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"));

     */
    public abstract RegularFileProperty getJavadocCss();

    /**
     * A collection of the final rendered Javaodcs
     */
    public abstract ConfigurableFileCollection getRenderedDocumentation();

 */
public abstract class KotlinDslReference {

    /**
     * The location of the final rendered Dokka content.
     */
    public abstract DirectoryProperty getRenderedDocumentation();

    /**
     * The Dokka version to use instead the default one Dokkatoo is configured with.
     * Will use the Dokkatoo default, if not specified.
     */

        });

        extension.releaseNotes(releaseNotes -> {
            releaseNotes.getMarkdownFile().convention(extension.getSourceRoot().file("release/notes.md"));
            releaseNotes.getRenderedDocumentation().convention(releaseNotesPostProcess.flatMap(DecorateReleaseNotes::getDestinationFile));
            releaseNotes.getBaseCssFile().convention(extension.getSourceRoot().file("css/base.css"));

            javadocs.getJavadocCss().convention(extension.getSourceRoot().file("css/javadoc.css"));

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

    /**
     * The collection of rendered documentation.  This is everything laid out as it would be deployed/packaged.
     */
    public abstract ConfigurableFileCollection getRenderedDocumentation();

    // These are all helper methods for configuring the parts of the documentation (DSL ref, javadoc, user manual, etc).
    public ReleaseNotes getReleaseNotes() {
        return releaseNotes;
    }

        Provider<? extends Directory> outputDirectory = generateTask.flatMap(t -> ((DokkatooGenerateTask) t).getOutputDirectory());
        extension.getKotlinDslReference().getRenderedDocumentation().set(outputDirectory);
    }

    private static void configurePlugin(Project project, GradleDocumentationExtension extension) {
        renameModule(project);
        wireInArtificialSourceSet(project, extension);

            userManual.getStagedDocumentation().convention(userguideFlattenSources.flatMap(task -> (DirectoryProperty) task.getExtensions().getExtraProperties().get("destinationDirectory")));
            userManual.getRenderedDocumentation().from(userguide);
        });
    }

    private void configureForUserGuideSinglePage(AsciidoctorTask task, GradleDocumentationExtension extension, Project project) {
        task.setGroup("documentation");