use Symfony\Component\DependencyInjection\Alias;
 use Symfony\Component\DependencyInjection\Definition;

 class SomeClass
 {
     public function run()
     {
         $definition = new Definition('Example\Foo');
-        $definition->setPrivate(false);
+        $definition->setPublic(true);

         $alias = new Alias('Example\Foo');
-        $alias->setPrivate(false);
+        $alias->setPublic(true);
     }
 }

 use Symfony\Component\PropertyInfo\Extractor\ReflectionExtractor;

 class SomeClass
 {
     public function run()
     {
         $reflectionExtractor = new ReflectionExtractor();
         $readInfo = $reflectionExtractor->getReadInfo(Dummy::class, 'bar', [
-            'enable_magic_call_extraction' => true,
+            'enable_magic_methods_extraction' => ReflectionExtractor::MAGIC_CALL | ReflectionExtractor::MAGIC_GET | ReflectionExtractor::MAGIC_SET,
         ]);
     }
 }

 use Doctrine\Common\Annotations\Reader;
 use Symfony\Component\Validator\ValidatorBuilder;

 class SomeClass
 {
     public function run(ValidatorBuilder $builder, Reader $reader)
     {
-        $builder->enableAnnotationMapping($reader);
+        $builder->enableAnnotationMapping(true)->setDoctrineAnnotationReader($reader);
     }
 }

 use Symfony\Component\HttpFoundation;

 class SomeClass
 {
     public function run()
     {
-        $binaryFile = BinaryFileResponse::create();
+        $binaryFile = new BinaryFileResponse(null);
     }
 }

 use Symfony\Component\PropertyAccess\PropertyAccessor;

 class SomeClass
 {
     public function run()
     {
-        $propertyAccessor = new PropertyAccessor(true);
+        $propertyAccessor = new PropertyAccessor(PropertyAccessor::MAGIC_CALL | PropertyAccessor::MAGIC_GET | PropertyAccessor::MAGIC_SET);
     }
 }

-use Sensio\Bundle\FrameworkExtraBundle\Configuration\Security;
+use Symfony\Component\ExpressionLanguage\Expression;
+use Symfony\Component\Security\Http\Attribute\IsGranted;

 class PostController extends Controller
 {
-    #[Security("is_granted('ROLE_ADMIN')")]
+    #[IsGranted(attribute: 'ROLE_ADMIN')]
     public function index()
     {
     }

-    #[Security("is_granted('ROLE_ADMIN') and is_granted('ROLE_FRIENDLY_USER')")]
+    #[IsGranted(attribute: new Expression("is_granted('ROLE_ADMIN') and is_granted('ROLE_FRIENDLY_USER')"))]
     public function list()
     {
     }
 }

-use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
+use Symfony\Component\HttpKernel\Controller\ValueResolverInterface;

-final class EntityValueResolver implements ArgumentValueResolverInterface
+final class EntityValueResolver implements ValueResolverInterface
 {
-    public function supports(Request $request, ArgumentMetadata $argument): bool
-    {
-    }
-
     public function resolve(Request $request, ArgumentMetadata $argument): iterable
     {
     }
 }

 use Symfony\Component\Validator\Constraints\NotBlank;

 class SomeClass
 {
-    NotBlank::$errorNames
+    NotBlank::ERROR_NAMES

 }

 use Symfony\Component\Console\Command\Command;

 class SomeCommand extends Command
 {
-    public function execute(InputInterface $input, OutputInterface $output)
+    public function execute(InputInterface $input, OutputInterface $output): int
     {
-        return null;
+        return 0;
     }
 }

 namespace App\Service;

 use Symfony\Component\DependencyInjection\Attribute\Autowire;

 class MessageGenerator
 {
     public function __construct(
-        #[Autowire('%kernel.debug%')]
+        #[Autowire(param: 'kernel.debug')]
         bool $debugMode,

-        #[Autowire('%env(SOME_ENV_VAR)%')]
+        #[Autowire(env: 'SOME_ENV_VAR')]
         string $senderName,
     ) {
     }
 }

-public function handleSignal(int $signal): void
+public function handleSignal(int $signal): int|false
     {
+        return false;
     }

-use Symfony\Component\Security\Http\Logout\LogoutHandlerInterface;
-use Symfony\Component\HttpFoundation\Request;
-use Symfony\Component\HttpFoundation\Response;
-use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\Security\Http\Event\LogoutEvent;

-final class SomeLogoutHandler implements LogoutHandlerInterface
+final class SomeLogoutHandler implements EventSubscriberInterface
 {
-    public function logout(Request $request, Response $response, TokenInterface $token)
+    public function onLogout(LogoutEvent $logoutEvent): void
+    {
+        $request = $logoutEvent->getRequest();
+        $response = $logoutEvent->getResponse();
+        $token = $logoutEvent->getToken();
+    }
+
+    /**
+     * @return array<string, string[]>
+     */
+    public static function getSubscribedEvents(): array
     {
+        return [
+            LogoutEvent::class => ['onLogout'],
+        ];
     }
 }

-use Symfony\Component\Security\Http\Logout\LogoutSuccessHandlerInterface;
-use Symfony\Component\HttpFoundation\Request;
-use Symfony\Component\HttpFoundation\Response;
-use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\Security\Http\Event\LogoutEvent;

-final class SomeLogoutHandler implements LogoutSuccessHandlerInterface
+final class SomeLogoutHandler implements EventSubscriberInterface
 {
     /**
       * @var HttpUtils
       */
     private $httpUtils;

-    public function __construct(HttpUtils $httpUtils)
+    public function onLogout(LogoutEvent $logoutEvent): void
     {
-        $this->httpUtils = $httpUtils;
+        if ($logoutEvent->getResponse() !== null) {
+            return;
+        }
+
+        $response = $this->httpUtils->createRedirectResponse($logoutEvent->getRequest(), 'some_url');
+        $logoutEvent->setResponse($response);
     }

-    public function onLogoutSuccess(Request $request)
+    /**
+     * @return array<string, mixed>
+     */
+    public static function getSubscribedEvents(): array
     {
-        $response = $this->httpUtils->createRedirectResponse($request, 'some_url');
-        return $response;
+        return [
+            LogoutEvent::class => [['onLogout', 64]],
+        ];
     }
 }

 class SomeCommand extends Command
 {
     protected function execute(InputInterface $input, OutputInterface $output): int
     {
-        return 0;
+        return \Symfony\Component\Console\Command\Command::SUCCESS;
     }

 }

 use Symfony\Component\Config\Definition\Builder\TreeBuilder;

-$treeBuilder = new TreeBuilder();
-$rootNode = $treeBuilder->root('acme_root');
+$treeBuilder = new TreeBuilder('acme_root');
+$rootNode = $treeBuilder->getRootNode();
 $rootNode->someCall();

 use Symfony\Component\Process\Process;
-$process = new Process('ls -l');
+$process = new Process(['ls', '-l']);

 use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;

 class SomeClass
 {
     public function run(EventDispatcherInterface $eventDispatcher)
     {
-        $eventDispatcher->dispatch('event_name', new Event());
+        $eventDispatcher->dispatch(new Event(), 'event_name');
     }
 }

 use Symfony\Component\EventDispatcher\EventDispatcher;

 final class SomeEventDispatcher extends EventDispatcher
 {
     public function __construct()
     {
         $value = 1000;
+        parent::__construct();
     }
 }

-use Sensio\Bundle\FrameworkExtraBundle\Configuration\Security;
+use Symfony\Component\Security\Http\Attribute\IsGranted;

-#[Security("is_granted('ROLE_USER')")]
+#[IsGranted('ROLE_USER')]
 class SomeClass
 {
 }

-use Sensio\Bundle\FrameworkExtraBundle\Configuration\Security;
+use Symfony\Component\Security\Http\Attribute\IsGranted;

-#[Security("is_granted('ROLE_USER') and has_role('ROLE_ADMIN')")]
+#[IsGranted('ROLE_USER')]
+#[IsGranted('ROLE_ADMIN')]
 class SomeClass
 {
 }