@Override
      public void extensionRemoved(@NotNull FileTypeIndentOptionsProvider extension,
                                   @NotNull PluginDescriptor pluginDescriptor) {
        CodeStyleSettingsManager.getInstance()
          .unregisterFileTypeIndentOptions(getAllSettings(), extension.getFileType());
      }
@Override
      public void extensionRemoved(@NotNull FileTypeIndentOptionsProvider extension,
                                   @NotNull PluginDescriptor pluginDescriptor)