userManual.getStagingRoot().convention(extension.getStagingRoot().dir("usermanual"));
            // TODO: These should be generated too
            userManual.getSnippets().convention(layout.getProjectDirectory().dir("src/snippets"));
            userManual.getStagedDocumentation().convention(userguideFlattenSources.flatMap(task -> (DirectoryProperty) task.getExtensions().getExtraProperties().get("destinationDirectory")));

        if (path == null) {
            return null;
        }

        RegexBasedInterpolator interpolator = new RegexBasedInterpolator();

        final File basedir = context.getProjectDirectory();

        if (basedir != null) {
            interpolator.addValueSource(new AbstractValueSource(false) {
                @Override
                public Object getValue(String expression) {

            task.into(extension.getDocumentationRenderedRoot());
        });

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

        problems.setSource(resultModel);
        problems.setRootModel(resultModel);

        // model path translation
        modelPathTranslator.alignToBaseDirectory(resultModel, resultModel.getProjectDirectory(), request);

        // plugin management injection
        pluginManagementInjector.injectManagement(resultModel, request, problems);