docs: @SuppressWarnings("PMD.DataflowAnomalyAnalysis")
      @Handler(priority = 999999, channels = Channel.class)
      public void onStart(Start event)
              throws BackingStoreException, InterruptedException {
          InitialPreferences updEvt
              = new InitialPreferences(preferences.parent().absolutePath());
          addPrefs(updEvt, preferences.absolutePath(), preferences);
          newEventPipeline().fire(updEvt, event.channels()).get();
      }