@Nonnull
    Model getModel();

    /**
     * Shorthand method.
     *
     * @return the build element of the project model
     */
    @Nonnull
    default Build getBuild() {
        Build build = getModel().getBuild();
        return build != null ? build : Build.newInstance();
    }

    /**
     * Returns the path to the pom file for this project.

                + "      </plugin>\n"
                + "    </plugins>\n"
                + "  </build>\n"
                + "</project>";

        Model model = fromXml(xml);
        Plugin plugin = model.getBuild().getPlugins().get(0);
        XmlNode node = plugin.getConfiguration();
        assertNotNull(node);
        assertEquals("http://maven.apache.org/POM/4.0.0", node.namespaceUri());
        assertEquals("m", node.prefix());

    private PluginVersionResult resolveFromProject(PluginVersionRequest request) {
        PluginVersionResult result = null;

        if (request.getPom() != null && request.getPom().getBuild() != null) {
            Build build = request.getPom().getBuild();

            result = resolveFromProject(request, build.getPlugins());

            if (result == null && build.getPluginManagement() != null) {

        // Set a dummy pom file to establish the base directory
        project.setFile(new java.io.File("./pom.xml"));

        // Set build output directories
        project.getBuild().setOutputDirectory("target/classes");
        project.getBuild().setTestOutputDirectory("target/test-classes");

        // Add a resource source root to the project
        project.addSourceRoot(

                }
                for (Resource resource : project.getBuild().getDelegate().getResources()) {
                    project.addSourceRoot(new DefaultSourceRoot(baseDir, ProjectScope.MAIN, resource));
                }
                for (Resource resource : project.getBuild().getDelegate().getTestResources()) {

            throw new IllegalArgumentException("artifactId cannot be empty");
        }

        if (model != null) {
            Build build = model.getBuild();
            if (build != null) {
                for (Plugin plugin : build.getPlugins()) {
                    if (groupId.equals(plugin.getGroupId()) && artifactId.equals(plugin.getArtifactId())) {

        assertCollectorState(0, 0, 0, collector);

        List<Resource> outResources = out.getBuild().getResources();
        Iterator<Resource> resIt = outResources.iterator();

        assertEquals(model.getBuild().getSourceDirectory(), resIt.next().getDirectory());
    }

    @Test
    public void shouldInterpolateUnprefixedBasedirExpression() throws Exception {

        // Value taken from super model
        // ----------------------------------------------------------------------

        assertEquals("4.0.0", project4.getModelVersion());

        Build build = project4.getBuild();
        List<Plugin> plugins = build.getPlugins();

        Map<String, Integer> validPluginCounts = new HashMap<>();

        String testPluginArtifactId = "maven-compiler-plugin";

        BuildPlanCreator builder = new BuildPlanCreator(null, null, null, null, null, lifecycles);
        MavenProject p1 = new MavenProject();
        p1.setGroupId("g");
        p1.setArtifactId("p1");
        p1.getBuild().getPlugins().add(new Plugin(org.apache.maven.api.model.Plugin.newBuilder()
                .groupId("g").artifactId("p2")
                .
                .build()))
        MavenProject p2 = new MavenProject();

         * not interested in any of the executions bound to it.
         */

        for (Plugin plugin : project.getBuild().getPlugins()) {
            for (PluginExecution execution : plugin.getExecutions()) {
                // if the phase is specified then I don't have to go fetch the plugin yet and pull it down