return userManual;
    }

    public void userManual(Action<? super UserManual> action) {
        action.execute(userManual);
    }

    public DslReference getDslReference() {
        return dslReference;
    }

    public void dslReference(Action<? super DslReference> action) {
        action.execute(dslReference);
    }

    public Javadocs getJavadocs() {

    }

    private void generateDslReference(Project project, ProjectLayout layout, TaskContainer tasks, ObjectFactory objects, GradleDocumentationExtension extension) {
        DslReference dslReference = extension.getDslReference();

        TaskProvider<ExtractDslMetaDataTask> dslMetaData = tasks.register("dslMetaData", ExtractDslMetaDataTask.class, task -> {
            task.source(extension.getDocumentedSource());

        TaskProvider<GenerateApiMapping> apiMapping = tasks.register("apiMapping", GenerateApiMapping.class, task -> {
            task.getMetaDataFile().convention(extension.getDslReference().getGeneratedMetaDataFile());
            task.getMappingDestFile().convention(generatedDirectory.map(dir -> dir.file("api-mapping.txt")));
            task.getExcludedPackages().convention(excludedPackages);
        });

            // release notes goes in the root of the docs
            task.from(extension.getReleaseNotes().getRenderedDocumentation());

            // DSL reference goes into dsl/
            task.from(extension.getDslReference().getRenderedDocumentation(), sub -> sub.into("dsl"));

            // Javadocs reference goes into javadoc/
            task.from(extension.getJavadocs().getRenderedDocumentation(), sub -> sub.into("javadoc"));