Baikal\BootCampBundle\DependencyInjection\Configuration::getConfigTreeBuilder PHP Метод

    public function getConfigTreeBuilder()
    {
        $treeBuilder = new TreeBuilder();
        $rootNode = $treeBuilder->root('baikal_boot_camp');
        // Here you should define the parameters that are allowed to
        // configure your bundle. See the documentation linked above for
        // more information on that topic.
        return $treeBuilder;
    }