anchor.diff:    }
   
     @override
  -  void generateContent(Map<String, String> params) {
  +  Future generateContent(Map<String, String> params) async {
       Map<Folder, AnalysisDriver> driverMap = server.driverMap;
       if (driverMap.isEmpty) {
         blankslate('No contexts.');
  
positive.code:       : super(site, 'plugins', 'Plugins', description: 'Plugins in use.');
  
    @override
    void generateContent(Map<String, String> params) {
      h3('Analysis plugins');
      List<PluginInfo> analysisPlugins = server.pluginManager.plugins;
  
  
negative.code:             description: 'Registered subscriptions to analysis server events.');
  
    @override
    Future generateContent(Map<String, String> params) async {
      // server domain
      h3('Server domain subscriptions');
      ul(ServerService.VALUES, (item) {
  