diff --git a/composer.json b/composer.json
index 5c4166c..ca97937 100644
--- a/composer.json
+++ b/composer.json
@@ -18,12 +18,13 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^9",
-        "ibexa/code-style": "^1.1",
+        "ibexa/code-style": "~2.3.1",
         "ibexa/doctrine-schema": "~4.6.x-dev",
         "phpstan/phpstan": "^2.0",
         "phpstan/phpstan-phpunit": "^2.0",
         "phpstan/phpstan-symfony": "^2.0",
-        "qossmic/deptrac-shim": "^0.24.0 || ^1.0.2"
+        "qossmic/deptrac-shim": "^0.24.0 || ^1.0.2",
+        "ibexa/doctrine-migrations": "~4.6.x-dev"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/bundle/DependencyInjection/Configuration/Parser/NotificationsConfigParser.php b/src/bundle/DependencyInjection/Configuration/Parser/NotificationsConfigParser.php
index 6ade1dd..9527883 100644
--- a/src/bundle/DependencyInjection/Configuration/Parser/NotificationsConfigParser.php
+++ b/src/bundle/DependencyInjection/Configuration/Parser/NotificationsConfigParser.php
@@ -46,8 +46,11 @@ public function addSemanticConfig(NodeBuilder $nodeBuilder): void
     /**
      * @param array<string, array<string, mixed>> $scopeSettings
      */
-    public function mapConfig(array &$scopeSettings, $currentScope, ContextualizerInterface $contextualizer): void
-    {
+    public function mapConfig(
+        array &$scopeSettings,
+        $currentScope,
+        ContextualizerInterface $contextualizer
+    ): void {
         if (empty($scopeSettings['notifier'])) {
             return;
         }
@@ -70,8 +73,10 @@ public function mapConfig(array &$scopeSettings, $currentScope, ContextualizerIn
     /**
      * @param array<string, mixed> $config
      */
-    public function postMap(array $config, ContextualizerInterface $contextualizer): void
-    {
+    public function postMap(
+        array $config,
+        ContextualizerInterface $contextualizer
+    ): void {
         foreach (self::MAPPED_SETTINGS as $setting) {
             $contextualizer->mapConfigArray(sprintf('notifications.%s', $setting), $config);
         }
diff --git a/src/bundle/DependencyInjection/IbexaNotificationsExtension.php b/src/bundle/DependencyInjection/IbexaNotificationsExtension.php
index e854c14..54e55c8 100644
--- a/src/bundle/DependencyInjection/IbexaNotificationsExtension.php
+++ b/src/bundle/DependencyInjection/IbexaNotificationsExtension.php
@@ -21,8 +21,10 @@ final class IbexaNotificationsExtension extends Extension implements PrependExte
     /**
      * @param array<string, mixed> $configs
      */
-    public function load(array $configs, ContainerBuilder $container): void
-    {
+    public function load(
+        array $configs,
+        ContainerBuilder $container
+    ): void {
         $loader = new YamlFileLoader(
             $container,
             new FileLocator(__DIR__ . '/../Resources/config')
diff --git a/src/bundle/IbexaNotificationsBundle.php b/src/bundle/IbexaNotificationsBundle.php
index 2373924..402deaa 100644
--- a/src/bundle/IbexaNotificationsBundle.php
+++ b/src/bundle/IbexaNotificationsBundle.php
@@ -8,6 +8,7 @@
 
 namespace Ibexa\Bundle\Notifications;
 
+use Ibexa\Bundle\Core\DependencyInjection\IbexaCoreExtension;
 use Ibexa\Bundle\Notifications\DependencyInjection\Configuration\Parser\NotificationsConfigParser;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\HttpKernel\Bundle\Bundle;
@@ -16,7 +17,7 @@ final class IbexaNotificationsBundle extends Bundle
 {
     public function build(ContainerBuilder $container): void
     {
-        /** @var \Ibexa\Bundle\Core\DependencyInjection\IbexaCoreExtension $core */
+        /** @var IbexaCoreExtension $core */
         $core = $container->getExtension('ibexa');
 
         $core->addConfigParser(new NotificationsConfigParser());
diff --git a/src/contracts/Service/NotificationServiceInterface.php b/src/contracts/Service/NotificationServiceInterface.php
index 5b094c8..9cab38d 100644
--- a/src/contracts/Service/NotificationServiceInterface.php
+++ b/src/contracts/Service/NotificationServiceInterface.php
@@ -9,11 +9,15 @@
 namespace Ibexa\Contracts\Notifications\Service;
 
 use Ibexa\Contracts\Notifications\Value\NotificationInterface;
+use Ibexa\Contracts\Notifications\Value\RecipientInterface;
 
 interface NotificationServiceInterface
 {
     /**
-     * @param array<\Ibexa\Contracts\Notifications\Value\RecipientInterface> $recipients
+     * @param array<RecipientInterface> $recipients
      */
-    public function send(NotificationInterface $notification, array $recipients = []): void;
+    public function send(
+        NotificationInterface $notification,
+        array $recipients = []
+    ): void;
 }
diff --git a/src/contracts/SystemNotification/SystemMessage.php b/src/contracts/SystemNotification/SystemMessage.php
index d65c831..c5bfb3d 100644
--- a/src/contracts/SystemNotification/SystemMessage.php
+++ b/src/contracts/SystemNotification/SystemMessage.php
@@ -28,8 +28,10 @@ final class SystemMessage implements MessageInterface
     /**
      * @param array<string, mixed> $context
      */
-    public function __construct(UserReference $user, array $context = [])
-    {
+    public function __construct(
+        UserReference $user,
+        array $context = []
+    ) {
         $this->user = $user;
         $this->context = $context;
     }
diff --git a/src/contracts/SystemNotification/SystemNotification.php b/src/contracts/SystemNotification/SystemNotification.php
index 5793f5c..a9f6e64 100644
--- a/src/contracts/SystemNotification/SystemNotification.php
+++ b/src/contracts/SystemNotification/SystemNotification.php
@@ -43,8 +43,10 @@ public function setContent(string $content): void
         $this->content($content);
     }
 
-    public function asSystemNotification(UserRecipientInterface $recipient, ?string $transport = null): SystemMessage
-    {
+    public function asSystemNotification(
+        UserRecipientInterface $recipient,
+        ?string $transport = null
+    ): SystemMessage {
         $context = [
             'subject' => $this->getSubject(),
             'content' => $this->getContent(),
diff --git a/src/lib/Mapper/NotificationMapperInterface.php b/src/lib/Mapper/NotificationMapperInterface.php
index f957424..b522dca 100644
--- a/src/lib/Mapper/NotificationMapperInterface.php
+++ b/src/lib/Mapper/NotificationMapperInterface.php
@@ -8,6 +8,7 @@
 
 namespace Ibexa\Notifications\Mapper;
 
+use Ibexa\Contracts\Core\Exception\InvalidArgumentException;
 use Ibexa\Contracts\Notifications\Value\NotificationInterface;
 use Symfony\Component\Notifier\Notification\Notification;
 
@@ -16,7 +17,7 @@ interface NotificationMapperInterface
     /**
      * Produces Symfony Notifier's compatible Notification object.
      *
-     * @throws \Ibexa\Contracts\Core\Exception\InvalidArgumentException
+     * @throws InvalidArgumentException
      */
     public function mapToSymfonyNotification(NotificationInterface $notification): Notification;
 }
diff --git a/src/lib/Mapper/RecipientMapperInterface.php b/src/lib/Mapper/RecipientMapperInterface.php
index da034fa..06f2cec 100644
--- a/src/lib/Mapper/RecipientMapperInterface.php
+++ b/src/lib/Mapper/RecipientMapperInterface.php
@@ -8,6 +8,7 @@
 
 namespace Ibexa\Notifications\Mapper;
 
+use Ibexa\Contracts\Core\Exception\InvalidArgumentException;
 use Ibexa\Contracts\Notifications\Value\RecipientInterface;
 use Symfony\Component\Notifier\Recipient\RecipientInterface as SymfonyRecipientInterface;
 
@@ -16,7 +17,7 @@ interface RecipientMapperInterface
     /**
      * Produces Symfony Notifier's compatible RecipientInterface object.
      *
-     * @throws \Ibexa\Contracts\Core\Exception\InvalidArgumentException
+     * @throws InvalidArgumentException
      */
     public function mapToSymfonyRecipient(RecipientInterface $recipient): SymfonyRecipientInterface;
 }
diff --git a/src/lib/Service/NotificationService.php b/src/lib/Service/NotificationService.php
index a6d0d10..ce8e047 100644
--- a/src/lib/Service/NotificationService.php
+++ b/src/lib/Service/NotificationService.php
@@ -10,6 +10,7 @@
 
 use Ibexa\Contracts\Notifications\Service\NotificationServiceInterface;
 use Ibexa\Contracts\Notifications\Value\NotificationInterface;
+use Ibexa\Contracts\Notifications\Value\RecipientInterface;
 use Ibexa\Notifications\Mapper\NotificationMapperInterface;
 use Ibexa\Notifications\Mapper\RecipientMapperInterface;
 use Ibexa\Notifications\SubscriptionResolver\SubscriptionResolverInterface;
@@ -39,10 +40,12 @@ public function __construct(
     }
 
     /**
-     * @param array<\Ibexa\Contracts\Notifications\Value\RecipientInterface> $recipients
+     * @param array<RecipientInterface> $recipients
      */
-    public function send(NotificationInterface $notification, array $recipients = []): void
-    {
+    public function send(
+        NotificationInterface $notification,
+        array $recipients = []
+    ): void {
         $channels = array_map(
             static fn (
                 ChannelSubscription $channelSubscription
diff --git a/src/lib/SubscriptionResolver/ChainSubscriptionResolver.php b/src/lib/SubscriptionResolver/ChainSubscriptionResolver.php
index b94f9a9..4f33bc1 100644
--- a/src/lib/SubscriptionResolver/ChainSubscriptionResolver.php
+++ b/src/lib/SubscriptionResolver/ChainSubscriptionResolver.php
@@ -12,19 +12,21 @@
 
 final class ChainSubscriptionResolver implements SubscriptionResolverInterface
 {
-    /** @var iterable<\Ibexa\Notifications\SubscriptionResolver\SubscriptionResolverInterface> */
+    /** @var iterable<SubscriptionResolverInterface> */
     private iterable $resolvers;
 
     /**
-     * @param iterable<\Ibexa\Notifications\SubscriptionResolver\SubscriptionResolverInterface> $resolvers
+     * @param iterable<SubscriptionResolverInterface> $resolvers
      */
     public function __construct(iterable $resolvers)
     {
         $this->resolvers = $resolvers;
     }
 
-    public function resolve(NotificationInterface $notification, array $context = []): iterable
-    {
+    public function resolve(
+        NotificationInterface $notification,
+        array $context = []
+    ): iterable {
         foreach ($this->resolvers as $resolver) {
             $channelSubscriptions = $resolver->resolve($notification, $context);
             foreach ($channelSubscriptions as $channelSubscription) {
diff --git a/src/lib/SubscriptionResolver/ConfigBasedSubscriptionResolver.php b/src/lib/SubscriptionResolver/ConfigBasedSubscriptionResolver.php
index 6cdaabc..74bca55 100644
--- a/src/lib/SubscriptionResolver/ConfigBasedSubscriptionResolver.php
+++ b/src/lib/SubscriptionResolver/ConfigBasedSubscriptionResolver.php
@@ -21,8 +21,10 @@ public function __construct(ConfigResolverInterface $configResolver)
         $this->configResolver = $configResolver;
     }
 
-    public function resolve(NotificationInterface $notification, array $context = []): iterable
-    {
+    public function resolve(
+        NotificationInterface $notification,
+        array $context = []
+    ): iterable {
         $config = $this->configResolver->getParameter('notifications.subscriptions');
         $notificationType = $notification->getType();
 
diff --git a/src/lib/SubscriptionResolver/SubscriptionResolverInterface.php b/src/lib/SubscriptionResolver/SubscriptionResolverInterface.php
index e8c5f42..3bd6fd0 100644
--- a/src/lib/SubscriptionResolver/SubscriptionResolverInterface.php
+++ b/src/lib/SubscriptionResolver/SubscriptionResolverInterface.php
@@ -9,13 +9,17 @@
 namespace Ibexa\Notifications\SubscriptionResolver;
 
 use Ibexa\Contracts\Notifications\Value\NotificationInterface;
+use Ibexa\Notifications\Value\ChannelSubscription;
 
 interface SubscriptionResolverInterface
 {
     /**
      * @param array<string, mixed> $context
      *
-     * @return \Iterator<\Ibexa\Notifications\Value\ChannelSubscription|null>
+     * @return \Iterator<ChannelSubscription|null>
      */
-    public function resolve(NotificationInterface $notification, array $context = []): iterable;
+    public function resolve(
+        NotificationInterface $notification,
+        array $context = []
+    ): iterable;
 }
diff --git a/src/lib/SystemNotification/SystemNotificationChannel.php b/src/lib/SystemNotification/SystemNotificationChannel.php
index 59983da..df20c64 100644
--- a/src/lib/SystemNotification/SystemNotificationChannel.php
+++ b/src/lib/SystemNotification/SystemNotificationChannel.php
@@ -24,18 +24,23 @@ final class SystemNotificationChannel implements ChannelInterface
 
     private NotificationService $notificationService;
 
-    public function __construct(Repository $repository, NotificationService $notificationService)
-    {
+    public function __construct(
+        Repository $repository,
+        NotificationService $notificationService
+    ) {
         $this->repository = $repository;
         $this->notificationService = $notificationService;
     }
 
     /**
-     * @param \Symfony\Component\Notifier\Notification\Notification&\Ibexa\Contracts\Notifications\SystemNotification\SystemNotificationInterface $notification
-     * @param \Ibexa\Contracts\Notifications\Value\Recipent\UserRecipientInterface $recipient
+     * @param Notification&SystemNotificationInterface $notification
+     * @param UserRecipientInterface $recipient
      */
-    public function notify(Notification $notification, RecipientInterface $recipient, ?string $transportName = null): void
-    {
+    public function notify(
+        Notification $notification,
+        RecipientInterface $recipient,
+        ?string $transportName = null
+    ): void {
         $message = $notification->asSystemNotification($recipient, $transportName);
         if ($message === null) {
             return;
@@ -56,8 +61,10 @@ public function notify(Notification $notification, RecipientInterface $recipient
         }
     }
 
-    public function supports(Notification $notification, RecipientInterface $recipient): bool
-    {
+    public function supports(
+        Notification $notification,
+        RecipientInterface $recipient
+    ): bool {
         return $notification instanceof SystemNotificationInterface && $recipient instanceof UserRecipientInterface;
     }
 }
diff --git a/src/lib/Value/ChannelSubscription.php b/src/lib/Value/ChannelSubscription.php
index 1da463a..089e969 100644
--- a/src/lib/Value/ChannelSubscription.php
+++ b/src/lib/Value/ChannelSubscription.php
@@ -14,8 +14,10 @@ final class ChannelSubscription
 
     private string $channel;
 
-    public function __construct(string $notificationType, string $channel)
-    {
+    public function __construct(
+        string $notificationType,
+        string $channel
+    ) {
         $this->notificationType = $notificationType;
         $this->channel = $channel;
     }
diff --git a/tests/lib/Channel/SystemNotificationChannelTest.php b/tests/lib/Channel/SystemNotificationChannelTest.php
index ac257c9..33f3b75 100644
--- a/tests/lib/Channel/SystemNotificationChannelTest.php
+++ b/tests/lib/Channel/SystemNotificationChannelTest.php
@@ -17,6 +17,7 @@
 use Ibexa\Contracts\Notifications\SystemNotification\SystemNotificationInterface;
 use Ibexa\Contracts\Notifications\Value\Recipent\UserRecipientInterface;
 use Ibexa\Notifications\SystemNotification\SystemNotificationChannel;
+use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\Notifier\Notification\Notification;
 use Symfony\Component\Notifier\Recipient\RecipientInterface;
@@ -25,10 +26,10 @@ final class SystemNotificationChannelTest extends TestCase
 {
     private const EXAMPLE_USER_ID = 12;
 
-    /** @var \Ibexa\Contracts\Core\Repository\Repository&\PHPUnit\Framework\MockObject\MockObject */
+    /** @var Repository&MockObject */
     private Repository $repository;
 
-    /** @var \Ibexa\Contracts\Core\Repository\NotificationService&\PHPUnit\Framework\MockObject\MockObject */
+    /** @var NotificationService&MockObject */
     private NotificationService $notificationService;
 
     private SystemNotificationChannel $channel;
@@ -44,13 +45,16 @@ protected function setUp(): void
     /**
      * @dataProvider dataProviderForTestSupports
      */
-    public function testSupports(Notification $notification, RecipientInterface $recipient, bool $expectedResult): void
-    {
+    public function testSupports(
+        Notification $notification,
+        RecipientInterface $recipient,
+        bool $expectedResult
+    ): void {
         self::assertEquals($expectedResult, $this->channel->supports($notification, $recipient));
     }
 
     /**
-     * @return iterable<string, array{\Symfony\Component\Notifier\Notification\Notification, \Symfony\Component\Notifier\Recipient\RecipientInterface, bool}>
+     * @return iterable<string, array{Notification, RecipientInterface, bool}>
      */
     public function dataProviderForTestSupports(): iterable
     {
@@ -99,7 +103,7 @@ public function testNotify(): void
     }
 
     /**
-     * @return \Symfony\Component\Notifier\Notification\Notification&\Ibexa\Contracts\Notifications\SystemNotification\SystemNotificationInterface
+     * @return Notification&SystemNotificationInterface
      */
     private function createSupportedNotification(?SystemMessage $message = null): Notification
     {
diff --git a/tests/lib/SubscriptionResolver/ChainSubscriptionResolverTest.php b/tests/lib/SubscriptionResolver/ChainSubscriptionResolverTest.php
index 614cd90..cee4e67 100644
--- a/tests/lib/SubscriptionResolver/ChainSubscriptionResolverTest.php
+++ b/tests/lib/SubscriptionResolver/ChainSubscriptionResolverTest.php
@@ -11,6 +11,7 @@
 use Ibexa\Contracts\Notifications\Value\NotificationInterface;
 use Ibexa\Notifications\SubscriptionResolver\ChainSubscriptionResolver;
 use Ibexa\Notifications\SubscriptionResolver\SubscriptionResolverInterface;
+use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
 
 final class ChainSubscriptionResolverTest extends TestCase
@@ -18,11 +19,13 @@ final class ChainSubscriptionResolverTest extends TestCase
     /**
      * @dataProvider provideForTestResolve
      *
-     * @param array<\Ibexa\Notifications\SubscriptionResolver\SubscriptionResolverInterface> $resolvers
+     * @param array<SubscriptionResolverInterface> $resolvers
      * @param array<string|null> $expectedChannels
      */
-    public function testResolve(array $resolvers, array $expectedChannels): void
-    {
+    public function testResolve(
+        array $resolvers,
+        array $expectedChannels
+    ): void {
         $subscriptionResolver = new ChainSubscriptionResolver($resolvers);
 
         $notification = $this->createMock(NotificationInterface::class);
@@ -33,7 +36,7 @@ public function testResolve(array $resolvers, array $expectedChannels): void
 
     /**
      * @return iterable<string, array{
-     *     array<\Ibexa\Notifications\SubscriptionResolver\SubscriptionResolverInterface|null>,
+     *     array<SubscriptionResolverInterface|null>,
      *     array<string>,
      * }>
      */
@@ -59,7 +62,7 @@ public function provideForTestResolve(): iterable
     /**
      * @param array<string|null> $channels
      *
-     * @return \Ibexa\Notifications\SubscriptionResolver\SubscriptionResolverInterface&\PHPUnit\Framework\MockObject\MockObject
+     * @return SubscriptionResolverInterface&MockObject
      */
     private function mockResolver(array $channels): SubscriptionResolverInterface
     {
diff --git a/tests/lib/SubscriptionResolver/ConfigBasedSubscriptionResolverTest.php b/tests/lib/SubscriptionResolver/ConfigBasedSubscriptionResolverTest.php
index e5fdc30..abcd8ad 100644
--- a/tests/lib/SubscriptionResolver/ConfigBasedSubscriptionResolverTest.php
+++ b/tests/lib/SubscriptionResolver/ConfigBasedSubscriptionResolverTest.php
@@ -12,6 +12,7 @@
 use Ibexa\Contracts\Notifications\Value\NotificationInterface;
 use Ibexa\Notifications\SubscriptionResolver\ConfigBasedSubscriptionResolver;
 use Ibexa\Notifications\Value\ChannelSubscription;
+use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
 
 /**
@@ -21,7 +22,7 @@ final class ConfigBasedSubscriptionResolverTest extends TestCase
 {
     private ConfigBasedSubscriptionResolver $resolver;
 
-    /** @var \Ibexa\Contracts\Core\SiteAccess\ConfigResolverInterface|\PHPUnit\Framework\MockObject\MockObject */
+    /** @var ConfigResolverInterface|MockObject */
     private ConfigResolverInterface $configResolver;
 
     public function setUp(): void