code: public void startUp() {
          sendConsoleMessage(Level.INFO, getLanguageManager().getString("loading_account_manager"));
          accountManager = new AccountManager();
          //addMetricsGraph("Multiworld", getConfigurationManager().isMultiWorld());
          startMetrics();
          sendConsoleMessage(Level.INFO, getLanguageManager().getString("account_manager_loaded"));
          eventManager = new EventManager();
          initializeWorldGroup();
      }
docs: Initialize the {@link AccountManager}, Metrics and {@link EventManager}