built correctly.
     */
    @Test

        testInheritance(baseName, true);
    }

    public void testInheritance(String baseName, boolean fromRepo) throws IOException {
        Model parent = getModel(baseName + "-parent");

        Model child = getModel(baseName + "-child");

        if (fromRepo) {
            // when model is read from repo, a stream is used, then pomFile == null

        return project;
    }

    @Override
    public List<Dependency> getDependencies() {
        return project.getModel().getDependencies();
    }

    @Override
    public List<Dependency> getManagedDependencies() {
        DependencyManagement depMngt = project.getModel().getDependencyManagement();
        return (depMngt != null) ? Collections.unmodifiableList(depMngt.getDependencies()) : Collections.emptyList();

    /**
     * Gets the model being built. The precise state of this model depends on the event being fired.
     *
     * @return The model being built, never {@code null}.
     */
    Model getModel();

    /**
     * Gets the model building request being processed.
     *
     * @return The model building request being processed, never {@code null}.
     */
    ModelBuildingRequest getRequest();