public void initialize(ServerSessionManager lm) {
    this.plugin =
        new BaseClientPlugin() {
          @Override
          protected void activate() {
            SceneGraphViewPlugin.this.register();
          }

          @Override
          protected void deactivate() {
            SceneGraphViewPlugin.this.unregister();
          }
        };

    plugin.initialize(lm);
  }
 public void cleanup() {
   plugin.cleanup();
 }