[Extensions] Type hints

src/Symfony/Bundle/SwiftmailerBundle/DependencyInjection/SwiftmailerExtension.php

@@ -37,7 +37,7 @@ class SwiftMailerExtension extends Extension
      * @param array            $config    An array of configuration settings
      * @param ContainerBuilder $container A ContainerBuilder instance
      */
-    public function configLoad($config, ContainerBuilder $container)
+    public function configLoad(array $config, ContainerBuilder $container)
     {
         if (!$container->hasDefinition('swiftmailer.mailer')) {
             $loader = new XmlFileLoader($container, __DIR__.'/../Resources/config');

src/Symfony/Bundle/TwigBundle/DependencyInjection/TwigExtension.php

@@ -29,7 +29,7 @@ class TwigExtension extends Extension
      * @param array            $config    An array of configuration settings
      * @param ContainerBuilder $container A ContainerBuilder instance
      */
-    public function configLoad($config, ContainerBuilder $container)
+    public function configLoad(array $config, ContainerBuilder $container)
     {
         if (!$container->hasDefinition('twig')) {
             $loader = new XmlFileLoader($container, __DIR__.'/../Resources/config');

src/Symfony/Bundle/WebProfilerBundle/DependencyInjection/WebProfilerExtension.php

@@ -38,7 +38,7 @@ class WebProfilerExtension extends Extension
      * @param array            $config    An array of configuration settings
      * @param ContainerBuilder $container A ContainerBuilder instance
      */
-    public function configLoad($config, ContainerBuilder $container)
+    public function configLoad(array $config, ContainerBuilder $container)
     {
         $loader = new XmlFileLoader($container, __DIR__.'/../Resources/config');