@Override
    public void extensionRemoved(@NotNull KeyedFactoryEPBean extension, @NotNull PluginDescriptor pluginDescriptor) {
      if (extension.key != null) {
        invalidateCacheForExtension(extension.key);
      }
    }
@Override
    public void extensionRemoved(@NotNull KeyedFactoryEPBean extension, @NotNull PluginDescriptor pluginDescriptor)