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

        getDokkaExtension(project).getPluginsConfiguration().named("html", DokkaHtmlPluginParameters.class, config -> {
            config.getCustomStyleSheets().from(extension.getSourceRoot().file("kotlin/styles/gradle.css"));
            config.getCustomAssets().from(extension.getSourceRoot().file("kotlin/images/logo-icon.svg"));
            config.getFooterMessage().set("Gradle Kotlin DSL Reference");
        });
    }

        });

        extension.getSourceRoot().convention(layout.getProjectDirectory().dir("src/docs"));
        extension.getDocumentationRenderedRoot().convention(layout.getBuildDirectory().dir("docs"));
        extension.getStagingRoot().convention(layout.getBuildDirectory().dir("working"));

        ConfigurableFileTree css = objects.fileTree();
        css.from(extension.getSourceRoot().dir("css"));
        css.include("*.css");

        kotlinDslReference = objects.newInstance(KotlinDslReference.class);
    }

    /**
     * The root directory of all documentation inputs
     */
    public abstract DirectoryProperty getSourceRoot();

    /**
     * Collection of CSS files to include in generated documentation.
     */
    public abstract ConfigurableFileCollection getCssFiles();

    /**

        Javadocs javadocs = extension.getJavadocs();
        javadocs.getJavadocCss().convention(extension.getSourceRoot().file("css/javadoc-dark-theme.css"));

        // TODO: Staging directory should be a part of the Javadocs extension
        // TODO: Pull out more of this configuration into the extension if it makes sense

                sub.include("**/*.js");
                sub.into("js");
            });
        });

        extension.userManual(userManual -> {
            userManual.getRoot().convention(extension.getSourceRoot().dir("userguide"));
            userManual.getStagingRoot().convention(extension.getStagingRoot().dir("usermanual"));
            // TODO: These should be generated too