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);

            task.setGroup("documentation");

            int webserverPort = 8000;
            task.getJavaLauncher().set(
                task.getProject().getExtensions().getByType(JavaToolchainService.class)
                    .launcherFor(spec -> spec.getLanguageVersion().set(JavaLanguageVersion.of(21)))
            );