Add some PHPDoc

Author: HypeMC

Extension/DependencyInjection/DependencyInjectionExtension.php

@@ -14,6 +14,7 @@
 use Psr\Container\ContainerInterface;
 use Symfony\Component\Form\Exception\InvalidArgumentException;
 use Symfony\Component\Form\FormExtensionInterface;
+use Symfony\Component\Form\FormTypeExtensionInterface;
 use Symfony\Component\Form\FormTypeGuesserChain;
 use Symfony\Component\Form\FormTypeGuesserInterface;
 use Symfony\Component\Form\FormTypeInterface;
@@ -27,7 +28,7 @@ class DependencyInjectionExtension implements FormExtensionInterface
     private iterable $guesserServices;
 
     /**
-     * @param iterable[] $typeExtensionServices
+     * @param array<string, iterable<FormTypeExtensionInterface>> $typeExtensionServices
      */
     public function __construct(ContainerInterface $typeContainer, array $typeExtensionServices, iterable $guesserServices)
     {