docs: static synchronized void userHasLogged(EnhancedDebugger debugger, String user) {
          int index = getInstance().tabbedPane.indexOfComponent(debugger.tabbedPane);
          getInstance().tabbedPane.setTitleAt(
                  index,
                  user);
          getInstance().tabbedPane.setIconAt(
                  index,
                  connectionActiveIcon);
      }