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();
    }

    }

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

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

    @Nonnull
    @Override
    public Path getPomPath() {
        return nonNull(project.getFile(), "pomPath").toPath();
    }

    @Override

    public MavenProject getProject() {
        return project;
    }

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

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

        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() {

        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);

    }

    @Override
    public Model findModel(Artifact artifact) {
        MavenProject project = getProject(artifact);
        return project == null ? null : project.getModel().getDelegate();
    }

    //
    // Implementation
    //

    private File findArtifact(MavenProject project, Artifact artifact) {
        // POMs are always returned from the file system

            String projectId = projectVertex.getLabel();

            MavenProject project = projectMap.get(projectId);

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

            //

            project.setProjectBuildingRequest(request);

            // pluginArtifacts
            Set<Artifact> pluginArtifacts = new HashSet<>();
            for (Plugin plugin : project.getModel().getDelegate().getBuild().getPlugins()) {
                Artifact artifact = repositorySystem.createPluginArtifact(new org.apache.maven.model.Plugin(plugin));

                if (artifact != null) {

     */
    boolean matchesRequirements(Map<String, String> requirements);

    /**
     *
     * @return the original model wrapped by this interface
     */
    ToolchainModel getModel();

 * expressions.
 *
 * @since 4.0.0
 */
@Experimental
public interface MojoExecution {

    @Nonnull
    Plugin getPlugin();

    @Nonnull
    PluginExecution getModel();

    @Nonnull
    MojoDescriptor getDescriptor();

    @Nonnull
    String getExecutionId();

    @Nonnull
    String getGoal();

    @Nonnull
    String getLifecyclePhase();