fun getName(testCoverage: TestCoverage): String = throw UnsupportedOperationException()

    fun getDescription(testCoverage: TestCoverage): String = throw UnsupportedOperationException()
}

            getName(testCoverage),
            getDescription(testCoverage),
            testCoverage,
            stage,
            parallelizationMethod,
            subprojects.map { it.name }
        )

    override fun getName(testCoverage: TestCoverage) = truncateName("${testCoverage.asName()} (${subprojects.joinToString(",") { it.name }})")

            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")));

        }));
    }

    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(