Sonata\ProductBundle\DependencyInjection\Configuration::getConfigTreeBuilder PHP Метод

    public function getConfigTreeBuilder()
    {
        $treeBuilder = new TreeBuilder();
        $node = $treeBuilder->root('sonata_product');
        $this->addProductSection($node);
        $this->addModelSection($node);
        $this->addSeoSection($node);
        return $treeBuilder;
    }