fix phpstan

Author: christopherhero

src/DependencyInjection/BitBagSyliusCmsExtension.php

@@ -11,6 +11,7 @@
 namespace BitBag\SyliusCmsPlugin\DependencyInjection;
 
 use Sylius\Bundle\CoreBundle\DependencyInjection\PrependDoctrineMigrationsTrait;
+use Symfony\Component\Config\Definition\ConfigurationInterface;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Extension\Extension;
 use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;
@@ -21,7 +22,9 @@ final class BitBagSyliusCmsExtension extends Extension implements PrependExtensi
 
     public function load(array $configs, ContainerBuilder $container): void
     {
-        $config = $this->processConfiguration($this->getConfiguration([], $container), $configs);
+        /** @var ConfigurationInterface $configuration */
+        $configuration = $this->getConfiguration([], $container);
+        $config = $this->processConfiguration($configuration, $configs);
 
         $container->setParameter('bitbag_sylius_cms_plugin.wysiwyg_editor', $config['wysiwyg_editor']);
     }

src/DependencyInjection/Configuration.php

@@ -10,6 +10,7 @@
 
 namespace BitBag\SyliusCmsPlugin\DependencyInjection;
 
+use Symfony\Component\Config\Definition\Builder\ArrayNodeDefinition;
 use Symfony\Component\Config\Definition\Builder\TreeBuilder;
 use Symfony\Component\Config\Definition\ConfigurationInterface;
 
@@ -18,6 +19,7 @@ final class Configuration implements ConfigurationInterface
     public function getConfigTreeBuilder(): TreeBuilder
     {
         $treeBuilder = new TreeBuilder('bitbag_sylius_cms_plugin');
+        /** @var ArrayNodeDefinition $rootNode */
         $rootNode = $treeBuilder->getRootNode();
 
         $rootNode