+ "  </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.getNamespaceUri());
        assertEquals("m", node.getPrefix());
        assertEquals("configuration", node.getName());

            authBuilder.addPrivateKey(server.getPrivateKey(), server.getPassphrase());
            authSelector.add(server.getId(), authBuilder.build());

            if (server.getConfiguration() != null) {
                XmlNode dom = server.getDelegate().getConfiguration();
                List<XmlNode> children = dom.getChildren().stream()
                        .filter(c -> !"wagonProvider".equals(c.getName()))

        this.callback = callback;
    }

    @Override
    public void configure(Binder binder) {
        if (extension.getKey() != null) {
            XmlNode configuration = extension.getConfiguration();
            if (configuration == null) {
                configuration = new XmlNodeImpl("configuration");
            }
            Function<String, String> cb = Interpolator.memoize(callback);

        assertEquals("activated", result.getEffectiveModel().getProperties().get("profile.file"));
        Xpp3Dom conf = (Xpp3Dom)
                result.getEffectiveModel().getBuild().getPlugins().get(0).getConfiguration();
        assertNotNull(conf);
        assertEquals("1.5", conf.getChild("source").getValue());
        assertEquals("  1.5  ", conf.getChild("target").getValue());
    }

    @Test

     * {@link javax.inject.Named} annotation.
     */
    public String getKey() {
        return key;
    }

    /**
     * Returns the configuration for this extension.
     */
    public XmlNode getConfiguration() {
        return configuration;
    }

    private static final ExtensionDescriptorBuilder BUILDER = new ExtensionDescriptorBuilder();

    public static CoreExtensionEntry discoverFrom(ClassRealm loader) {

        Objects.requireNonNull(request, "request cannot be null");
        Objects.requireNonNull(request.getBean(), "request.bean cannot be null");

        Object configuration = request.getConfiguration();
        if (configuration == null) {
            return;
        }

        PlexusConfiguration plexusConfig;
        if (configuration instanceof PlexusConfiguration) {

                        .priority(i - mojos.size())
                        .phase(phase)
                        .goals(List.of(goal))
                        .configuration(mojo.getConfiguration())
                        .location("", location)
                        .location("id", location)
                        .location("phase", location)
                        .location("goals", location)

            spec.getClasspath().from(calculateWorkerClasspath());
            spec.getForkOptions().setMaxHeapSize("1g");
        });
        queue.submit(JApiCmpWorkAction.class, params -> params.getConfiguration().set(calculateWorkerConfiguration(baseline, current)));
    }

    @Inject
    protected abstract WorkerExecutor getWorkerExecutor();

    private Set<File> calculateWorkerClasspath() {

                        .get("key"));
        org.codehaus.plexus.util.xml.Xpp3Dom toolchainConfiguration = (org.codehaus.plexus.util.xml.Xpp3Dom)
                result.getEffectiveToolchains().getToolchains().get(0).getConfiguration();
        assertEquals(
                interpolatedValue, toolchainConfiguration.getChild("jdkHome").getValue());
        assertNotNull(result.getProblems());
        assertEquals(0, result.getProblems().size());

                realm,
                Collections.singleton(artifacts.get(0).getFile()),
                extension.getGroupId() + ":" + extension.getArtifactId(),
                extension.getConfiguration());
    }

    private List<Artifact> resolveExtension(
            CoreExtension extension,
            RepositorySystemSession repoSession,
            List<RemoteRepository> repositories,