}));
    }

    private void addUtilityTasks(TaskContainer tasks, GradleDocumentationExtension extension) {
        tasks.register("serveDocs", ServeDocs.class, task -> {
            task.setDescription("Runs a local webserver to serve generated documentation.");
            task.setGroup("documentation");

            int webserverPort = 8000;
            task.getJavaLauncher().set(

                .desc("<deprecated> Use Maven 2 Legacy Local Repository behaviour.")
                .deprecated(DeprecatedAttributes.builder()
                        .setSince("3.9.1")
                        .setDescription("UNSUPPORTED: Use of this option will make Maven invocation fail.")
                        .get())
                .build());

        // Deprecated

        pluginDescriptor.setVersion(extractVersion(c));
        pluginDescriptor.setGoalPrefix(extractGoalPrefix(c));

        pluginDescriptor.setName(extractName(c));
        pluginDescriptor.setDescription(extractDescription(c));

        pluginDescriptor.setIsolatedRealm(extractIsolatedRealm(c));
        pluginDescriptor.setInheritedByDefault(extractInheritedByDefault(c));

            task.into(flattenedAsciidocDirectory);
        });

        TaskProvider<AsciidoctorTask> userguideSinglePageHtml = tasks.register("userguideSinglePageHtml", AsciidoctorTask.class, task -> {
            task.setDescription("Generates HTML single-page user manual.");
            configureForUserGuideSinglePage(task, extension, project);
            task.outputOptions(options -> options.setBackends(singletonList("html5")));

        TaskProvider<Docbook2Xhtml> dslHtml = tasks.register("dslHtml", Docbook2Xhtml.class, task -> {
            task.setGroup("documentation");
            task.setDescription("Generates DSL reference HTML documentation.");
            task.onlyIf(t -> !extension.getQuickFeedback().get());

            task.source(dslStandaloneDocbook);

                    .hasArg()
                    .deprecated(DeprecatedAttributes.builder()
                            .setForRemoval(true)
                            .setSince("4.0.0")
                            .setDescription("Use -is,--install-settings instead.")
                            .get())
                    .get());
            options.addOption(Option.builder(ALTERNATE_GLOBAL_TOOLCHAINS)

        });

        TaskProvider<Javadoc> javadocAll = tasks.register("javadocAll", Javadoc.class, task -> {
            task.setGroup("documentation");
            task.setDescription("Generate Javadocs for all API classes");

            // TODO: This breaks if version is changed later
            task.setTitle("Gradle API " + project.getVersion());