@Override
        public void extensionAdded(@NotNull CodeStyleSettingsProvider extension,
                                   @NotNull PluginDescriptor pluginDescriptor) {
          if (!extension.hasSettingsPage() && getDefaultLanguage() == extension.getLanguage()) {
            createTab(extension);
          }
        }
@Override
        public void extensionAdded(@NotNull CodeStyleSettingsProvider extension,
                                   @NotNull PluginDescriptor pluginDescriptor)