public function actionIndex()
    {
        $dataHandler = new SitemapDataHandler($this->savePathAlias, $this->sitemapFileName, [
            'builderConfig' => $this->builderConfig,
        ]);

        $models = $dataHandler->getModelsClasses($this->modelsPath, $this->modelsNamespace);
        $dataHandler->handleModels($models);
    }