*/
    public void addExtension(CoreExtension coreExtension) {
        getExtensions().add(coreExtension);
    } // -- void addExtension( CoreExtension )

    /**
     * Method getExtensions.
     *
     * @return List
     */
    public List<CoreExtension> getExtensions() {
        if (this.extensions == null) {
            this.extensions = new ArrayList<CoreExtension>();
        }

        ProjectLayout layout = project.getLayout();
        TaskContainer tasks = project.getTasks();
        ObjectFactory objects = project.getObjects();

        GradleDocumentationExtension extension = project.getExtensions().create("gradleDocumentation", GradleDocumentationExtension.class);
        applyConventions(project, tasks, objects, layout, extension);

                            List.copyOf(new CoreExtensionsStaxReader()
                                    .read(is, true, InputSource.of(extensionsFile.toString()))
                                    .getExtensions()),
                            allowMetaVersions);
                }
            }
            return List.of();
        } catch (XMLStreamException | IOException e) {

                "http://maven.apache.org/EXTENSIONS/1.1.0 https://maven.apache.org/xsd/core-extensions-1.1.0.xsd");
        if ((coreExtensions.getExtensions() != null)
                && (coreExtensions.getExtensions().size() > 0)) {
            for (Iterator iter = coreExtensions.getExtensions().iterator(); iter.hasNext(); ) {
                CoreExtension o = (CoreExtension) iter.next();

        // TODO: destinationDirectory should be part of Javadoc
        javadocs.getRenderedDocumentation().from(javadocAll.flatMap(task -> (DirectoryProperty) task.getExtensions().getExtraProperties().get("destinationDirectory")));

        CheckstyleExtension checkstyle = project.getExtensions().getByType(CheckstyleExtension.class);
        tasks.register("checkstyleApi", Checkstyle.class, task -> {
            task.source(extension.getDocumentedSource());

    @Override
    public void apply(Project project) {
        ProjectLayout layout = project.getLayout();
        TaskContainer tasks = project.getTasks();

        GradleDocumentationExtension extension = project.getExtensions().getByType(GradleDocumentationExtension.class);

        generateReleaseNotes(project, layout, tasks, extension);
    }

    @Override
    public void apply(Project project) {
        ProjectLayout layout = project.getLayout();
        TaskContainer tasks = project.getTasks();

        GradleDocumentationExtension extension = project.getExtensions().getByType(GradleDocumentationExtension.class);
        generateDefaultImports(project, tasks, extension);
        generateUserManual(project, tasks, layout, extension);

    private static final String TASK_NAME = "dokkaGeneratePublicationHtml";

    @Override
    public void apply(Project project) {
        GradleDocumentationExtension documentationExtension = project.getExtensions().getByType(GradleDocumentationExtension.class);
        applyPlugin(project);
        updateDocumentationExtension(project, documentationExtension);
        configurePlugin(project, documentationExtension);
    }

    }

    private Configuration resolveKotlinCompilerEmbeddable() {
        Project project = getProject();
        DependencyHandler dependencies = project.getDependencies();
        VersionCatalog libs = project.getExtensions().getByType(VersionCatalogsExtension.class).named("libs");
        return project.getConfigurations().detachedConfiguration(
            dependencies.create(libs.findLibrary("kotlinCompilerEmbeddable").get().get())
        );

                    return new CoreExtensionsStaxReader()
                            .read(is, true, InputSource.of(extensionsFile))
                            .getExtensions();
                }
            }
        }
        return List.of();
    }

    private ClassRealm setupContainerRealm(