public function materializeExtendedJsModels(Garp_Spawn_Model_Set $modelSet) {
        $jsExtendedModel = new Garp_Spawn_Js_Model_Extended($this->id, $modelSet);
        $jsExtendedModelOutput = $jsExtendedModel->render();

        $jsAppExtendedFile = new Garp_Spawn_Js_Model_File_AppExtended($this);
        $jsAppExtendedFile->save($jsExtendedModelOutput);

        if ($this->module === 'garp') {
            $jsGarpExtendedFile = new Garp_Spawn_Js_Model_File_GarpExtended($this);
            $jsGarpExtendedFile->save($jsExtendedModelOutput);
        }
    }