});

        Configuration userGuideTask = project.getConfigurations().create("userGuideTask");
        Configuration userGuideStyleSheetConf = project.getConfigurations().create("userGuideStyleSheets");

        TaskProvider<Docbook2Xhtml> dslHtml = tasks.register("dslHtml", Docbook2Xhtml.class, task -> {
            task.setGroup("documentation");