Project project = getProject();
        DependencyHandler dependencies = project.getDependencies();
        String kotlinVersion = new ExternalModulesExtension(4) {}.getKotlinVersion();
        return project.getConfigurations().detachedConfiguration(
            dependencies.create("org.jetbrains.kotlin:kotlin-compiler-embeddable:" + kotlinVersion)
        );
    }

        // TODO: in a typical project, this may need to be the regular javadoc task vs javadocAll

        var groovyPackageListBucket = project.getConfigurations().dependencyScope("groovyPackageListBucket");
        var groovyPackageListConf = project.getConfigurations().resolvable("groovyPackageList", conf -> {
            conf.setTransitive(false);
            conf.extendsFrom(groovyPackageListBucket.get());
        });

        assertNull(execution.getConfiguration());

        lifeCycleExecutionPlanCalculator.setupMojoExecution(
                session, session.getCurrentProject(), execution, new HashSet<>());
        assertNotNull(execution.getConfiguration());
        assertEquals("1.0", execution.getConfiguration().getChild("version").getAttribute("default-value"));
    }

    @Test

                + "  </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());
        assertEquals("configuration", node.name());

        } catch (Exception e) {
            throw new PluginContainerException(mojoDescriptor, pluginRealm, "Unable to lookup Mojo", e);
        }

        XmlNode dom = mojoExecution.getConfiguration() != null
                ? mojoExecution.getConfiguration().getDom()
                : null;

        PlexusConfiguration pomConfiguration;

        if (dom == null) {

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

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

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

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

                    dom = (Xpp3Dom) plugin.getConfiguration();

                    if (reportSetId != null) {
                        ReportSet reportSet = plugin.getReportSetsAsMap().get(reportSetId);
                        if (reportSet != null) {
                            Xpp3Dom executionConfiguration = (Xpp3Dom) reportSet.getConfiguration();
                            if (executionConfiguration != null) {

        MojoDescriptor mojoDescriptor = mojoExecution.getMojoDescriptor();

        XmlNode executionConfiguration = mojoExecution.getConfiguration() != null
                ? mojoExecution.getConfiguration().getDom()
                : null;
        if (executionConfiguration == null) {
            executionConfiguration = XmlNode.newInstance("configuration");
        }

                .findFirst()
                .orElse(null);
        assertNotNull(pluginExecution, "Wrong id for \"" + artifactId + "\"");

        String config = pluginExecution.getConfiguration().toString();
        assertTrue(
                config.contains(expectedConfig),
                "Wrong config for \"" + artifactId + "\": (" + config + ") does not contain :" + expectedConfig);
    }