diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f135f73d3cc..7475eb332a3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -74,6 +74,45 @@ jobs:
       - name: Run PHP-CS-Fixer fix
         run: php-cs-fixer fix --dry-run --diff --ansi --show-progress=none
 
+  rector:
+    name: Rector (PHP ${{ matrix.php }})
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    strategy:
+      matrix:
+        php:
+          - '8.3'
+      fail-fast: false
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          extensions: intl, bcmath, curl, openssl, mbstring, mongodb
+          ini-values: memory_limit=-1
+          tools: composer
+          coverage: none
+      - name: Get composer cache directory
+        id: composercache
+        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+      - name: Cache dependencies
+        uses: actions/cache@v5
+        with:
+          path: ${{ steps.composercache.outputs.dir }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
+          restore-keys: ${{ runner.os }}-composer-
+      - name: Update project dependencies
+        run: |
+          composer global require soyuka/pmu
+          composer global config allow-plugins.soyuka/pmu true --no-interaction
+          composer global link .
+      - name: Install Rector
+        run: composer require --dev rector/rector
+      - name: Run Rector
+        run: ./vendor/bin/rector process --dry-run --ansi --no-progress-bar
+
   lint-container:
     name: Lint Container
     runs-on: ubuntu-latest
diff --git a/composer.json b/composer.json
index 010f3445d25..5e50a3b38dc 100644
--- a/composer.json
+++ b/composer.json
@@ -160,6 +160,7 @@
         "psr/log": "^1.0 || ^2.0 || ^3.0",
         "ramsey/uuid": "^4.7",
         "ramsey/uuid-doctrine": "^2.0",
+        "rector/rector": "^2.3",
         "soyuka/contexts": "^3.3.10",
         "soyuka/pmu": "^0.2.0",
         "soyuka/stubs-mongodb": "^1.0",
diff --git a/rector.php b/rector.php
new file mode 100644
index 00000000000..ae108c278ec
--- /dev/null
+++ b/rector.php
@@ -0,0 +1,45 @@
+<?php
+
+/*
+ * This file is part of the API Platform project.
+ *
+ * (c) Kévin Dunglas <dunglas@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use Rector\DeadCode\Rector\ClassMethod\RemoveUnusedPromotedPropertyRector;
+
+return RectorConfig::configure()
+    ->withPaths([
+        __DIR__.'/src',
+        __DIR__.'/tests',
+    ])
+    ->withSkip([
+        __DIR__.'/src/Core/Bridge/Symfony/Maker/Resources/skeleton',
+        __DIR__.'/src/Laravel/Console/Maker/Resources/skeleton',
+        __DIR__.'/src/Laravel/config',
+        __DIR__.'/tests/Fixtures/app/var',
+        __DIR__.'/docs/guides',
+        __DIR__.'/docs/var',
+        __DIR__.'/src/Doctrine/Orm/Tests/var',
+        __DIR__.'/src/Doctrine/Odm/Tests/var',
+        __DIR__.'/tests/Fixtures/app/config/reference.php',
+        __DIR__.'/src/Symfony/Bundle/DependencyInjection/Configuration.php',
+        __DIR__.'/tests/Fixer/SymfonyServiceClassConstantFixer.php',
+        RemoveUnusedPromotedPropertyRector::class => [
+            __DIR__ . '/tests/Fixtures/TestBundle/Filter/SearchTextAndDateFilter.php',
+            __DIR__ . '/tests/Fixtures/TestBundle/Filter/ODMSearchTextAndDateFilter.php',
+        ],
+    ])
+    // uncomment to reach your current PHP version
+    // ->withPhpSets()
+    ->withPreparedSets(
+        typeDeclarations: true,
+        deadCode: true,
+    )
+    ->withCodeQualityLevel(0);
diff --git a/src/Doctrine/Common/Filter/BackedEnumFilterTrait.php b/src/Doctrine/Common/Filter/BackedEnumFilterTrait.php
index 6820ed9754d..bce0d049429 100644
--- a/src/Doctrine/Common/Filter/BackedEnumFilterTrait.php
+++ b/src/Doctrine/Common/Filter/BackedEnumFilterTrait.php
@@ -59,7 +59,7 @@ public function getDescription(string $resourceClass): array
             foreach ($filterParameterNames as $filterParameterName) {
                 $isCollection = str_ends_with($filterParameterName, '[]');
 
-                $enumValues = array_map(static fn (\BackedEnum $case) => $case->value, $this->enumTypes[$property]::cases());
+                $enumValues = array_map(static fn (\BackedEnum $case): int|string => $case->value, $this->enumTypes[$property]::cases());
 
                 $schema = $isCollection
                     ? ['type' => 'array', 'items' => ['type' => 'string', 'enum' => $enumValues]]
@@ -99,7 +99,7 @@ private function normalizeValue(mixed $value, string $property): mixed
             $value = (int) $value;
         }
 
-        $values = array_map(static fn (\BackedEnum $case) => $case->value, $this->enumTypes[$property]::cases());
+        $values = array_map(static fn (\BackedEnum $case): int|string => $case->value, $this->enumTypes[$property]::cases());
 
         if (\in_array($value, $values, true)) {
             return $value;
diff --git a/src/Doctrine/Common/Messenger/DispatchTrait.php b/src/Doctrine/Common/Messenger/DispatchTrait.php
index ece731d42ec..670c2e95d70 100644
--- a/src/Doctrine/Common/Messenger/DispatchTrait.php
+++ b/src/Doctrine/Common/Messenger/DispatchTrait.php
@@ -24,9 +24,6 @@ trait DispatchTrait
 {
     private ?MessageBusInterface $messageBus;
 
-    /**
-     * @param object|Envelope $message
-     */
     private function dispatch(object $message): Envelope
     {
         if (!$this->messageBus instanceof MessageBusInterface) {
diff --git a/src/Doctrine/Common/State/LinksHandlerLocatorTrait.php b/src/Doctrine/Common/State/LinksHandlerLocatorTrait.php
index deeba0fa4b5..0f8e324f2b7 100644
--- a/src/Doctrine/Common/State/LinksHandlerLocatorTrait.php
+++ b/src/Doctrine/Common/State/LinksHandlerLocatorTrait.php
@@ -58,7 +58,7 @@ private function findSimilarMethod(string $className, string $methodName): ?stri
     {
         $methods = get_class_methods($className);
 
-        $similarMethods = array_filter($methods, static function ($method) use ($methodName) {
+        $similarMethods = array_filter($methods, static function ($method) use ($methodName): bool {
             return levenshtein($methodName, $method) <= 3;
         });
 
diff --git a/src/Doctrine/Common/State/PersistProcessor.php b/src/Doctrine/Common/State/PersistProcessor.php
index 2afd1f368ab..f603e0cfa97 100644
--- a/src/Doctrine/Common/State/PersistProcessor.php
+++ b/src/Doctrine/Common/State/PersistProcessor.php
@@ -196,7 +196,7 @@ private function handleLazyObjectRelations(object $data, DoctrineObjectManager $
             $identifiers = $metadata->getIdentifierValues($value);
 
             // Do not get reference for partial objects or objects with null identifiers
-            if (!$identifiers || \count($identifiers) !== \count(array_filter($identifiers, static fn ($v) => null !== $v))) {
+            if (!$identifiers || \count($identifiers) !== \count(array_filter($identifiers, static fn ($v): bool => null !== $v))) {
                 continue;
             }
 
diff --git a/src/Doctrine/Common/Tests/CollectionPaginatorTest.php b/src/Doctrine/Common/Tests/CollectionPaginatorTest.php
index 18804e58632..9c0aa000af5 100644
--- a/src/Doctrine/Common/Tests/CollectionPaginatorTest.php
+++ b/src/Doctrine/Common/Tests/CollectionPaginatorTest.php
@@ -21,7 +21,7 @@
 class CollectionPaginatorTest extends TestCase
 {
     #[DataProvider('initializeProvider')]
-    public function testInitialize($results, $currentPage, $itemsPerPage, $totalItems, $lastPage, $currentItems): void
+    public function testInitialize(array $results, int $currentPage, int $itemsPerPage, int $totalItems, int $lastPage, int $currentItems): void
     {
         $results = new ArrayCollection($results);
         $paginator = new CollectionPaginator($results, $currentPage, $itemsPerPage);
diff --git a/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/Dummy.php b/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/Dummy.php
index ffc3edf77c3..c88bda70f6c 100644
--- a/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/Dummy.php
+++ b/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/Dummy.php
@@ -209,7 +209,7 @@ public function getDummyDate()
         return $this->dummyDate;
     }
 
-    public function setDummyPrice($dummyPrice)
+    public function setDummyPrice($dummyPrice): static
     {
         $this->dummyPrice = $dummyPrice;
 
@@ -284,10 +284,7 @@ public function isDummyBoolean(): ?bool
         return $this->dummyBoolean;
     }
 
-    /**
-     * @param bool $dummyBoolean
-     */
-    public function setDummyBoolean($dummyBoolean): void
+    public function setDummyBoolean(?bool $dummyBoolean): void
     {
         $this->dummyBoolean = $dummyBoolean;
     }
diff --git a/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/EmbeddableDummy.php b/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/EmbeddableDummy.php
index 3947be68b3c..6efdb230ebd 100644
--- a/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/EmbeddableDummy.php
+++ b/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/EmbeddableDummy.php
@@ -60,10 +60,6 @@ public static function staticMethod(): void
     {
     }
 
-    public function __construct()
-    {
-    }
-
     public function getDummyName(): ?string
     {
         return $this->dummyName;
diff --git a/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/RelatedDummy.php b/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/RelatedDummy.php
index 46321b04379..39f659f39ab 100644
--- a/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/RelatedDummy.php
+++ b/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/RelatedDummy.php
@@ -148,10 +148,7 @@ public function isDummyBoolean(): ?bool
         return $this->dummyBoolean;
     }
 
-    /**
-     * @param bool $dummyBoolean
-     */
-    public function setDummyBoolean($dummyBoolean): void
+    public function setDummyBoolean(?bool $dummyBoolean): void
     {
         $this->dummyBoolean = $dummyBoolean;
     }
diff --git a/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/RelatedToDummyFriend.php b/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/RelatedToDummyFriend.php
index b2dfe6e6082..fc72aa2d982 100644
--- a/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/RelatedToDummyFriend.php
+++ b/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/RelatedToDummyFriend.php
@@ -74,10 +74,7 @@ public function getDescription(): ?string
         return $this->description;
     }
 
-    /**
-     * @param string|null $description
-     */
-    public function setDescription($description): void
+    public function setDescription(?string $description): void
     {
         $this->description = $description;
     }
diff --git a/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/ThirdLevel.php b/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/ThirdLevel.php
index b5343eca905..ba9b4cb86a8 100644
--- a/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/ThirdLevel.php
+++ b/src/Doctrine/Common/Tests/Fixtures/TestBundle/Entity/ThirdLevel.php
@@ -61,10 +61,7 @@ public function getLevel(): ?int
         return $this->level;
     }
 
-    /**
-     * @param int $level
-     */
-    public function setLevel($level): void
+    public function setLevel(int $level): void
     {
         $this->level = $level;
     }
@@ -74,10 +71,7 @@ public function isTest(): bool
         return $this->test;
     }
 
-    /**
-     * @param bool $test
-     */
-    public function setTest($test): void
+    public function setTest(bool $test): void
     {
         $this->test = $test;
     }
diff --git a/src/Doctrine/Common/Tests/SelectablePaginatorTest.php b/src/Doctrine/Common/Tests/SelectablePaginatorTest.php
index f877c0c941a..e638601ed71 100644
--- a/src/Doctrine/Common/Tests/SelectablePaginatorTest.php
+++ b/src/Doctrine/Common/Tests/SelectablePaginatorTest.php
@@ -21,7 +21,7 @@
 class SelectablePaginatorTest extends TestCase
 {
     #[DataProvider('initializeProvider')]
-    public function testInitialize($results, $currentPage, $itemsPerPage, $totalItems, $lastPage, $currentItems): void
+    public function testInitialize(array $results, int $currentPage, int $itemsPerPage, int $totalItems, int $lastPage, int $currentItems): void
     {
         $results = new ArrayCollection($results);
         $paginator = new SelectablePaginator($results, $currentPage, $itemsPerPage);
diff --git a/src/Doctrine/Common/Tests/SelectablePartialPaginatorTest.php b/src/Doctrine/Common/Tests/SelectablePartialPaginatorTest.php
index 0721343ffb3..028313cd148 100644
--- a/src/Doctrine/Common/Tests/SelectablePartialPaginatorTest.php
+++ b/src/Doctrine/Common/Tests/SelectablePartialPaginatorTest.php
@@ -21,7 +21,7 @@
 class SelectablePartialPaginatorTest extends TestCase
 {
     #[DataProvider('initializeProvider')]
-    public function testInitialize($results, $currentPage, $itemsPerPage, $currentItems): void
+    public function testInitialize(array $results, int $currentPage, int $itemsPerPage, int $currentItems): void
     {
         $results = new ArrayCollection($results);
         $paginator = new SelectablePartialPaginator($results, $currentPage, $itemsPerPage);
diff --git a/src/Doctrine/Odm/Tests/Fixtures/Document/Dummy.php b/src/Doctrine/Odm/Tests/Fixtures/Document/Dummy.php
index 92eab69cfc5..811fa7774b3 100644
--- a/src/Doctrine/Odm/Tests/Fixtures/Document/Dummy.php
+++ b/src/Doctrine/Odm/Tests/Fixtures/Document/Dummy.php
@@ -112,7 +112,7 @@ public function getId(): ?int
         return $this->id;
     }
 
-    public function setId($id): void
+    public function setId(?int $id): void
     {
         $this->id = $id;
     }
@@ -167,7 +167,7 @@ public function getDummyDate()
         return $this->dummyDate;
     }
 
-    public function setDummyPrice($dummyPrice)
+    public function setDummyPrice($dummyPrice): static
     {
         $this->dummyPrice = $dummyPrice;
 
diff --git a/src/Doctrine/Odm/Tests/Fixtures/Document/DummyFriend.php b/src/Doctrine/Odm/Tests/Fixtures/Document/DummyFriend.php
index d9b73088005..0dbb28db0bd 100644
--- a/src/Doctrine/Odm/Tests/Fixtures/Document/DummyFriend.php
+++ b/src/Doctrine/Odm/Tests/Fixtures/Document/DummyFriend.php
@@ -48,7 +48,7 @@ public function getId(): ?int
      *
      * @param int $id the value to set
      */
-    public function setId($id): void
+    public function setId(?int $id): void
     {
         $this->id = $id;
     }
diff --git a/src/Doctrine/Odm/Tests/Fixtures/Document/EmbeddableDummy.php b/src/Doctrine/Odm/Tests/Fixtures/Document/EmbeddableDummy.php
index 8bd82bdbe33..fbe606c235d 100644
--- a/src/Doctrine/Odm/Tests/Fixtures/Document/EmbeddableDummy.php
+++ b/src/Doctrine/Odm/Tests/Fixtures/Document/EmbeddableDummy.php
@@ -56,10 +56,6 @@ public static function staticMethod(): void
     {
     }
 
-    public function __construct()
-    {
-    }
-
     public function getDummyName(): ?string
     {
         return $this->dummyName;
diff --git a/src/Doctrine/Odm/Tests/Fixtures/Document/RelatedDummy.php b/src/Doctrine/Odm/Tests/Fixtures/Document/RelatedDummy.php
index ecb3cfa75a6..8db50703327 100644
--- a/src/Doctrine/Odm/Tests/Fixtures/Document/RelatedDummy.php
+++ b/src/Doctrine/Odm/Tests/Fixtures/Document/RelatedDummy.php
@@ -100,10 +100,7 @@ public function isDummyBoolean(): ?bool
         return $this->dummyBoolean;
     }
 
-    /**
-     * @param bool $dummyBoolean
-     */
-    public function setDummyBoolean($dummyBoolean): void
+    public function setDummyBoolean(?bool $dummyBoolean): void
     {
         $this->dummyBoolean = $dummyBoolean;
     }
diff --git a/src/Doctrine/Odm/Tests/Fixtures/Document/RelatedToDummyFriend.php b/src/Doctrine/Odm/Tests/Fixtures/Document/RelatedToDummyFriend.php
index 81f5647d89c..875e802c549 100644
--- a/src/Doctrine/Odm/Tests/Fixtures/Document/RelatedToDummyFriend.php
+++ b/src/Doctrine/Odm/Tests/Fixtures/Document/RelatedToDummyFriend.php
@@ -63,10 +63,7 @@ public function getDescription(): ?string
         return $this->description;
     }
 
-    /**
-     * @param string|null $description
-     */
-    public function setDescription($description): void
+    public function setDescription(?string $description): void
     {
         $this->description = $description;
     }
diff --git a/src/Doctrine/Orm/Filter/AbstractUuidFilter.php b/src/Doctrine/Orm/Filter/AbstractUuidFilter.php
index 5f221fdc6b2..3725d56f6c0 100644
--- a/src/Doctrine/Orm/Filter/AbstractUuidFilter.php
+++ b/src/Doctrine/Orm/Filter/AbstractUuidFilter.php
@@ -63,10 +63,10 @@ public function apply(QueryBuilder $queryBuilder, QueryNameGeneratorInterface $q
             throw new InvalidArgumentException(\sprintf('The filter parameter with key "%s" must specify a property. Nested properties are not automatically resolved. Please provide the property explicitly.', $parameter->getKey()));
         }
 
-        $this->filterProperty($parameter->getProperty(), $parameter->getValue(), $queryBuilder, $queryNameGenerator, $resourceClass, $operation, $context);
+        $this->filterProperty($parameter->getProperty(), $parameter->getValue(), $queryBuilder, $queryNameGenerator, $resourceClass);
     }
 
-    private function filterProperty(string $property, mixed $value, QueryBuilder $queryBuilder, QueryNameGeneratorInterface $queryNameGenerator, string $resourceClass, ?Operation $operation = null, array $context = []): void
+    private function filterProperty(string $property, mixed $value, QueryBuilder $queryBuilder, QueryNameGeneratorInterface $queryNameGenerator, string $resourceClass): void
     {
         $alias = $queryBuilder->getRootAliases()[0];
         $field = $property;
diff --git a/src/Doctrine/Orm/Filter/BackedEnumFilter.php b/src/Doctrine/Orm/Filter/BackedEnumFilter.php
index ab39bd0d405..95f810af229 100644
--- a/src/Doctrine/Orm/Filter/BackedEnumFilter.php
+++ b/src/Doctrine/Orm/Filter/BackedEnumFilter.php
@@ -128,7 +128,7 @@ protected function filterProperty(string $property, mixed $value, QueryBuilder $
         $values = \is_array($value) ? $value : [$value];
 
         $normalizedValues = array_filter(array_map(
-            fn ($v) => $this->normalizeValue($v, $property),
+            fn ($v): mixed => $this->normalizeValue($v, $property),
             $values
         ));
 
diff --git a/src/Doctrine/Orm/Filter/SearchFilter.php b/src/Doctrine/Orm/Filter/SearchFilter.php
index a93a8c197c9..6c10c35cd51 100644
--- a/src/Doctrine/Orm/Filter/SearchFilter.php
+++ b/src/Doctrine/Orm/Filter/SearchFilter.php
@@ -252,7 +252,7 @@ protected function filterProperty(string $property, mixed $value, QueryBuilder $
         }, $values);
 
         $expected = \count($values);
-        $values = array_filter($values, static fn ($value) => null !== $value);
+        $values = array_filter($values, static fn ($value): bool => null !== $value);
         if ($expected > \count($values)) {
             /*
              * Shouldn't this actually fail harder?
diff --git a/src/Doctrine/Orm/Tests/Extension/FilterEagerLoadingExtensionTest.php b/src/Doctrine/Orm/Tests/Extension/FilterEagerLoadingExtensionTest.php
index f1ffacda340..a650df86660 100644
--- a/src/Doctrine/Orm/Tests/Extension/FilterEagerLoadingExtensionTest.php
+++ b/src/Doctrine/Orm/Tests/Extension/FilterEagerLoadingExtensionTest.php
@@ -363,8 +363,7 @@ public function testFetchEagerWithNoForceEager(): void
             DummyCar::class,
             'car',
             'WITH',
-            'car.id = o.car',
-            null
+            'car.id = o.car'
         );
 
         $qb->select('o')
diff --git a/src/Doctrine/Orm/Tests/Fixtures/Entity/CompositeItem.php b/src/Doctrine/Orm/Tests/Fixtures/Entity/CompositeItem.php
index d9dd0451a87..8db16de6e36 100644
--- a/src/Doctrine/Orm/Tests/Fixtures/Entity/CompositeItem.php
+++ b/src/Doctrine/Orm/Tests/Fixtures/Entity/CompositeItem.php
@@ -63,7 +63,7 @@ public function getField1(): ?string
      *
      * @param string|null $field1 the value to set
      */
-    public function setField1($field1 = null): void
+    public function setField1(?string $field1 = null): void
     {
         $this->field1 = $field1;
     }
diff --git a/src/Doctrine/Orm/Tests/Fixtures/Entity/CompositeRelation.php b/src/Doctrine/Orm/Tests/Fixtures/Entity/CompositeRelation.php
index 8265ad052d0..6d859d6dcae 100644
--- a/src/Doctrine/Orm/Tests/Fixtures/Entity/CompositeRelation.php
+++ b/src/Doctrine/Orm/Tests/Fixtures/Entity/CompositeRelation.php
@@ -51,7 +51,7 @@ public function getValue(): ?string
      *
      * @param string|null $value the value to set
      */
-    public function setValue($value = null): void
+    public function setValue(?string $value = null): void
     {
         $this->value = $value;
     }
diff --git a/src/Doctrine/Orm/Tests/Fixtures/Entity/Dummy.php b/src/Doctrine/Orm/Tests/Fixtures/Entity/Dummy.php
index f5a29cc0d03..a18a87be7d6 100644
--- a/src/Doctrine/Orm/Tests/Fixtures/Entity/Dummy.php
+++ b/src/Doctrine/Orm/Tests/Fixtures/Entity/Dummy.php
@@ -212,7 +212,7 @@ public function getDummyDate()
         return $this->dummyDate;
     }
 
-    public function setDummyPrice($dummyPrice)
+    public function setDummyPrice($dummyPrice): static
     {
         $this->dummyPrice = $dummyPrice;
 
@@ -287,10 +287,7 @@ public function isDummyBoolean(): ?bool
         return $this->dummyBoolean;
     }
 
-    /**
-     * @param bool $dummyBoolean
-     */
-    public function setDummyBoolean($dummyBoolean): void
+    public function setDummyBoolean(?bool $dummyBoolean): void
     {
         $this->dummyBoolean = $dummyBoolean;
     }
diff --git a/src/Doctrine/Orm/Tests/Fixtures/Entity/DummyCar.php b/src/Doctrine/Orm/Tests/Fixtures/Entity/DummyCar.php
index ba9fd297690..449ecf69544 100644
--- a/src/Doctrine/Orm/Tests/Fixtures/Entity/DummyCar.php
+++ b/src/Doctrine/Orm/Tests/Fixtures/Entity/DummyCar.php
@@ -97,7 +97,7 @@ public function getSecondColors(): ?iterable
         return $this->secondColors;
     }
 
-    public function setSecondColors($secondColors): void
+    public function setSecondColors(?iterable $secondColors): void
     {
         $this->secondColors = $secondColors;
     }
@@ -107,7 +107,7 @@ public function getThirdColors(): ?iterable
         return $this->thirdColors;
     }
 
-    public function setThirdColors($thirdColors): void
+    public function setThirdColors(?iterable $thirdColors): void
     {
         $this->thirdColors = $thirdColors;
     }
@@ -117,7 +117,7 @@ public function getUuid(): ?iterable
         return $this->uuid;
     }
 
-    public function setUuid($uuid): void
+    public function setUuid(?iterable $uuid): void
     {
         $this->uuid = $uuid;
     }
diff --git a/src/Doctrine/Orm/Tests/Fixtures/Entity/DummyCarColor.php b/src/Doctrine/Orm/Tests/Fixtures/Entity/DummyCarColor.php
index 816a0f8935a..bf97c009ad3 100644
--- a/src/Doctrine/Orm/Tests/Fixtures/Entity/DummyCarColor.php
+++ b/src/Doctrine/Orm/Tests/Fixtures/Entity/DummyCarColor.php
@@ -51,10 +51,7 @@ public function getCar(): ?DummyCar
         return $this->car;
     }
 
-    /**
-     * @return static
-     */
-    public function setCar(DummyCar $car)
+    public function setCar(DummyCar $car): static
     {
         $this->car = $car;
 
@@ -66,12 +63,7 @@ public function getProp(): string
         return $this->prop;
     }
 
-    /**
-     * @param string $prop
-     *
-     * @return static
-     */
-    public function setProp($prop)
+    public function setProp(string $prop): static
     {
         $this->prop = $prop;
 
diff --git a/src/Doctrine/Orm/Tests/Fixtures/Entity/EmbeddableDummy.php b/src/Doctrine/Orm/Tests/Fixtures/Entity/EmbeddableDummy.php
index c47bed99191..01eb4e737f6 100644
--- a/src/Doctrine/Orm/Tests/Fixtures/Entity/EmbeddableDummy.php
+++ b/src/Doctrine/Orm/Tests/Fixtures/Entity/EmbeddableDummy.php
@@ -62,10 +62,6 @@ public static function staticMethod(): void
     {
     }
 
-    public function __construct()
-    {
-    }
-
     public function getDummyName(): ?string
     {
         return $this->dummyName;
diff --git a/src/Doctrine/Orm/Tests/Fixtures/Entity/RelatedDummy.php b/src/Doctrine/Orm/Tests/Fixtures/Entity/RelatedDummy.php
index e35427b26ee..4af08821320 100644
--- a/src/Doctrine/Orm/Tests/Fixtures/Entity/RelatedDummy.php
+++ b/src/Doctrine/Orm/Tests/Fixtures/Entity/RelatedDummy.php
@@ -159,10 +159,7 @@ public function isDummyBoolean(): ?bool
         return $this->dummyBoolean;
     }
 
-    /**
-     * @param bool $dummyBoolean
-     */
-    public function setDummyBoolean($dummyBoolean): void
+    public function setDummyBoolean(?bool $dummyBoolean): void
     {
         $this->dummyBoolean = $dummyBoolean;
     }
diff --git a/src/Doctrine/Orm/Tests/Fixtures/Entity/RelatedToDummyFriend.php b/src/Doctrine/Orm/Tests/Fixtures/Entity/RelatedToDummyFriend.php
index fb810987dd7..6981de64bec 100644
--- a/src/Doctrine/Orm/Tests/Fixtures/Entity/RelatedToDummyFriend.php
+++ b/src/Doctrine/Orm/Tests/Fixtures/Entity/RelatedToDummyFriend.php
@@ -74,10 +74,7 @@ public function getDescription(): ?string
         return $this->description;
     }
 
-    /**
-     * @param string|null $description
-     */
-    public function setDescription($description): void
+    public function setDescription(?string $description): void
     {
         $this->description = $description;
     }
diff --git a/src/Doctrine/Orm/Tests/Fixtures/Entity/ThirdLevel.php b/src/Doctrine/Orm/Tests/Fixtures/Entity/ThirdLevel.php
index 9cbd04ab9aa..03f52ce1c61 100644
--- a/src/Doctrine/Orm/Tests/Fixtures/Entity/ThirdLevel.php
+++ b/src/Doctrine/Orm/Tests/Fixtures/Entity/ThirdLevel.php
@@ -71,10 +71,7 @@ public function getLevel(): ?int
         return $this->level;
     }
 
-    /**
-     * @param int $level
-     */
-    public function setLevel($level): void
+    public function setLevel(int $level): void
     {
         $this->level = $level;
     }
@@ -84,10 +81,7 @@ public function isTest(): bool
         return $this->test;
     }
 
-    /**
-     * @param bool $test
-     */
-    public function setTest($test): void
+    public function setTest(bool $test): void
     {
         $this->test = $test;
     }
diff --git a/src/Doctrine/Orm/Tests/Fixtures/Query.php b/src/Doctrine/Orm/Tests/Fixtures/Query.php
index f6536af2004..42ef657ac8f 100644
--- a/src/Doctrine/Orm/Tests/Fixtures/Query.php
+++ b/src/Doctrine/Orm/Tests/Fixtures/Query.php
@@ -45,7 +45,7 @@ public function setParameters($parameters): self
         return $this;
     }
 
-    public function getParameters()
+    public function getParameters(): ArrayCollection
     {
         return new ArrayCollection();
     }
@@ -55,12 +55,12 @@ public function setCacheable($cacheable): self
         return $this;
     }
 
-    public function getHints()
+    public function getHints(): array
     {
         return [];
     }
 
-    public function getFetchJoinCollection()
+    public function getFetchJoinCollection(): bool
     {
         return false;
     }
diff --git a/src/Doctrine/Orm/Tests/Fixtures/State/OperationResourceProcessor.php b/src/Doctrine/Orm/Tests/Fixtures/State/OperationResourceProcessor.php
index 874cb2f1ca0..4f5a31fd308 100644
--- a/src/Doctrine/Orm/Tests/Fixtures/State/OperationResourceProcessor.php
+++ b/src/Doctrine/Orm/Tests/Fixtures/State/OperationResourceProcessor.php
@@ -30,7 +30,7 @@ public function __construct(private readonly ManagerRegistry $managerRegistry)
     {
     }
 
-    private function persist($data, array $context = [])
+    private function persist($data)
     {
         if (!$manager = $this->getManager($data)) {
             return $data;
@@ -78,7 +78,7 @@ private function getManager($data): ?DoctrineObjectManager
     /**
      * Checks if doctrine does not manage data automatically.
      */
-    private function isDeferredExplicit(DoctrineObjectManager $manager, $data): bool
+    private function isDeferredExplicit(DoctrineObjectManager $manager, object $data): bool
     {
         $classMetadata = $manager->getClassMetadata($this->getObjectClass($data));
         if (($classMetadata instanceof ClassMetadata || $classMetadata instanceof ODMClassMetadata) && method_exists($classMetadata, 'isChangeTrackingDeferredExplicit')) {
diff --git a/src/Doctrine/Orm/Tests/State/ItemProviderTest.php b/src/Doctrine/Orm/Tests/State/ItemProviderTest.php
index 168939cc047..3525a6e953e 100644
--- a/src/Doctrine/Orm/Tests/State/ItemProviderTest.php
+++ b/src/Doctrine/Orm/Tests/State/ItemProviderTest.php
@@ -224,7 +224,7 @@ public function testCannotCreateQueryBuilder(): void
     /**
      * Gets a mocked manager registry.
      */
-    private function getManagerRegistry(string $resourceClass, array $identifierFields, QueryBuilder $queryBuilder, array $classMetadatas = [])
+    private function getManagerRegistry(string $resourceClass, array $identifierFields, QueryBuilder $queryBuilder, array $classMetadatas = []): \PHPUnit\Framework\MockObject\MockObject
     {
         $classMetadataMock = $this->createMock(ClassMetadata::class);
         $classMetadataMock->method('getIdentifierFieldNames')->willReturn(array_keys($identifierFields));
diff --git a/src/Doctrine/Orm/Util/QueryChecker.php b/src/Doctrine/Orm/Util/QueryChecker.php
index fc1bad9244a..b5b4dc5d2b7 100644
--- a/src/Doctrine/Orm/Util/QueryChecker.php
+++ b/src/Doctrine/Orm/Util/QueryChecker.php
@@ -169,7 +169,7 @@ public static function hasJoinedToManyAssociation(QueryBuilder $queryBuilder, Ma
         }
 
         foreach ($joinAliases as $joinAlias) {
-            foreach (QueryBuilderHelper::traverseJoins($joinAlias, $queryBuilder, $managerRegistry) as $alias => [$metadata, $association]) {
+            foreach (QueryBuilderHelper::traverseJoins($joinAlias, $queryBuilder, $managerRegistry) as [$metadata, $association]) {
                 if (null !== $association && $metadata->isCollectionValuedAssociation($association)) {
                     return true;
                 }
diff --git a/src/Elasticsearch/Tests/Util/FieldDatatypeTraitTest.php b/src/Elasticsearch/Tests/Util/FieldDatatypeTraitTest.php
index fec6ba90695..e5146013fd2 100644
--- a/src/Elasticsearch/Tests/Util/FieldDatatypeTraitTest.php
+++ b/src/Elasticsearch/Tests/Util/FieldDatatypeTraitTest.php
@@ -88,7 +88,7 @@ public function testIsNestedField(): void
         self::assertFalse($fieldDatatype->isNestedField(Foo::class, 'baz'));
     }
 
-    private function getValidFieldDatatype()
+    private function getValidFieldDatatype(): object
     {
         $fooType = Type::object(Foo::class);
         $barType = Type::list(Type::object(Foo::class));
@@ -106,7 +106,7 @@ private function getValidFieldDatatype()
             $resourceClassResolverProphecy->reveal());
     }
 
-    private static function createFieldDatatypeInstance(PropertyMetadataFactoryInterface $propertyMetadataFactory, ResourceClassResolverInterface $resourceClassResolver)
+    private static function createFieldDatatypeInstance(PropertyMetadataFactoryInterface $propertyMetadataFactory, ResourceClassResolverInterface $resourceClassResolver): object
     {
         return new class($propertyMetadataFactory, $resourceClassResolver) {
             use FieldDatatypeTrait {
diff --git a/src/GraphQl/Action/GraphiQlAction.php b/src/GraphQl/Action/GraphiQlAction.php
index ca67f91e030..94e17800404 100644
--- a/src/GraphQl/Action/GraphiQlAction.php
+++ b/src/GraphQl/Action/GraphiQlAction.php
@@ -13,7 +13,6 @@
 
 namespace ApiPlatform\GraphQl\Action;
 
-use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
 use Symfony\Component\Routing\RouterInterface;
@@ -33,7 +32,7 @@ public function __construct(private readonly TwigEnvironment $twig, private read
     {
     }
 
-    public function __invoke(Request $request): Response
+    public function __invoke(): Response
     {
         if ($this->graphiqlEnabled) {
             return new Response($this->twig->render('@ApiPlatform/Graphiql/index.html.twig', [
@@ -42,7 +41,6 @@ public function __invoke(Request $request): Response
                 'assetPackage' => $this->assetPackage,
             ]), 200, ['content-type' => 'text/html']);
         }
-
         throw new BadRequestHttpException('GraphiQL is not enabled.');
     }
 }
diff --git a/src/GraphQl/Metadata/RuntimeOperationMetadataFactory.php b/src/GraphQl/Metadata/RuntimeOperationMetadataFactory.php
index 6b280da24cf..c14eb47871d 100644
--- a/src/GraphQl/Metadata/RuntimeOperationMetadataFactory.php
+++ b/src/GraphQl/Metadata/RuntimeOperationMetadataFactory.php
@@ -30,7 +30,7 @@ public function __construct(private readonly ResourceMetadataCollectionFactoryIn
     {
     }
 
-    public function create(string $uriTemplate, array $context = []): Operation
+    public function create(string $uriTemplate, array $context = []): Query
     {
         try {
             $parameters = $this->router->match($uriTemplate);
diff --git a/src/GraphQl/Resolver/Factory/ResolverFactory.php b/src/GraphQl/Resolver/Factory/ResolverFactory.php
index 074728a53a9..c9fc8a73cf7 100644
--- a/src/GraphQl/Resolver/Factory/ResolverFactory.php
+++ b/src/GraphQl/Resolver/Factory/ResolverFactory.php
@@ -65,7 +65,7 @@ public function __invoke(?string $resourceClass = null, ?string $rootClass = nul
                     $type = $propertyMetadata?->getNativeType();
 
                     // Data already fetched and normalized (field or nested resource)
-                    if ($body || null === $resourceClass || ($type && !$type->isSatisfiedBy(static fn ($t) => $t instanceof CollectionType))) {
+                    if ($body || null === $resourceClass || ($type && !$type->isSatisfiedBy(static fn ($t): bool => $t instanceof CollectionType))) {
                         return $body;
                     }
                 } else {
@@ -83,7 +83,7 @@ public function __invoke(?string $resourceClass = null, ?string $rootClass = nul
                 return null;
             }
 
-            return $this->resolve($source, $args, $info, $rootClass, $operation, null);
+            return $this->resolve($source, $args, $info, $rootClass, $operation);
         };
     }
 
diff --git a/src/GraphQl/State/Processor/NormalizeProcessor.php b/src/GraphQl/State/Processor/NormalizeProcessor.php
index 29fe2b9f75a..e56ed20abc2 100644
--- a/src/GraphQl/State/Processor/NormalizeProcessor.php
+++ b/src/GraphQl/State/Processor/NormalizeProcessor.php
@@ -46,16 +46,15 @@ public function process(mixed $data, Operation $operation, array $uriVariables =
             return $data;
         }
 
-        return $this->getData($data, $operation, $uriVariables, $context);
+        return $this->getData($data, $operation, $context);
     }
 
     /**
-     * @param array<string, mixed> $uriVariables
      * @param array<string, mixed> $context
      *
      * @return array<string, mixed>
      */
-    private function getData(mixed $itemOrCollection, GraphQlOperation $operation, array $uriVariables = [], array $context = []): ?array
+    private function getData(mixed $itemOrCollection, GraphQlOperation $operation, array $context = []): ?array
     {
         if (!($operation->canSerialize() ?? true)) {
             if ($operation instanceof CollectionOperationInterface) {
diff --git a/src/GraphQl/Tests/ExecutorTest.php b/src/GraphQl/Tests/ExecutorTest.php
index e6b64c77a85..93d44aaadf9 100644
--- a/src/GraphQl/Tests/ExecutorTest.php
+++ b/src/GraphQl/Tests/ExecutorTest.php
@@ -27,7 +27,7 @@ class ExecutorTest extends TestCase
 {
     public function testEnableIntrospectionQuery(): void
     {
-        $executor = new Executor(true);
+        new Executor(true);
 
         $expected = new DisableIntrospection(DisableIntrospection::DISABLED);
         $this->assertEquals($expected, DocumentValidator::getRule(DisableIntrospection::class));
@@ -35,7 +35,7 @@ public function testEnableIntrospectionQuery(): void
 
     public function testDisableIntrospectionQuery(): void
     {
-        $executor = new Executor(false);
+        new Executor(false);
 
         $expected = new DisableIntrospection(DisableIntrospection::ENABLED);
         $this->assertEquals($expected, DocumentValidator::getRule(DisableIntrospection::class));
@@ -43,7 +43,7 @@ public function testDisableIntrospectionQuery(): void
 
     public function testChangeValueOfMaxQueryDepth(): void
     {
-        $executor = new Executor(true, 20);
+        new Executor(true, 20);
 
         $expected = new QueryComplexity(20);
         $this->assertEquals($expected, DocumentValidator::getRule(QueryComplexity::class));
@@ -51,7 +51,7 @@ public function testChangeValueOfMaxQueryDepth(): void
 
     public function testChangeValueOfMaxQueryComplexity(): void
     {
-        $executor = new Executor(true, maxQueryDepth: 20);
+        new Executor(true, maxQueryDepth: 20);
 
         $expected = new QueryDepth(20);
         $this->assertEquals($expected, DocumentValidator::getRule(QueryDepth::class));
diff --git a/src/GraphQl/Tests/Fixtures/ApiResource/Dummy.php b/src/GraphQl/Tests/Fixtures/ApiResource/Dummy.php
index c90666c24f5..8bb9dc8be0e 100644
--- a/src/GraphQl/Tests/Fixtures/ApiResource/Dummy.php
+++ b/src/GraphQl/Tests/Fixtures/ApiResource/Dummy.php
@@ -158,7 +158,7 @@ public function getDummyDate()
         return $this->dummyDate;
     }
 
-    public function setDummyPrice($dummyPrice)
+    public function setDummyPrice($dummyPrice): static
     {
         $this->dummyPrice = $dummyPrice;
 
@@ -195,10 +195,7 @@ public function isDummyBoolean(): ?bool
         return $this->dummyBoolean;
     }
 
-    /**
-     * @param bool $dummyBoolean
-     */
-    public function setDummyBoolean($dummyBoolean): void
+    public function setDummyBoolean(?bool $dummyBoolean): void
     {
         $this->dummyBoolean = $dummyBoolean;
     }
diff --git a/src/GraphQl/Tests/Fixtures/ApiResource/SecuredDummy.php b/src/GraphQl/Tests/Fixtures/ApiResource/SecuredDummy.php
index 24071232d11..ab19780cb0b 100644
--- a/src/GraphQl/Tests/Fixtures/ApiResource/SecuredDummy.php
+++ b/src/GraphQl/Tests/Fixtures/ApiResource/SecuredDummy.php
@@ -44,10 +44,6 @@ class SecuredDummy
     #[ApiProperty(security: 'object == null or object.getOwner() == user', securityPostDenormalize: 'object.getOwner() == user')]
     private string $ownerOnlyProperty = '';
 
-    public function __construct()
-    {
-    }
-
     public function getId(): ?int
     {
         return $this->id;
diff --git a/src/GraphQl/Tests/Resolver/Util/IdentifierTraitTest.php b/src/GraphQl/Tests/Resolver/Util/IdentifierTraitTest.php
index 64b0645750e..55e5359855a 100644
--- a/src/GraphQl/Tests/Resolver/Util/IdentifierTraitTest.php
+++ b/src/GraphQl/Tests/Resolver/Util/IdentifierTraitTest.php
@@ -21,7 +21,7 @@
  */
 class IdentifierTraitTest extends TestCase
 {
-    private function getIdentifierTraitImplementation()
+    private function getIdentifierTraitImplementation(): object
     {
         return new class {
             use IdentifierTrait {
diff --git a/src/GraphQl/Tests/Serializer/ItemNormalizerTest.php b/src/GraphQl/Tests/Serializer/ItemNormalizerTest.php
index e528ee4e941..8324b5ec4d6 100644
--- a/src/GraphQl/Tests/Serializer/ItemNormalizerTest.php
+++ b/src/GraphQl/Tests/Serializer/ItemNormalizerTest.php
@@ -164,7 +164,7 @@ public function testNormalizeWithUnsafeCacheProperty(): void
             SecuredDummy::class,
             'object == null or object.getOwner() == user',
             Argument::type('array')
-        )->will(static function (array $args) {
+        )->will(static function (array $args): bool {
             return 'hello' === $args[2]['object']->getTitle(); // Allow access only for securedDummyWithOwnerOnlyPropertyAllowed
         });
 
diff --git a/src/GraphQl/Tests/State/Processor/NormalizeProcessorTest.php b/src/GraphQl/Tests/State/Processor/NormalizeProcessorTest.php
index 2d7ba11fab9..9ff49eb162d 100644
--- a/src/GraphQl/Tests/State/Processor/NormalizeProcessorTest.php
+++ b/src/GraphQl/Tests/State/Processor/NormalizeProcessorTest.php
@@ -44,7 +44,7 @@ protected function setUp(): void
     }
 
     #[DataProvider('processItems')]
-    public function testProcess($body, $operation): void
+    public function testProcess(\stdClass $body, Query|Mutation|Subscription $operation): void
     {
         $context = ['args' => []];
         $serializerContext = ['resource_class' => $operation->getClass()];
@@ -66,7 +66,7 @@ public static function processItems(): array
     }
 
     #[DataProvider('processCollection')]
-    public function testProcessCollection($collection, $operation, $args, ?array $expectedResult, array $getFieldSelection, ?string $expectedExceptionClass = null, ?string $expectedExceptionMessage = null): void
+    public function testProcessCollection(ArrayPaginator|\Closure|array $collection, QueryCollection $operation, array $args, ?array $expectedResult, array $getFieldSelection, ?string $expectedExceptionClass = null, ?string $expectedExceptionMessage = null): void
     {
         $this->resolveInfoProphecy->getFieldSelection(1)->willReturn($getFieldSelection);
         $context = ['args' => $args, 'info' => $this->resolveInfoProphecy->reveal()];
diff --git a/src/GraphQl/Tests/Type/FieldsBuilderTest.php b/src/GraphQl/Tests/Type/FieldsBuilderTest.php
index 268c7d56295..42ad3e07c49 100644
--- a/src/GraphQl/Tests/Type/FieldsBuilderTest.php
+++ b/src/GraphQl/Tests/Type/FieldsBuilderTest.php
@@ -468,7 +468,7 @@ public static function subscriptionFieldsProvider(): array
     public function testGetResourceObjectTypeFields(string $resourceClass, Operation $operation, array $properties, bool $input, int $depth, ?array $ioMetadata, array $expectedResourceObjectTypeFields, ?callable $advancedNameConverterFactory = null): void
     {
         $resourceClassResolver = $this->createMock(ResourceClassResolverInterface::class);
-        $resourceClassResolver->method('isResourceClass')->willReturnCallback(static function ($class) use ($resourceClass) {
+        $resourceClassResolver->method('isResourceClass')->willReturnCallback(static function ($class) use ($resourceClass): bool {
             return \in_array($class, [$resourceClass, 'nestedResourceClass', 'nestedResourceNoQueryClass'], true);
         });
 
diff --git a/src/GraphQl/Tests/Type/TypeBuilderTest.php b/src/GraphQl/Tests/Type/TypeBuilderTest.php
index ddef6ba5b4e..71e65158acd 100644
--- a/src/GraphQl/Tests/Type/TypeBuilderTest.php
+++ b/src/GraphQl/Tests/Type/TypeBuilderTest.php
@@ -54,8 +54,7 @@ class TypeBuilderTest extends TestCase
     use ProphecyTrait;
 
     private ObjectProphecy $typesContainerProphecy;
-    /** @var callable */
-    private $defaultFieldResolver;
+    private \Closure $defaultFieldResolver;
     private ObjectProphecy $fieldsBuilderLocatorProphecy;
     private TypeBuilder $typeBuilder;
 
diff --git a/src/GraphQl/Type/FieldsBuilder.php b/src/GraphQl/Type/FieldsBuilder.php
index 458f92bb248..8b8df31961c 100644
--- a/src/GraphQl/Type/FieldsBuilder.php
+++ b/src/GraphQl/Type/FieldsBuilder.php
@@ -331,7 +331,6 @@ private function parameterToObjectType(array $flattenFields, string $name): Inpu
             $type = $this->getParameterType($type);
             if (\is_array($l = $field['leafs'])) {
                 if (0 === key($l)) {
-                    $key = $key;
                     $type = GraphQLType::listOf($type);
                 } else {
                     $n = [];
@@ -406,7 +405,7 @@ private function getResourceFieldConfiguration(?string $property, ?string $field
         }
 
         try {
-            $isCollectionType = $type->isSatisfiedBy(static fn ($t) => $t instanceof CollectionType) && ($v = TypeHelper::getCollectionValueType($type)) && TypeHelper::getClassName($v);
+            $isCollectionType = $type->isSatisfiedBy(static fn ($t): bool => $t instanceof CollectionType) && ($v = TypeHelper::getCollectionValueType($type)) && TypeHelper::getClassName($v);
 
             $valueType = $type;
             if ($isCollectionType) {
@@ -657,7 +656,7 @@ private function mergeFilterArgs(array $args, array $parsed, ?Operation $operati
             if (\is_array($value)) {
                 $value = $this->mergeFilterArgs($args[$key] ?? [], $value);
                 if (!isset($value['#name'])) {
-                    $name = (false === $pos = strrpos($original, '[')) ? $original : substr($original, 0, (int) $pos);
+                    $name = (false === $pos = strrpos($original, '[')) ? $original : substr($original, 0, $pos);
                     $value['#name'] = ($operation ? $operation->getShortName() : '').'Filter_'.strtr($name, ['[' => '_', ']' => '', '.' => '__']);
                 }
             }
@@ -730,7 +729,7 @@ private function convertType(Type|LegacyType $type, bool $input, Operation $reso
             $graphqlType = $this->typesContainer->get($graphqlType);
         }
 
-        if ($type->isSatisfiedBy(static fn ($t) => $t instanceof CollectionType) && ($collectionValueType = TypeHelper::getCollectionValueType($type)) && TypeHelper::getClassName($collectionValueType)) {
+        if ($type->isSatisfiedBy(static fn ($t): bool => $t instanceof CollectionType) && ($collectionValueType = TypeHelper::getCollectionValueType($type)) && TypeHelper::getClassName($collectionValueType)) {
             if (!$input && !$this->isEnumClass($resourceClass) && $this->pagination->isGraphQlEnabled($resourceOperation)) {
                 return $this->typeBuilder->getPaginatedCollectionType($graphqlType, $resourceOperation);
             }
diff --git a/src/GraphQl/Type/TypeBuilder.php b/src/GraphQl/Type/TypeBuilder.php
index 43152f0b6dd..81a940ea395 100644
--- a/src/GraphQl/Type/TypeBuilder.php
+++ b/src/GraphQl/Type/TypeBuilder.php
@@ -137,7 +137,7 @@ public function getNodeInterface(): InterfaceType
                     'description' => 'The id of this node.',
                 ],
             ],
-            'resolveType' => function ($value): ?GraphQLType {
+            'resolveType' => function (array $value): ?GraphQLType {
                 if (!isset($value[ItemNormalizer::ITEM_RESOURCE_CLASS_KEY])) {
                     return null;
                 }
@@ -204,7 +204,6 @@ public function getEnumType(Operation $operation): GraphQLType
 
         /** @var FieldsBuilderEnumInterface $fieldsBuilder */
         $fieldsBuilder = $this->fieldsBuilderLocator->get('api_platform.graphql.fields_builder');
-        $enumCases = [];
         $enumCases = $fieldsBuilder->getEnumFields($operation->getClass());
 
         $enumConfig = [
diff --git a/src/GraphQl/Type/TypeConverter.php b/src/GraphQl/Type/TypeConverter.php
index ca74645aa51..601c0dc12fc 100644
--- a/src/GraphQl/Type/TypeConverter.php
+++ b/src/GraphQl/Type/TypeConverter.php
@@ -137,7 +137,7 @@ public function resolveType(string $type): GraphQLType
     private function getResourceType(Type|LegacyType $type, bool $input, Operation $rootOperation, string $rootResource, ?string $property, int $depth): ?GraphQLType
     {
         if ($type instanceof Type) {
-            $isCollection = $type->isSatisfiedBy(static fn ($t) => $t instanceof CollectionType);
+            $isCollection = $type->isSatisfiedBy(static fn ($t): bool => $t instanceof CollectionType);
 
             if ($isCollection) {
                 $type = TypeHelper::getCollectionValueType($type);
diff --git a/src/Hal/Serializer/ItemNormalizer.php b/src/Hal/Serializer/ItemNormalizer.php
index b4ff28d5ce7..e9a663519d1 100644
--- a/src/Hal/Serializer/ItemNormalizer.php
+++ b/src/Hal/Serializer/ItemNormalizer.php
@@ -62,7 +62,7 @@ final class ItemNormalizer extends AbstractItemNormalizer
 
     public function __construct(PropertyNameCollectionFactoryInterface $propertyNameCollectionFactory, PropertyMetadataFactoryInterface $propertyMetadataFactory, IriConverterInterface $iriConverter, ResourceClassResolverInterface $resourceClassResolver, ?PropertyAccessorInterface $propertyAccessor = null, ?NameConverterInterface $nameConverter = null, ?ClassMetadataFactoryInterface $classMetadataFactory = null, array $defaultContext = [], ?ResourceMetadataCollectionFactoryInterface $resourceMetadataCollectionFactory = null, ?ResourceAccessCheckerInterface $resourceAccessChecker = null, ?TagCollectorInterface $tagCollector = null, ?OperationResourceClassResolverInterface $operationResourceResolver = null)
     {
-        $defaultContext[AbstractNormalizer::CIRCULAR_REFERENCE_HANDLER] = function ($object): ?array {
+        $defaultContext[AbstractNormalizer::CIRCULAR_REFERENCE_HANDLER] = function (object|string $object): ?array {
             $iri = $this->iriConverter->getIriFromResource($object);
             if (null === $iri) {
                 return null;
@@ -216,7 +216,7 @@ private function getComponents(object $object, ?string $format, array $context):
                         $isOne = $className && $this->resourceClassResolver->isResourceClass($className);
                     }
                 } elseif ($type instanceof Type) {
-                    if ($type->isSatisfiedBy(static fn ($t) => $t instanceof CollectionType)) {
+                    if ($type->isSatisfiedBy(static fn ($t): bool => $t instanceof CollectionType)) {
                         $isMany = TypeHelper::getCollectionValueType($type)?->isSatisfiedBy($typeIsResourceClass);
                     } else {
                         $isOne = $type->isSatisfiedBy($typeIsResourceClass);
diff --git a/src/Hal/Tests/Serializer/ItemNormalizerTest.php b/src/Hal/Tests/Serializer/ItemNormalizerTest.php
index 2dfef7ad0c4..8a4abc0cfb4 100644
--- a/src/Hal/Tests/Serializer/ItemNormalizerTest.php
+++ b/src/Hal/Tests/Serializer/ItemNormalizerTest.php
@@ -482,9 +482,6 @@ public function testSkipNullToOneRelation(array $context, array $expected): void
             nameConverter: $nameConverter,
             classMetadataFactory: null,
             defaultContext: [],
-            resourceMetadataCollectionFactory: null,
-            resourceAccessChecker: null,
-            tagCollector: null,
         );
 
         $normalizer->setSerializer($serializer);
diff --git a/src/HttpCache/SouinPurger.php b/src/HttpCache/SouinPurger.php
index 4fc2ff73cca..4a537e0d7c6 100644
--- a/src/HttpCache/SouinPurger.php
+++ b/src/HttpCache/SouinPurger.php
@@ -13,8 +13,6 @@
 
 namespace ApiPlatform\HttpCache;
 
-use Symfony\Contracts\HttpClient\HttpClientInterface;
-
 /**
  * Purges Souin.
  *
@@ -25,12 +23,4 @@ class SouinPurger extends SurrogateKeysPurger
     private const MAX_HEADER_SIZE_PER_BATCH = 1500;
     private const SEPARATOR = ', ';
     private const HEADER = 'Surrogate-Key';
-
-    /**
-     * @param HttpClientInterface[] $clients
-     */
-    public function __construct(iterable $clients, int $maxHeaderLength = self::MAX_HEADER_SIZE_PER_BATCH)
-    {
-        parent::__construct($clients, $maxHeaderLength, self::HEADER, self::SEPARATOR);
-    }
 }
diff --git a/src/HttpCache/State/AddHeadersProcessor.php b/src/HttpCache/State/AddHeadersProcessor.php
index 48c431a8adb..1898dc325ca 100644
--- a/src/HttpCache/State/AddHeadersProcessor.php
+++ b/src/HttpCache/State/AddHeadersProcessor.php
@@ -63,7 +63,7 @@ public function process(mixed $data, Operation $operation, array $uriVariables =
         $public = ($resourceCacheHeaders['public'] ?? $this->public);
 
         $options = [
-            'etag' => $this->etag && !$response->getEtag() ? hash('xxh3', (string) $content) : null,
+            'etag' => $this->etag && !$response->getEtag() ? hash('xxh3', $content) : null,
             'max_age' => null !== ($maxAge = $resourceCacheHeaders['max_age'] ?? $this->maxAge) && !$response->headers->hasCacheControlDirective('max-age') ? $maxAge : null,
             // Cache-Control "s-maxage" is only relevant is resource is not marked as "private"
             's_maxage' => false !== $public && null !== ($sharedMaxAge = $resourceCacheHeaders['shared_max_age'] ?? $this->sharedMaxAge) && !$response->headers->hasCacheControlDirective('s-maxage') ? $sharedMaxAge : null,
diff --git a/src/Hydra/Serializer/ConstraintViolationListNormalizer.php b/src/Hydra/Serializer/ConstraintViolationListNormalizer.php
index 38df693497e..39c8e4381da 100644
--- a/src/Hydra/Serializer/ConstraintViolationListNormalizer.php
+++ b/src/Hydra/Serializer/ConstraintViolationListNormalizer.php
@@ -15,7 +15,6 @@
 
 use ApiPlatform\JsonLd\Serializer\HydraPrefixTrait;
 use ApiPlatform\Serializer\AbstractConstraintViolationListNormalizer;
-use Symfony\Component\Serializer\NameConverter\NameConverterInterface;
 
 /**
  * Converts {@see \Symfony\Component\Validator\ConstraintViolationListInterface} to a Hydra error representation.
@@ -27,11 +26,6 @@ final class ConstraintViolationListNormalizer extends AbstractConstraintViolatio
     use HydraPrefixTrait;
     public const FORMAT = 'jsonld';
 
-    public function __construct(?array $serializePayloadFields = null, ?NameConverterInterface $nameConverter = null)
-    {
-        parent::__construct($serializePayloadFields, $nameConverter);
-    }
-
     /**
      * {@inheritdoc}
      */
diff --git a/src/Hydra/Serializer/DocumentationNormalizer.php b/src/Hydra/Serializer/DocumentationNormalizer.php
index cacfc152d32..94cf910040d 100644
--- a/src/Hydra/Serializer/DocumentationNormalizer.php
+++ b/src/Hydra/Serializer/DocumentationNormalizer.php
@@ -368,7 +368,7 @@ private function getRange(ApiProperty $propertyMetadata): array|string|null
                 return null;
             }
 
-            if ($nativeType->isSatisfiedBy(static fn ($t) => $t instanceof CollectionType)) {
+            if ($nativeType->isSatisfiedBy(static fn ($t): bool => $t instanceof CollectionType)) {
                 $nativeType = TypeHelper::getCollectionValueType($nativeType);
             }
 
@@ -635,7 +635,7 @@ private function getProperty(ApiProperty $propertyMetadata, string $propertyName
      */
     private function computeDoc(Documentation $object, array $classes, string $hydraPrefix = ContextBuilder::HYDRA_PREFIX): array
     {
-        $doc = ['@context' => $this->getContext($hydraPrefix), '@id' => $this->urlGenerator->generate('api_doc', ['_format' => self::FORMAT]), '@type' => $hydraPrefix.'ApiDocumentation'];
+        $doc = ['@context' => $this->getContext(), '@id' => $this->urlGenerator->generate('api_doc', ['_format' => self::FORMAT]), '@type' => $hydraPrefix.'ApiDocumentation'];
 
         if ('' !== $object->getTitle()) {
             $doc[$hydraPrefix.'title'] = $object->getTitle();
@@ -656,7 +656,7 @@ private function computeDoc(Documentation $object, array $classes, string $hydra
     /**
      * Builds the JSON-LD context for the API documentation.
      */
-    private function getContext(string $hydraPrefix = ContextBuilder::HYDRA_PREFIX): array
+    private function getContext(): array
     {
         return [
             HYDRA_CONTEXT,
diff --git a/src/Hydra/Serializer/PartialCollectionViewNormalizer.php b/src/Hydra/Serializer/PartialCollectionViewNormalizer.php
index 52c32173777..4347d652bb2 100644
--- a/src/Hydra/Serializer/PartialCollectionViewNormalizer.php
+++ b/src/Hydra/Serializer/PartialCollectionViewNormalizer.php
@@ -147,7 +147,7 @@ public function setNormalizer(NormalizerInterface $normalizer): void
     /**
      * @param object $object
      */
-    private function cursorPaginationFields(array $fields, int $direction, $object): array
+    private function cursorPaginationFields(array $fields, int $direction, object|array $object): array
     {
         $paginationFilters = [];
 
diff --git a/src/Hydra/Tests/Serializer/ConstraintViolationNormalizerTest.php b/src/Hydra/Tests/Serializer/ConstraintViolationNormalizerTest.php
index 43728be33e8..d015c361caa 100644
--- a/src/Hydra/Tests/Serializer/ConstraintViolationNormalizerTest.php
+++ b/src/Hydra/Tests/Serializer/ConstraintViolationNormalizerTest.php
@@ -96,7 +96,7 @@ public static function nameConverterAndPayloadFieldsProvider(): iterable
             return $nameConverterProphecy->reveal();
         };
 
-        $nullNameConverterFactory = static fn () => null;
+        $nullNameConverterFactory = static fn (): null => null;
 
         $expected = $nameConverterBasedExpectation;
         $expected[0]['payload'] = ['severity' => 'warning'];
diff --git a/src/Hydra/Tests/Serializer/PartialCollectionViewNormalizerTest.php b/src/Hydra/Tests/Serializer/PartialCollectionViewNormalizerTest.php
index 49b7a194a16..47555281ebb 100644
--- a/src/Hydra/Tests/Serializer/PartialCollectionViewNormalizerTest.php
+++ b/src/Hydra/Tests/Serializer/PartialCollectionViewNormalizerTest.php
@@ -108,7 +108,7 @@ public function testNormalizeWithCursorBasedPagination(): void
         );
     }
 
-    private function normalizePaginator(bool $partial = false, bool $cursor = false)
+    private function normalizePaginator(bool $partial = false, bool $cursor = false): string|int|float|bool|\ArrayObject|array|null
     {
         $paginatorProphecy = $this->prophesize($partial ? PartialPaginatorInterface::class : PaginatorInterface::class);
 
diff --git a/src/Hydra/Tests/State/HydraLinkProcessorTest.php b/src/Hydra/Tests/State/HydraLinkProcessorTest.php
index b5ce10a1009..3985991273c 100644
--- a/src/Hydra/Tests/State/HydraLinkProcessorTest.php
+++ b/src/Hydra/Tests/State/HydraLinkProcessorTest.php
@@ -33,7 +33,7 @@ public function testProcess(): void
         $request = $this->createMock(Request::class);
         $request->attributes = $this->createMock(ParameterBag::class);
 
-        $request->attributes->expects($this->once())->method('set')->with('_api_platform_links', $this->callback(function ($linkProvider) {
+        $request->attributes->expects($this->once())->method('set')->with('_api_platform_links', $this->callback(function ($linkProvider): true {
             $this->assertInstanceOf(GenericLinkProvider::class, $linkProvider);
             $this->assertEquals($linkProvider->getLinks(), [new Link('a', 'b'), new Link(ContextBuilder::HYDRA_NS.'apiDocumentation', '/docs')]);
 
diff --git a/src/JsonApi/JsonSchema/SchemaFactory.php b/src/JsonApi/JsonSchema/SchemaFactory.php
index 3228d172386..23e4258c091 100644
--- a/src/JsonApi/JsonSchema/SchemaFactory.php
+++ b/src/JsonApi/JsonSchema/SchemaFactory.php
@@ -79,7 +79,7 @@ final class SchemaFactory implements SchemaFactoryInterface, SchemaFactoryAwareI
     /**
      * @var array<string, bool>
      */
-    private $builtSchema = [];
+    private array $builtSchema = [];
 
     public function __construct(private readonly SchemaFactoryInterface $schemaFactory, private readonly PropertyMetadataFactoryInterface $propertyMetadataFactory, ResourceClassResolverInterface $resourceClassResolver, ?ResourceMetadataCollectionFactoryInterface $resourceMetadataFactory = null, private ?DefinitionNameFactoryInterface $definitionNameFactory = null)
     {
diff --git a/src/JsonApi/Serializer/ConstraintViolationListNormalizer.php b/src/JsonApi/Serializer/ConstraintViolationListNormalizer.php
index c20fedffd09..218b8bdc3a4 100644
--- a/src/JsonApi/Serializer/ConstraintViolationListNormalizer.php
+++ b/src/JsonApi/Serializer/ConstraintViolationListNormalizer.php
@@ -100,7 +100,7 @@ private function getSourcePointerFromViolation(ConstraintViolationInterface $vio
                 return "data/relationships/$fieldName";
             }
         } else {
-            if ($propertyMetadata->getNativeType()?->isSatisfiedBy(static fn ($t) => $t instanceof ObjectType)) {
+            if ($propertyMetadata->getNativeType()?->isSatisfiedBy(static fn ($t): bool => $t instanceof ObjectType)) {
                 return "data/relationships/$fieldName";
             }
         }
diff --git a/src/JsonApi/Serializer/ItemNormalizer.php b/src/JsonApi/Serializer/ItemNormalizer.php
index 046c0ee5310..44acdf90c6d 100644
--- a/src/JsonApi/Serializer/ItemNormalizer.php
+++ b/src/JsonApi/Serializer/ItemNormalizer.php
@@ -15,29 +15,18 @@
 
 use ApiPlatform\Metadata\ApiProperty;
 use ApiPlatform\Metadata\Exception\ItemNotFoundException;
-use ApiPlatform\Metadata\IriConverterInterface;
-use ApiPlatform\Metadata\Property\Factory\PropertyMetadataFactoryInterface;
-use ApiPlatform\Metadata\Property\Factory\PropertyNameCollectionFactoryInterface;
-use ApiPlatform\Metadata\Resource\Factory\ResourceMetadataCollectionFactoryInterface;
-use ApiPlatform\Metadata\ResourceAccessCheckerInterface;
-use ApiPlatform\Metadata\ResourceClassResolverInterface;
 use ApiPlatform\Metadata\UrlGeneratorInterface;
 use ApiPlatform\Metadata\Util\ClassInfoTrait;
 use ApiPlatform\Metadata\Util\TypeHelper;
 use ApiPlatform\Serializer\AbstractItemNormalizer;
 use ApiPlatform\Serializer\CacheKeyTrait;
 use ApiPlatform\Serializer\ContextTrait;
-use ApiPlatform\Serializer\OperationResourceClassResolverInterface;
-use ApiPlatform\Serializer\TagCollectorInterface;
 use Symfony\Component\ErrorHandler\Exception\FlattenException;
-use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
 use Symfony\Component\PropertyInfo\PropertyInfoExtractor;
 use Symfony\Component\Serializer\Exception\LogicException;
 use Symfony\Component\Serializer\Exception\NotNormalizableValueException;
 use Symfony\Component\Serializer\Exception\RuntimeException;
 use Symfony\Component\Serializer\Exception\UnexpectedValueException;
-use Symfony\Component\Serializer\Mapping\Factory\ClassMetadataFactoryInterface;
-use Symfony\Component\Serializer\NameConverter\NameConverterInterface;
 use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
 use Symfony\Component\TypeInfo\Type;
 use Symfony\Component\TypeInfo\Type\CompositeTypeInterface;
@@ -60,11 +49,6 @@ final class ItemNormalizer extends AbstractItemNormalizer
 
     private array $componentsCache = [];
 
-    public function __construct(PropertyNameCollectionFactoryInterface $propertyNameCollectionFactory, PropertyMetadataFactoryInterface $propertyMetadataFactory, IriConverterInterface $iriConverter, ResourceClassResolverInterface $resourceClassResolver, ?PropertyAccessorInterface $propertyAccessor = null, ?NameConverterInterface $nameConverter = null, ?ClassMetadataFactoryInterface $classMetadataFactory = null, array $defaultContext = [], ?ResourceMetadataCollectionFactoryInterface $resourceMetadataCollectionFactory = null, ?ResourceAccessCheckerInterface $resourceAccessChecker = null, protected ?TagCollectorInterface $tagCollector = null, ?OperationResourceClassResolverInterface $operationResourceResolver = null)
-    {
-        parent::__construct($propertyNameCollectionFactory, $propertyMetadataFactory, $iriConverter, $resourceClassResolver, $propertyAccessor, $nameConverter, $classMetadataFactory, $defaultContext, $resourceMetadataCollectionFactory, $resourceAccessChecker, $tagCollector, $operationResourceResolver);
-    }
-
     /**
      * {@inheritdoc}
      */
@@ -102,7 +86,7 @@ public function normalize(mixed $data, ?string $format = null, array $context =
 
         $context = $this->initContext($resourceClass, $context);
 
-        $iri = $context['iri'] ??= $this->iriConverter->getIriFromResource($data, UrlGeneratorInterface::ABS_PATH, $context['operation'] ?? null, $context);
+        $context['iri'] ??= $this->iriConverter->getIriFromResource($data, UrlGeneratorInterface::ABS_PATH, $context['operation'] ?? null, $context);
         $context['object'] = $data;
         $context['format'] = $format;
         $context['api_normalize'] = true;
diff --git a/src/JsonApi/Tests/Fixtures/Dummy.php b/src/JsonApi/Tests/Fixtures/Dummy.php
index 3f3b9e16b05..cb0dfff00b2 100644
--- a/src/JsonApi/Tests/Fixtures/Dummy.php
+++ b/src/JsonApi/Tests/Fixtures/Dummy.php
@@ -162,7 +162,7 @@ public function getDummyDate()
         return $this->dummyDate;
     }
 
-    public function setDummyPrice($dummyPrice)
+    public function setDummyPrice($dummyPrice): static
     {
         $this->dummyPrice = $dummyPrice;
 
diff --git a/src/JsonApi/Tests/Fixtures/RelatedDummy.php b/src/JsonApi/Tests/Fixtures/RelatedDummy.php
index b0518a357c6..782b3b33345 100644
--- a/src/JsonApi/Tests/Fixtures/RelatedDummy.php
+++ b/src/JsonApi/Tests/Fixtures/RelatedDummy.php
@@ -52,10 +52,6 @@ class RelatedDummy implements \Stringable
     #[Groups(['friends'])]
     public ?bool $dummyBoolean = null;
 
-    public function __construct()
-    {
-    }
-
     public function getId()
     {
         return $this->id;
@@ -101,10 +97,7 @@ public function isDummyBoolean(): ?bool
         return $this->dummyBoolean;
     }
 
-    /**
-     * @param bool $dummyBoolean
-     */
-    public function setDummyBoolean($dummyBoolean): void
+    public function setDummyBoolean(?bool $dummyBoolean): void
     {
         $this->dummyBoolean = $dummyBoolean;
     }
diff --git a/src/JsonApi/Tests/JsonSchema/SchemaFactoryTest.php b/src/JsonApi/Tests/JsonSchema/SchemaFactoryTest.php
index 4adcb6480ce..852606900c2 100644
--- a/src/JsonApi/Tests/JsonSchema/SchemaFactoryTest.php
+++ b/src/JsonApi/Tests/JsonSchema/SchemaFactoryTest.php
@@ -51,7 +51,7 @@ protected function setUp(): void
         $propertyNameCollectionFactory->create(Dummy::class, ['enable_getter_setter_extraction' => true, 'schema_type' => Schema::TYPE_OUTPUT])->willReturn(new PropertyNameCollection());
         $propertyMetadataFactory = $this->prophesize(PropertyMetadataFactoryInterface::class);
 
-        $definitionNameFactory = new DefinitionNameFactory(null);
+        $definitionNameFactory = new DefinitionNameFactory();
 
         $baseSchemaFactory = new BaseSchemaFactory(
             resourceMetadataFactory: $resourceMetadataFactory->reveal(),
diff --git a/src/JsonApi/Tests/Serializer/ItemNormalizerTest.php b/src/JsonApi/Tests/Serializer/ItemNormalizerTest.php
index a9af4cf4b5d..43b3e62c9ae 100644
--- a/src/JsonApi/Tests/Serializer/ItemNormalizerTest.php
+++ b/src/JsonApi/Tests/Serializer/ItemNormalizerTest.php
@@ -501,7 +501,7 @@ public function testNormalizeWithNullToOneAndEmptyToManyRelationships(): void
         );
 
         $propertyMetadataFactory = $this->createMock(PropertyMetadataFactoryInterface::class);
-        $propertyMetadataFactory->method('create')->willReturnCallback(static function ($class, $property) {
+        $propertyMetadataFactory->method('create')->willReturnCallback(static function ($class, $property): ApiProperty {
             return match ($property) {
                 'id' => (new ApiProperty())->withReadable(true)->withIdentifier(true),
                 'name' => (new ApiProperty())->withReadable(true),
@@ -522,10 +522,10 @@ public function testNormalizeWithNullToOneAndEmptyToManyRelationships(): void
 
         $resourceClassResolver = $this->createMock(ResourceClassResolverInterface::class);
         $resourceClassResolver->method('getResourceClass')->willReturn(Dummy::class);
-        $resourceClassResolver->method('isResourceClass')->willReturnCallback(static fn ($class) => \in_array($class, [Dummy::class, RelatedDummy::class], true));
+        $resourceClassResolver->method('isResourceClass')->willReturnCallback(static fn ($class): bool => \in_array($class, [Dummy::class, RelatedDummy::class], true));
 
         $propertyAccessor = $this->createMock(PropertyAccessorInterface::class);
-        $propertyAccessor->method('getValue')->willReturnCallback(static function ($object, $property) {
+        $propertyAccessor->method('getValue')->willReturnCallback(static function ($object, $property): array|int|string|null {
             return match ($property) {
                 'id' => 1,
                 'name' => 'Dummy with relationships',
diff --git a/src/JsonLd/Action/ContextAction.php b/src/JsonLd/Action/ContextAction.php
index 74c144ed81b..7c09f4186fd 100644
--- a/src/JsonLd/Action/ContextAction.php
+++ b/src/JsonLd/Action/ContextAction.php
@@ -64,7 +64,7 @@ public function __invoke(string $shortName = 'Entrypoint', ?Request $request = n
             $operation = new Get(
                 outputFormats: ['jsonld' => ['application/ld+json']],
                 validate: false,
-                provider: fn () => $this->getContext($shortName),
+                provider: fn (): ?array => $this->getContext($shortName),
                 serialize: false,
                 read: true
             );
diff --git a/src/JsonLd/JsonStreamer/ValueTransformer/ContextValueTransformer.php b/src/JsonLd/JsonStreamer/ValueTransformer/ContextValueTransformer.php
index fbf75692828..2186dde0af4 100644
--- a/src/JsonLd/JsonStreamer/ValueTransformer/ContextValueTransformer.php
+++ b/src/JsonLd/JsonStreamer/ValueTransformer/ContextValueTransformer.php
@@ -34,7 +34,7 @@ public function transform(mixed $value, array $options = []): mixed
         return $this->urlGenerator->generate('api_jsonld_context', ['shortName' => $options['operation']->getShortName()], $options['operation']->getUrlGenerationStrategy());
     }
 
-    public static function getStreamValueType(): Type
+    public static function getStreamValueType(): Type\BuiltinType
     {
         return Type::string();
     }
diff --git a/src/JsonLd/JsonStreamer/ValueTransformer/IriValueTransformer.php b/src/JsonLd/JsonStreamer/ValueTransformer/IriValueTransformer.php
index 383ed920c8a..24342bda4dd 100644
--- a/src/JsonLd/JsonStreamer/ValueTransformer/IriValueTransformer.php
+++ b/src/JsonLd/JsonStreamer/ValueTransformer/IriValueTransformer.php
@@ -45,7 +45,7 @@ public function transform(mixed $value, array $options = []): mixed
         );
     }
 
-    public static function getStreamValueType(): Type
+    public static function getStreamValueType(): Type\BuiltinType
     {
         return Type::string();
     }
diff --git a/src/JsonLd/JsonStreamer/ValueTransformer/TypeValueTransformer.php b/src/JsonLd/JsonStreamer/ValueTransformer/TypeValueTransformer.php
index 238a19d72b4..c75c3d2057e 100644
--- a/src/JsonLd/JsonStreamer/ValueTransformer/TypeValueTransformer.php
+++ b/src/JsonLd/JsonStreamer/ValueTransformer/TypeValueTransformer.php
@@ -54,7 +54,7 @@ public function transform(mixed $value, array $options = []): mixed
         return $this->getOperationType($op);
     }
 
-    public static function getStreamValueType(): Type
+    public static function getStreamValueType(): Type\BuiltinType
     {
         return Type::string();
     }
diff --git a/src/JsonSchema/Metadata/Property/Factory/SchemaPropertyMetadataFactory.php b/src/JsonSchema/Metadata/Property/Factory/SchemaPropertyMetadataFactory.php
index 28e57b84c39..6fe3b1f93f2 100644
--- a/src/JsonSchema/Metadata/Property/Factory/SchemaPropertyMetadataFactory.php
+++ b/src/JsonSchema/Metadata/Property/Factory/SchemaPropertyMetadataFactory.php
@@ -201,7 +201,7 @@ private function getJsonSchemaFromType(Type $type, ?bool $readableLink = null):
         $isNullable = $type->isNullable();
 
         if ($type instanceof UnionType) {
-            $subTypes = array_filter($type->getTypes(), static fn ($t) => !($t instanceof BuiltinType && $t->isIdentifiedBy(TypeIdentifier::NULL)));
+            $subTypes = array_filter($type->getTypes(), static fn (Type $t): bool => !($t instanceof BuiltinType && $t->isIdentifiedBy(TypeIdentifier::NULL)));
 
             foreach ($subTypes as $t) {
                 $s = $this->getJsonSchemaFromType($t, $readableLink);
@@ -211,7 +211,7 @@ private function getJsonSchemaFromType(Type $type, ?bool $readableLink = null):
                 }
             }
 
-            $schemas = array_map(fn ($t) => $this->getJsonSchemaFromType($t, $readableLink), $subTypes);
+            $schemas = array_map(fn (Type $t): array => $this->getJsonSchemaFromType($t, $readableLink), $subTypes);
 
             if (0 === \count($schemas)) {
                 $schema = [];
@@ -246,7 +246,7 @@ private function getJsonSchemaFromType(Type $type, ?bool $readableLink = null):
             $keyType = $type->getCollectionKeyType();
 
             // Associative array (string keys)
-            if ($keyType->isSatisfiedBy(static fn (Type $t) => $t instanceof BuiltinType && $t->isIdentifiedBy(TypeIdentifier::INT))) {
+            if ($keyType->isSatisfiedBy(static fn (Type $t): bool => $t instanceof BuiltinType && $t->isIdentifiedBy(TypeIdentifier::INT))) {
                 $schema = [
                     'type' => 'array',
                     'items' => $valueSchema,
diff --git a/src/JsonSchema/Tests/Fixtures/ApiResource/Dummy.php b/src/JsonSchema/Tests/Fixtures/ApiResource/Dummy.php
index ee45c52e851..f788e6c87ba 100644
--- a/src/JsonSchema/Tests/Fixtures/ApiResource/Dummy.php
+++ b/src/JsonSchema/Tests/Fixtures/ApiResource/Dummy.php
@@ -162,7 +162,7 @@ public function getDummyDate()
         return $this->dummyDate;
     }
 
-    public function setDummyPrice($dummyPrice)
+    public function setDummyPrice($dummyPrice): static
     {
         $this->dummyPrice = $dummyPrice;
 
diff --git a/src/JsonSchema/Tests/Fixtures/NotAResource.php b/src/JsonSchema/Tests/Fixtures/NotAResource.php
index 0ef16478cbd..4104ef2e071 100644
--- a/src/JsonSchema/Tests/Fixtures/NotAResource.php
+++ b/src/JsonSchema/Tests/Fixtures/NotAResource.php
@@ -47,7 +47,7 @@ public function getBar()
     /**
      * @return array<GenericChild<object>>
      */
-    public function getItems()
+    public function getItems(): array
     {
         return $this->items;
     }
diff --git a/src/JsonSchema/Tests/Fixtures/NotAResourceWithUnionIntersectTypes.php b/src/JsonSchema/Tests/Fixtures/NotAResourceWithUnionIntersectTypes.php
index d28cf68ac90..8d1ec1e65bf 100644
--- a/src/JsonSchema/Tests/Fixtures/NotAResourceWithUnionIntersectTypes.php
+++ b/src/JsonSchema/Tests/Fixtures/NotAResourceWithUnionIntersectTypes.php
@@ -33,12 +33,12 @@ public function getIgnoredProperty()
         return $this->ignoredProperty;
     }
 
-    public function getUnionType()
+    public function getUnionType(): string|int|float|null
     {
         return $this->unionType;
     }
 
-    public function getIntersectType()
+    public function getIntersectType(): Serializable&DummyResourceInterface
     {
         return $this->intersectType;
     }
diff --git a/src/Laravel/ApiPlatformDeferredProvider.php b/src/Laravel/ApiPlatformDeferredProvider.php
index 937e8c49dca..8fc7804c12a 100644
--- a/src/Laravel/ApiPlatformDeferredProvider.php
+++ b/src/Laravel/ApiPlatformDeferredProvider.php
@@ -115,26 +115,26 @@ public function register(): void
         }
 
         $this->autoconfigure($classes, QueryExtensionInterface::class, [FilterQueryExtension::class]);
-        $this->app->singleton(ItemProvider::class, static function (Application $app) {
+        $this->app->singleton(ItemProvider::class, static function (Application $app): ItemProvider {
             $tagged = iterator_to_array($app->tagged(LinksHandlerInterface::class));
 
             return new ItemProvider(new LinksHandler($app, $app->make(ResourceMetadataCollectionFactoryInterface::class)), new ServiceLocator($tagged), $app->tagged(QueryExtensionInterface::class));
         });
 
-        $this->app->singleton(CollectionProvider::class, static function (Application $app) {
+        $this->app->singleton(CollectionProvider::class, static function (Application $app): CollectionProvider {
             $tagged = iterator_to_array($app->tagged(LinksHandlerInterface::class));
 
             return new CollectionProvider($app->make(Pagination::class), new LinksHandler($app, $app->make(ResourceMetadataCollectionFactoryInterface::class)), $app->tagged(QueryExtensionInterface::class), new ServiceLocator($tagged));
         });
 
-        $this->app->singleton(SerializerFilterParameterProvider::class, static function (Application $app) {
+        $this->app->singleton(SerializerFilterParameterProvider::class, static function (Application $app): SerializerFilterParameterProvider {
             $tagged = iterator_to_array($app->tagged(SerializerFilterInterface::class));
 
             return new SerializerFilterParameterProvider(new ServiceLocator($tagged));
         });
         $this->app->alias(SerializerFilterParameterProvider::class, 'api_platform.serializer.filter_parameter_provider');
 
-        $this->app->singleton('filters', static function (Application $app) {
+        $this->app->singleton('filters', static function (Application $app): ServiceLocator {
             return new ServiceLocator(array_merge(
                 iterator_to_array($app->tagged(SerializerFilterInterface::class)),
                 iterator_to_array($app->tagged(EloquentFilterInterface::class))
@@ -143,7 +143,7 @@ public function register(): void
 
         $this->autoconfigure($classes, SerializerFilterInterface::class, [PropertyFilter::class]);
 
-        $this->app->singleton(ParameterProvider::class, static function (Application $app) {
+        $this->app->singleton(ParameterProvider::class, static function (Application $app): ParameterProvider {
             $tagged = iterator_to_array($app->tagged(ParameterProviderInterface::class));
             $tagged['api_platform.serializer.filter_parameter_provider'] = $app->make(SerializerFilterParameterProvider::class);
 
@@ -160,7 +160,7 @@ public function register(): void
 
         $this->autoconfigure($classes, ParameterProviderInterface::class, [SerializerFilterParameterProvider::class, SortFilterParameterProvider::class, SparseFieldsetParameterProvider::class]);
 
-        $this->app->bind(FilterQueryExtension::class, static function (Application $app) {
+        $this->app->bind(FilterQueryExtension::class, static function (Application $app): FilterQueryExtension {
             $tagged = iterator_to_array($app->tagged(EloquentFilterInterface::class));
 
             return new FilterQueryExtension(new ServiceLocator($tagged));
@@ -179,7 +179,7 @@ public function register(): void
             SparseFieldset::class,
         ]);
 
-        $this->app->singleton(CallableProcessor::class, static function (Application $app) {
+        $this->app->singleton(CallableProcessor::class, static function (Application $app): CallableProcessor {
             /** @var ConfigRepository */
             $config = $app['config'];
             $tagged = iterator_to_array($app->tagged(ProcessorInterface::class));
@@ -194,14 +194,14 @@ public function register(): void
 
         $this->autoconfigure($classes, ProcessorInterface::class, [RemoveProcessor::class, PersistProcessor::class]);
 
-        $this->app->singleton(CallableProvider::class, static function (Application $app) {
+        $this->app->singleton(CallableProvider::class, static function (Application $app): CallableProvider {
             $tagged = iterator_to_array($app->tagged(ProviderInterface::class));
 
             return new CallableProvider(new ServiceLocator($tagged));
         });
 
         if (class_exists(ToolProvider::class)) {
-            $this->app->singleton(ToolProvider::class, static function (Application $app) {
+            $this->app->singleton(ToolProvider::class, static function (Application $app): ToolProvider {
                 return new ToolProvider(
                     $app->make(ObjectMapper::class)
                 );
@@ -210,7 +210,7 @@ public function register(): void
 
         $this->autoconfigure($classes, ProviderInterface::class, [ItemProvider::class, CollectionProvider::class, ErrorProvider::class, ToolProvider::class]);
 
-        $this->app->singleton(ResourceMetadataCollectionFactoryInterface::class, function (Application $app) {
+        $this->app->singleton(ResourceMetadataCollectionFactoryInterface::class, function (Application $app): CacheResourceCollectionMetadataFactory {
             /** @var ConfigRepository $config */
             $config = $app['config'];
             $formats = $config->get('api-platform.formats');
@@ -274,7 +274,7 @@ public function register(): void
 
         $this->app->extend(
             ExceptionHandler::class,
-            static function (ExceptionHandler $decorated, Application $app) {
+            static function (ExceptionHandler $decorated, Application $app): ErrorHandler {
                 /** @var ConfigRepository */
                 $config = $app['config'];
 
@@ -300,7 +300,7 @@ static function (ExceptionHandler $decorated, Application $app) {
 
     private function registerGraphQl(): void
     {
-        $this->app->singleton('api_platform.graphql.state_provider.parameter', static function (Application $app) {
+        $this->app->singleton('api_platform.graphql.state_provider.parameter', static function (Application $app): ParameterProvider {
             $tagged = iterator_to_array($app->tagged(ParameterProviderInterface::class));
             $tagged['api_platform.serializer.filter_parameter_provider'] = $app->make(SerializerFilterParameterProvider::class);
 
@@ -315,7 +315,7 @@ private function registerGraphQl(): void
             );
         });
 
-        $this->app->singleton(FieldsBuilderEnumInterface::class, static function (Application $app) {
+        $this->app->singleton(FieldsBuilderEnumInterface::class, static function (Application $app): FieldsBuilder {
             /** @var ConfigRepository */
             $config = $app['config'];
 
diff --git a/src/Laravel/ApiPlatformProvider.php b/src/Laravel/ApiPlatformProvider.php
index 893f5406b66..3a46c0dcd92 100644
--- a/src/Laravel/ApiPlatformProvider.php
+++ b/src/Laravel/ApiPlatformProvider.php
@@ -224,7 +224,7 @@ public function register(): void
     {
         $this->mergeConfigFrom(__DIR__.'/config/api-platform.php', 'api-platform');
 
-        $this->app->singleton(PropertyInfoExtractorInterface::class, static function (Application $app) {
+        $this->app->singleton(PropertyInfoExtractorInterface::class, static function (Application $app): PropertyInfoExtractor {
             $phpstanExtractor = class_exists(PhpDocParser::class) ? new PhpStanExtractor() : null;
             $reflectionExtractor = new ReflectionExtractor();
             $eloquentExtractor = new EloquentExtractor($app->make(ModelMetadata::class));
@@ -238,12 +238,12 @@ public function register(): void
             );
         });
 
-        $this->app->singleton(ModelMetadata::class, static function () {
+        $this->app->singleton(ModelMetadata::class, static function (): ModelMetadata {
             return new ModelMetadata();
         });
 
         $this->app->bind(ClassMetadataFactoryInterface::class, ClassMetadataFactory::class);
-        $this->app->singleton(ClassMetadataFactory::class, static function (Application $app) {
+        $this->app->singleton(ClassMetadataFactory::class, static function (Application $app): ClassMetadataFactory {
             /** @var ConfigRepository */
             $config = $app['config'];
             $nameConverter = $config->get('api-platform.name_converter', SnakeCaseToCamelCaseNameConverter::class);
@@ -263,13 +263,13 @@ public function register(): void
             );
         });
 
-        $this->app->singleton(SerializerClassMetadataFactory::class, static function (Application $app) {
+        $this->app->singleton(SerializerClassMetadataFactory::class, static function (Application $app): SerializerClassMetadataFactory {
             return new SerializerClassMetadataFactory($app->make(ClassMetadataFactoryInterface::class));
         });
 
         $this->app->bind(PathSegmentNameGeneratorInterface::class, UnderscorePathSegmentNameGenerator::class);
 
-        $this->app->singleton(ResourceNameCollectionFactoryInterface::class, static function (Application $app) {
+        $this->app->singleton(ResourceNameCollectionFactoryInterface::class, static function (Application $app): ConcernsResourceNameCollectionFactory {
             /** @var ConfigRepository */
             $config = $app['config'];
             $paths = $config->get('api-platform.resources') ?? [];
@@ -289,16 +289,16 @@ public function register(): void
         });
 
         $this->app->bind(ResourceClassResolverInterface::class, ResourceClassResolver::class);
-        $this->app->singleton(ResourceClassResolver::class, static function (Application $app) {
+        $this->app->singleton(ResourceClassResolver::class, static function (Application $app): EloquentResourceClassResolver {
             return new EloquentResourceClassResolver(new ResourceClassResolver($app->make(ResourceNameCollectionFactoryInterface::class)));
         });
 
         $this->app->bind(OperationResourceClassResolverInterface::class, EloquentOperationResourceClassResolver::class);
-        $this->app->singleton(EloquentOperationResourceClassResolver::class, static function (Application $app) {
+        $this->app->singleton(EloquentOperationResourceClassResolver::class, static function (Application $app): EloquentOperationResourceClassResolver {
             return new EloquentOperationResourceClassResolver();
         });
 
-        $this->app->singleton(PropertyMetadataFactoryInterface::class, static function (Application $app) {
+        $this->app->singleton(PropertyMetadataFactoryInterface::class, static function (Application $app): CachePropertyMetadataFactory {
             /** @var ConfigRepository $config */
             $config = $app['config'];
             $nameConverter = $config->get('api-platform.name_converter', SnakeCaseToCamelCaseNameConverter::class);
@@ -329,7 +329,7 @@ public function register(): void
             );
         });
 
-        $this->app->singleton(PropertyNameCollectionFactoryInterface::class, static function (Application $app) {
+        $this->app->singleton(PropertyNameCollectionFactoryInterface::class, static function (Application $app): CachePropertyNameCollectionMetadataFactory {
             /** @var ConfigRepository $config */
             $config = $app['config'];
             $nameConverter = $config->get('api-platform.name_converter', SnakeCaseToCamelCaseNameConverter::class);
@@ -352,7 +352,7 @@ public function register(): void
             );
         });
 
-        $this->app->singleton(LinkFactoryInterface::class, static function (Application $app) {
+        $this->app->singleton(LinkFactoryInterface::class, static function (Application $app): LinkFactory {
             return new LinkFactory(
                 $app->make(PropertyNameCollectionFactoryInterface::class),
                 $app->make(PropertyMetadataFactoryInterface::class),
@@ -360,11 +360,11 @@ public function register(): void
             );
         });
 
-        $this->app->bind(PropertyAccessorInterface::class, static function (Application $app) {
+        $this->app->bind(PropertyAccessorInterface::class, static function (Application $app): EloquentPropertyAccessor {
             return new EloquentPropertyAccessor(null, $app->make(ModelMetadata::class));
         });
 
-        $this->app->bind(NameConverterInterface::class, static function (Application $app) {
+        $this->app->bind(NameConverterInterface::class, static function (Application $app): HydraPrefixNameConverter {
             $config = $app['config'];
             $nameConverter = $config->get('api-platform.name_converter', SnakeCaseToCamelCaseNameConverter::class);
             if ($nameConverter && class_exists($nameConverter)) {
@@ -378,7 +378,7 @@ public function register(): void
 
         // ObjectMapper metadata factory support
         if (interface_exists(ObjectMapperInterface::class)) {
-            $this->app->extend(ResourceMetadataCollectionFactoryInterface::class, static function (ResourceMetadataCollectionFactoryInterface $inner, Application $app) {
+            $this->app->extend(ResourceMetadataCollectionFactoryInterface::class, static function (ResourceMetadataCollectionFactoryInterface $inner, Application $app): ObjectMapperMetadataCollectionFactory {
                 return new ObjectMapperMetadataCollectionFactory(
                     $inner,
                     $app->make(ObjectMapperMetadataFactoryInterface::class)
@@ -387,32 +387,32 @@ public function register(): void
         }
 
         // Parameter metadata factory with Laravel Eloquent support
-        $this->app->extend(ResourceMetadataCollectionFactoryInterface::class, static function (ResourceMetadataCollectionFactoryInterface $inner, Application $app) {
+        $this->app->extend(ResourceMetadataCollectionFactoryInterface::class, static function (ResourceMetadataCollectionFactoryInterface $inner, Application $app): Metadata\Resource\Factory\ParameterResourceMetadataCollectionFactory {
             return new Metadata\Resource\Factory\ParameterResourceMetadataCollectionFactory($inner, $app->make(ModelMetadata::class), new \Symfony\Component\Serializer\NameConverter\CamelCaseToSnakeCaseNameConverter());
         });
 
-        $this->app->singleton(OperationMetadataFactory::class, static function (Application $app) {
+        $this->app->singleton(OperationMetadataFactory::class, static function (Application $app): OperationMetadataFactory {
             return new OperationMetadataFactory($app->make(ResourceNameCollectionFactoryInterface::class), $app->make(ResourceMetadataCollectionFactoryInterface::class));
         });
 
         $this->app->bind(OperationMetadataFactoryInterface::class, OperationMetadataFactory::class);
 
-        $this->app->singleton(ReadProvider::class, static function (Application $app) {
+        $this->app->singleton(ReadProvider::class, static function (Application $app): ReadProvider {
             return new ReadProvider($app->make(CallableProvider::class));
         });
 
-        $this->app->singleton(SwaggerUiProvider::class, static function (Application $app) {
+        $this->app->singleton(SwaggerUiProvider::class, static function (Application $app): SwaggerUiProvider {
             /** @var ConfigRepository */
             $config = $app['config'];
 
             return new SwaggerUiProvider($app->make(ReadProvider::class), $app->make(OpenApiFactoryInterface::class), $config->get('api-platform.swagger_ui.enabled', false));
         });
 
-        $this->app->singleton(DeserializeProvider::class, static function (Application $app) {
+        $this->app->singleton(DeserializeProvider::class, static function (Application $app): DeserializeProvider {
             return new DeserializeProvider($app->make(SwaggerUiProvider::class), $app->make(SerializerInterface::class), $app->make(SerializerContextBuilderInterface::class));
         });
 
-        $this->app->singleton(ValidateProvider::class, static function (Application $app) {
+        $this->app->singleton(ValidateProvider::class, static function (Application $app): ValidateProvider {
             $config = $app['config'];
             $nameConverter = $config->get('api-platform.name_converter', SnakeCaseToCamelCaseNameConverter::class);
             if ($nameConverter && class_exists($nameConverter)) {
@@ -423,23 +423,23 @@ public function register(): void
         });
 
         if (class_exists(JsonApiProvider::class)) {
-            $this->app->extend(DeserializeProvider::class, static function (ProviderInterface $inner, Application $app) {
+            $this->app->extend(DeserializeProvider::class, static function (ProviderInterface $inner, Application $app): JsonApiProvider {
                 return new JsonApiProvider($inner);
             });
         }
 
-        $this->app->singleton(SortFilterParameterProvider::class, static function (Application $app) {
+        $this->app->singleton(SortFilterParameterProvider::class, static function (Application $app): SortFilterParameterProvider {
             return new SortFilterParameterProvider();
         });
 
-        $this->app->singleton(AccessCheckerProvider::class, static function (Application $app) {
+        $this->app->singleton(AccessCheckerProvider::class, static function (Application $app): AccessCheckerProvider {
             return new AccessCheckerProvider($app->make(ParameterProvider::class), $app->make(ResourceAccessCheckerInterface::class));
         });
 
-        $this->app->singleton(Negotiator::class, static function (Application $app) {
+        $this->app->singleton(Negotiator::class, static function (Application $app): Negotiator {
             return new Negotiator();
         });
-        $this->app->singleton(ContentNegotiationProvider::class, static function (Application $app) {
+        $this->app->singleton(ContentNegotiationProvider::class, static function (Application $app): ContentNegotiationProvider {
             /** @var ConfigRepository */
             $config = $app['config'];
 
@@ -452,18 +452,18 @@ public function register(): void
         if (interface_exists(ObjectMapperInterface::class)) {
             $this->app->singleton(ObjectMapperMetadataFactoryInterface::class, ReflectionObjectMapperMetadataFactory::class);
 
-            $this->app->singleton(ObjectMapper::class, static function (Application $app) {
+            $this->app->singleton(ObjectMapper::class, static function (Application $app): ObjectMapper {
                 return new ObjectMapper(
                     $app->make(ObjectMapperMetadataFactoryInterface::class)
                 );
             });
 
-            $this->app->extend(ProviderInterface::class, static function (ProviderInterface $inner, Application $app) {
+            $this->app->extend(ProviderInterface::class, static function (ProviderInterface $inner, Application $app): ObjectMapperProvider {
                 return new ObjectMapperProvider($app->make(ObjectMapper::class), $inner);
             });
         }
 
-        $this->app->singleton(RespondProcessor::class, static function (Application $app) {
+        $this->app->singleton(RespondProcessor::class, static function (Application $app): AddLinkHeaderProcessor {
             $decorated = new RespondProcessor(
                 $app->make(IriConverterInterface::class),
                 $app->make(ResourceClassResolverInterface::class),
@@ -490,11 +490,11 @@ public function register(): void
             return new AddLinkHeaderProcessor($decorated, new HttpHeaderSerializer());
         });
 
-        $this->app->singleton(SerializeProcessor::class, static function (Application $app) {
+        $this->app->singleton(SerializeProcessor::class, static function (Application $app): SerializeProcessor {
             return new SerializeProcessor($app->make(RespondProcessor::class), $app->make(Serializer::class), $app->make(SerializerContextBuilderInterface::class));
         });
 
-        $this->app->singleton(WriteProcessor::class, static function (Application $app) {
+        $this->app->singleton(WriteProcessor::class, static function (Application $app): WriteProcessor {
             $inner = $app->make(SerializeProcessor::class);
 
             if (interface_exists(ObjectMapperInterface::class)) {
@@ -504,14 +504,14 @@ public function register(): void
             return new WriteProcessor($inner, $app->make(CallableProcessor::class));
         });
 
-        $this->app->singleton(SerializerContextBuilder::class, static function (Application $app) {
+        $this->app->singleton(SerializerContextBuilder::class, static function (Application $app): SerializerContextBuilder {
             /** @var ConfigRepository */
             $config = $app['config'];
 
             return new SerializerContextBuilder($app->make(ResourceMetadataCollectionFactoryInterface::class), $config->get('app.debug'));
         });
         $this->app->bind(SerializerContextBuilderInterface::class, EloquentSerializerContextBuilder::class);
-        $this->app->singleton(EloquentSerializerContextBuilder::class, static function (Application $app) {
+        $this->app->singleton(EloquentSerializerContextBuilder::class, static function (Application $app): EloquentSerializerContextBuilder {
             /** @var ConfigRepository */
             $config = $app['config'];
 
@@ -522,7 +522,7 @@ public function register(): void
             );
         });
 
-        $this->app->singleton(HydraLinkProcessor::class, static function (Application $app) {
+        $this->app->singleton(HydraLinkProcessor::class, static function (Application $app): HydraLinkProcessor {
             return new HydraLinkProcessor($app->make(WriteProcessor::class), $app->make(UrlGeneratorInterface::class));
         });
 
@@ -537,51 +537,51 @@ public function register(): void
 
         // ObjectMapperInputProcessor wraps the base processor if available
         if (interface_exists(ObjectMapperInterface::class)) {
-            $this->app->extend(ProcessorInterface::class, static function (ProcessorInterface $inner, Application $app) {
+            $this->app->extend(ProcessorInterface::class, static function (ProcessorInterface $inner, Application $app): ObjectMapperInputProcessor {
                 return new ObjectMapperInputProcessor($app->make(ObjectMapper::class), $inner);
             });
         }
 
-        $this->app->singleton(ObjectNormalizer::class, static function (Application $app) {
+        $this->app->singleton(ObjectNormalizer::class, static function (Application $app): ObjectNormalizer {
             $config = $app['config'];
             $defaultContext = $config->get('api-platform.serializer', []);
 
             return new ObjectNormalizer($app->make(ClassMetadataFactoryInterface::class), defaultContext: $defaultContext);
         });
 
-        $this->app->singleton(DateTimeNormalizer::class, static function (Application $app) {
+        $this->app->singleton(DateTimeNormalizer::class, static function (Application $app): DateTimeNormalizer {
             $config = $app['config'];
             $defaultContext = $config->get('api-platform.serializer', []);
 
             return new DateTimeNormalizer(defaultContext: $defaultContext);
         });
 
-        $this->app->singleton(DateTimeZoneNormalizer::class, static function () {
+        $this->app->singleton(DateTimeZoneNormalizer::class, static function (): DateTimeZoneNormalizer {
             return new DateTimeZoneNormalizer();
         });
 
-        $this->app->singleton(DateIntervalNormalizer::class, static function (Application $app) {
+        $this->app->singleton(DateIntervalNormalizer::class, static function (Application $app): DateIntervalNormalizer {
             $config = $app['config'];
             $defaultContext = $config->get('api-platform.serializer', []);
 
             return new DateIntervalNormalizer(defaultContext: $defaultContext);
         });
 
-        $this->app->singleton(JsonEncoder::class, static function () {
+        $this->app->singleton(JsonEncoder::class, static function (): JsonEncoder {
             return new JsonEncoder('jsonld');
         });
 
         $this->app->bind(IriConverterInterface::class, IriConverter::class);
-        $this->app->singleton(IriConverter::class, static function (Application $app) {
+        $this->app->singleton(IriConverter::class, static function (Application $app): IriConverter {
             return new IriConverter($app->make(CallableProvider::class), $app->make(OperationMetadataFactoryInterface::class), $app->make(UrlGeneratorRouter::class), $app->make(IdentifiersExtractorInterface::class), $app->make(ResourceClassResolverInterface::class), $app->make(ResourceMetadataCollectionFactoryInterface::class), $app->make(SkolemIriConverter::class), null, $app->make(OperationResourceClassResolverInterface::class));
         });
 
-        $this->app->singleton(SkolemIriConverter::class, static function (Application $app) {
+        $this->app->singleton(SkolemIriConverter::class, static function (Application $app): SkolemIriConverter {
             return new SkolemIriConverter($app->make(UrlGeneratorRouter::class));
         });
 
         $this->app->bind(IdentifiersExtractorInterface::class, IdentifiersExtractor::class);
-        $this->app->singleton(IdentifiersExtractor::class, static function (Application $app) {
+        $this->app->singleton(IdentifiersExtractor::class, static function (Application $app): EloquentIdentifiersExtractor {
             return new EloquentIdentifiersExtractor(
                 new IdentifiersExtractor(
                     $app->make(ResourceMetadataCollectionFactoryInterface::class),
@@ -594,7 +594,7 @@ public function register(): void
         });
 
         $this->app->bind(UrlGeneratorInterface::class, UrlGeneratorRouter::class);
-        $this->app->singleton(UrlGeneratorRouter::class, static function (Application $app) {
+        $this->app->singleton(UrlGeneratorRouter::class, static function (Application $app): UrlGeneratorRouter {
             $request = $app->make('request');
             // https://github.com/laravel/framework/blob/2bfb70bca53e24227a6f921f39d84ba452efd8e0/src/Illuminate/Routing/CompiledRouteCollection.php#L112
             $trimmedRequest = $request->duplicate();
@@ -611,7 +611,7 @@ public function register(): void
         });
 
         $this->app->bind(ContextBuilderInterface::class, JsonLdContextBuilder::class);
-        $this->app->singleton(JsonLdContextBuilder::class, static function (Application $app) {
+        $this->app->singleton(JsonLdContextBuilder::class, static function (Application $app): JsonLdContextBuilder {
             $config = $app['config'];
             $defaultContext = $config->get('api-platform.serializer', []);
 
@@ -627,15 +627,15 @@ public function register(): void
             );
         });
 
-        $this->app->singleton(HydraEntrypointNormalizer::class, static function (Application $app) {
+        $this->app->singleton(HydraEntrypointNormalizer::class, static function (Application $app): HydraEntrypointNormalizer {
             return new HydraEntrypointNormalizer($app->make(ResourceMetadataCollectionFactoryInterface::class), $app->make(IriConverterInterface::class), $app->make(UrlGeneratorInterface::class));
         });
 
-        $this->app->singleton(ResourceAccessCheckerInterface::class, static function () {
+        $this->app->singleton(ResourceAccessCheckerInterface::class, static function (): ResourceAccessChecker {
             return new ResourceAccessChecker();
         });
 
-        $this->app->singleton(ItemNormalizer::class, static function (Application $app) {
+        $this->app->singleton(ItemNormalizer::class, static function (Application $app): ItemNormalizer {
             /** @var ConfigRepository */
             $config = $app['config'];
             $defaultContext = $config->get('api-platform.serializer', []);
@@ -660,7 +660,7 @@ public function register(): void
 
         $this->app->bind(AnonymousContextBuilderInterface::class, JsonLdContextBuilder::class);
 
-        $this->app->singleton(JsonLdObjectNormalizer::class, static function (Application $app) {
+        $this->app->singleton(JsonLdObjectNormalizer::class, static function (Application $app): JsonLdObjectNormalizer {
             return new JsonLdObjectNormalizer(
                 $app->make(ObjectNormalizer::class),
                 $app->make(IriConverterInterface::class),
@@ -668,7 +668,7 @@ public function register(): void
             );
         });
 
-        $this->app->singleton(HalCollectionNormalizer::class, static function (Application $app) {
+        $this->app->singleton(HalCollectionNormalizer::class, static function (Application $app): HalCollectionNormalizer {
             /** @var ConfigRepository */
             $config = $app['config'];
 
@@ -679,14 +679,14 @@ public function register(): void
             );
         });
 
-        $this->app->singleton(HalObjectNormalizer::class, static function (Application $app) {
+        $this->app->singleton(HalObjectNormalizer::class, static function (Application $app): HalObjectNormalizer {
             return new HalObjectNormalizer(
                 $app->make(ObjectNormalizer::class),
                 $app->make(IriConverterInterface::class)
             );
         });
 
-        $this->app->singleton(HalItemNormalizer::class, static function (Application $app) {
+        $this->app->singleton(HalItemNormalizer::class, static function (Application $app): HalItemNormalizer {
             /** @var ConfigRepository */
             $config = $app['config'];
             $defaultContext = $config->get('api-platform.serializer', []);
@@ -706,7 +706,7 @@ public function register(): void
             );
         });
 
-        $this->app->singleton(Options::class, static function (Application $app) {
+        $this->app->singleton(Options::class, static function (Application $app): Options {
             /** @var ConfigRepository */
             $config = $app['config'];
 
@@ -715,11 +715,11 @@ public function register(): void
                 description: $config->get('api-platform.description', ''),
                 version: $config->get('api-platform.version', ''),
                 oAuthEnabled: $config->get('api-platform.swagger_ui.oauth.enabled', false),
-                oAuthType: $config->get('api-platform.swagger_ui.oauth.type', null),
-                oAuthFlow: $config->get('api-platform.swagger_ui.oauth.flow', null),
-                oAuthTokenUrl: $config->get('api-platform.swagger_ui.oauth.tokenUrl', null),
-                oAuthAuthorizationUrl: $config->get('api-platform.swagger_ui.oauth.authorizationUrl', null),
-                oAuthRefreshUrl: $config->get('api-platform.swagger_ui.oauth.refreshUrl', null),
+                oAuthType: $config->get('api-platform.swagger_ui.oauth.type'),
+                oAuthFlow: $config->get('api-platform.swagger_ui.oauth.flow'),
+                oAuthTokenUrl: $config->get('api-platform.swagger_ui.oauth.tokenUrl'),
+                oAuthAuthorizationUrl: $config->get('api-platform.swagger_ui.oauth.authorizationUrl'),
+                oAuthRefreshUrl: $config->get('api-platform.swagger_ui.oauth.refreshUrl'),
                 oAuthScopes: $config->get('api-platform.swagger_ui.oauth.scopes', []),
                 apiKeys: $config->get('api-platform.swagger_ui.apiKeys', []),
                 contactName: $config->get('api-platform.swagger_ui.contact.name', ''),
@@ -735,7 +735,7 @@ public function register(): void
             );
         });
 
-        $this->app->singleton(SwaggerUiProcessor::class, static function (Application $app) {
+        $this->app->singleton(SwaggerUiProcessor::class, static function (Application $app): SwaggerUiProcessor {
             /** @var ConfigRepository */
             $config = $app['config'];
 
@@ -751,32 +751,32 @@ public function register(): void
 
         // Note: this class is not included it is used as a string alias as Errors declare this controller
         $this->app->alias(\ApiPlatform\Symfony\Action\NotExposedAction::class, 'api_platform.action.not_exposed');
-        $this->app->singleton('api_platform.action.not_exposed', static function () {
+        $this->app->singleton('api_platform.action.not_exposed', static function (): NotExposedController {
             return new NotExposedController();
         });
 
-        $this->app->singleton(DocumentationController::class, static function (Application $app) {
+        $this->app->singleton(DocumentationController::class, static function (Application $app): DocumentationController {
             /** @var ConfigRepository */
             $config = $app['config'];
 
             return new DocumentationController($app->make(ResourceNameCollectionFactoryInterface::class), $config->get('api-platform.title') ?? '', $config->get('api-platform.description') ?? '', $config->get('api-platform.version') ?? '', $app->make(OpenApiFactoryInterface::class), $app->make(ProviderInterface::class), $app->make(ProcessorInterface::class), $app->make(Negotiator::class), $config->get('api-platform.docs_formats'), $config->get('api-platform.swagger_ui.enabled', false));
         });
 
-        $this->app->singleton(EntrypointController::class, static function (Application $app) {
+        $this->app->singleton(EntrypointController::class, static function (Application $app): EntrypointController {
             /** @var ConfigRepository */
             $config = $app['config'];
 
             return new EntrypointController($app->make(ResourceNameCollectionFactoryInterface::class), $app->make(ProviderInterface::class), $app->make(ProcessorInterface::class), $config->get('api-platform.docs_formats'));
         });
 
-        $this->app->singleton(Pagination::class, static function (Application $app) {
+        $this->app->singleton(Pagination::class, static function (Application $app): Pagination {
             /** @var ConfigRepository */
             $config = $app['config'];
 
             return new Pagination($config->get('api-platform.pagination'), []);
         });
 
-        $this->app->singleton(PaginationOptions::class, static function (Application $app) {
+        $this->app->singleton(PaginationOptions::class, static function (Application $app): PaginationOptions {
             /** @var ConfigRepository */
             $config = $app['config'];
             $defaults = $config->get('api-platform.defaults');
@@ -798,7 +798,7 @@ public function register(): void
         });
 
         $this->app->bind(OpenApiFactoryInterface::class, OpenApiFactory::class);
-        $this->app->singleton(OpenApiFactory::class, static function (Application $app) {
+        $this->app->singleton(OpenApiFactory::class, static function (Application $app): OpenApiFactory {
             /** @var ConfigRepository */
             $config = $app['config'];
 
@@ -818,16 +818,16 @@ public function register(): void
             );
         });
 
-        $this->app->singleton(OpenApiCommand::class, static function (Application $app) {
+        $this->app->singleton(OpenApiCommand::class, static function (Application $app): OpenApiCommand {
             return new OpenApiCommand($app->make(OpenApiFactory::class), $app->make(Serializer::class));
         });
 
         $this->app->bind(DefinitionNameFactoryInterface::class, DefinitionNameFactory::class);
-        $this->app->singleton(DefinitionNameFactory::class, static function (Application $app) {
+        $this->app->singleton(DefinitionNameFactory::class, static function (Application $app): DefinitionNameFactory {
             return new DefinitionNameFactory();
         });
 
-        $this->app->singleton(SchemaFactory::class, static function (Application $app) {
+        $this->app->singleton(SchemaFactory::class, static function (Application $app): SchemaFactory {
             /** @var ConfigRepository */
             $config = $app['config'];
 
@@ -841,7 +841,7 @@ public function register(): void
                 $app->make(DefinitionNameFactoryInterface::class),
             );
         });
-        $this->app->singleton(JsonApiSchemaFactory::class, static function (Application $app) {
+        $this->app->singleton(JsonApiSchemaFactory::class, static function (Application $app): JsonApiSchemaFactory {
             return new JsonApiSchemaFactory(
                 $app->make(SchemaFactory::class),
                 $app->make(PropertyMetadataFactoryInterface::class),
@@ -850,7 +850,7 @@ public function register(): void
                 $app->make(DefinitionNameFactoryInterface::class),
             );
         });
-        $this->app->singleton(HydraSchemaFactory::class, static function (Application $app) {
+        $this->app->singleton(HydraSchemaFactory::class, static function (Application $app): HydraSchemaFactory {
             $config = $app['config'];
             $defaultContext = $config->get('api-platform.serializer', []);
 
@@ -862,11 +862,11 @@ public function register(): void
 
         $this->app->bind(SchemaFactoryInterface::class, HydraSchemaFactory::class);
 
-        $this->app->singleton(OpenApiNormalizer::class, static function (Application $app) {
+        $this->app->singleton(OpenApiNormalizer::class, static function (Application $app): OpenApiNormalizer {
             return new OpenApiNormalizer($app->make(ObjectNormalizer::class));
         });
 
-        $this->app->singleton(HydraDocumentationNormalizer::class, static function (Application $app) {
+        $this->app->singleton(HydraDocumentationNormalizer::class, static function (Application $app): HydraDocumentationNormalizer {
             $config = $app['config'];
             $defaultContext = $config->get('api-platform.serializer', []);
             $entrypointEnabled = $config->get('api-platform.enable_entrypoint', true);
@@ -883,7 +883,7 @@ public function register(): void
             );
         });
 
-        $this->app->singleton(HydraPartialCollectionViewNormalizer::class, static function (Application $app) {
+        $this->app->singleton(HydraPartialCollectionViewNormalizer::class, static function (Application $app): HydraPartialCollectionViewNormalizer {
             $config = $app['config'];
             $defaultContext = $config->get('api-platform.serializer', []);
 
@@ -909,7 +909,7 @@ public function register(): void
             );
         });
 
-        $this->app->singleton(ReservedAttributeNameConverter::class, static function (Application $app) {
+        $this->app->singleton(ReservedAttributeNameConverter::class, static function (Application $app): ReservedAttributeNameConverter {
             return new ReservedAttributeNameConverter($app->make(NameConverterInterface::class));
         });
 
@@ -919,7 +919,7 @@ public function register(): void
 
         $this->registerMcp();
 
-        $this->app->singleton(JsonApiEntrypointNormalizer::class, static function (Application $app) {
+        $this->app->singleton(JsonApiEntrypointNormalizer::class, static function (Application $app): JsonApiEntrypointNormalizer {
             return new JsonApiEntrypointNormalizer(
                 $app->make(ResourceMetadataCollectionFactoryInterface::class),
                 $app->make(IriConverterInterface::class),
@@ -927,7 +927,7 @@ public function register(): void
             );
         });
 
-        $this->app->singleton(JsonApiCollectionNormalizer::class, static function (Application $app) {
+        $this->app->singleton(JsonApiCollectionNormalizer::class, static function (Application $app): JsonApiCollectionNormalizer {
             /** @var ConfigRepository */
             $config = $app['config'];
 
@@ -938,7 +938,7 @@ public function register(): void
             );
         });
 
-        $this->app->singleton(JsonApiItemNormalizer::class, static function (Application $app) {
+        $this->app->singleton(JsonApiItemNormalizer::class, static function (Application $app): JsonApiItemNormalizer {
             $config = $app['config'];
             $defaultContext = $config->get('api-platform.serializer', []);
 
@@ -957,13 +957,13 @@ public function register(): void
             );
         });
 
-        $this->app->singleton(JsonApiErrorNormalizer::class, static function (Application $app) {
+        $this->app->singleton(JsonApiErrorNormalizer::class, static function (Application $app): JsonApiErrorNormalizer {
             return new JsonApiErrorNormalizer(
                 $app->make(JsonApiItemNormalizer::class),
             );
         });
 
-        $this->app->singleton(JsonApiObjectNormalizer::class, static function (Application $app) {
+        $this->app->singleton(JsonApiObjectNormalizer::class, static function (Application $app): JsonApiObjectNormalizer {
             return new JsonApiObjectNormalizer(
                 $app->make(ObjectNormalizer::class),
                 $app->make(IriConverterInterface::class),
@@ -972,7 +972,7 @@ public function register(): void
             );
         });
 
-        $this->app->singleton('api_platform_normalizer_list', static function (Application $app) {
+        $this->app->singleton('api_platform_normalizer_list', static function (Application $app): \SplPriorityQueue {
             $list = new \SplPriorityQueue();
             $list->insert($app->make(HydraEntrypointNormalizer::class), -800);
             $list->insert($app->make(HydraPartialCollectionViewNormalizer::class), -800);
@@ -1012,7 +1012,7 @@ public function register(): void
 
         $this->app->bind(SerializerInterface::class, Serializer::class);
         $this->app->bind(NormalizerInterface::class, Serializer::class);
-        $this->app->singleton(Serializer::class, static function (Application $app) {
+        $this->app->singleton(Serializer::class, static function (Application $app): Serializer {
             // TODO: unused + implement hal/jsonapi ?
             // $list->insert($dataUriNormalizer, -920);
             // $list->insert($unwrappingDenormalizer, 1000);
@@ -1032,7 +1032,7 @@ public function register(): void
             );
         });
 
-        $this->app->singleton(JsonLdItemNormalizer::class, static function (Application $app) {
+        $this->app->singleton(JsonLdItemNormalizer::class, static function (Application $app): JsonLdItemNormalizer {
             $config = $app['config'];
             $defaultContext = $config->get('api-platform.serializer', []);
 
@@ -1055,7 +1055,7 @@ public function register(): void
             );
         });
 
-        $this->app->singleton(InflectorInterface::class, static function (Application $app) {
+        $this->app->singleton(InflectorInterface::class, static function (Application $app): Inflector {
             return new Inflector();
         });
 
@@ -1076,14 +1076,14 @@ private function registerMcp(): void
             return;
         }
 
-        $this->app->singleton(Registry::class, static function (Application $app) {
+        $this->app->singleton(Registry::class, static function (Application $app): Registry {
             return new Registry(
                 null, // event dispatcher (todo)
                 $app->make(LoggerInterface::class)
             );
         });
 
-        $this->app->singleton(McpLoader::class, static function (Application $app) {
+        $this->app->singleton(McpLoader::class, static function (Application $app): McpLoader {
             return new McpLoader(
                 $app->make(ResourceNameCollectionFactoryInterface::class),
                 $app->make(ResourceMetadataCollectionFactoryInterface::class),
@@ -1093,11 +1093,11 @@ private function registerMcp(): void
         $this->app->tag(McpLoader::class, 'mcp.loader');
 
         // TODO: add more stores?
-        $this->app->singleton('mcp.session.store', static function () {
+        $this->app->singleton('mcp.session.store', static function (): InMemorySessionStore {
             return new InMemorySessionStore(3600);
         });
 
-        $this->app->singleton(Builder::class, static function (Application $app) {
+        $this->app->singleton(Builder::class, static function (Application $app): Builder {
             $config = $app['config'];
 
             $builder = Server::builder()
@@ -1105,8 +1105,7 @@ private function registerMcp(): void
                     $config->get('api-platform.title', 'API Platform'),
                     $config->get('api-platform.version', '1.0.0'),
                     $config->get('api-platform.description', 'My awesome API'),
-                    [], // icons
-                    null // website_url todo
+                    [] // website_url todo
                 )
                 ->setPaginationLimit(100)
                 ->setRegistry($app->make(Registry::class))
@@ -1125,21 +1124,21 @@ private function registerMcp(): void
             return $app->make(Builder::class)->build();
         });
 
-        $this->app->singleton(McpOperationMetadataFactory::class, static function (Application $app) {
+        $this->app->singleton(McpOperationMetadataFactory::class, static function (Application $app): McpOperationMetadataFactory {
             return new McpOperationMetadataFactory(
                 $app->make(ResourceNameCollectionFactoryInterface::class),
                 $app->make(ResourceMetadataCollectionFactoryInterface::class)
             );
         });
 
-        $this->app->singleton('api_platform.mcp.state_processor.write', static function (Application $app) {
+        $this->app->singleton('api_platform.mcp.state_processor.write', static function (Application $app): WriteProcessor {
             return new WriteProcessor(
                 null,
                 $app->make(CallableProcessor::class)
             );
         });
 
-        $this->app->singleton(StructuredContentProcessor::class, static function (Application $app) {
+        $this->app->singleton(StructuredContentProcessor::class, static function (Application $app): StructuredContentProcessor {
             return new StructuredContentProcessor(
                 $app->make(SerializerInterface::class),
                 $app->make(SerializerContextBuilderInterface::class),
@@ -1147,11 +1146,11 @@ private function registerMcp(): void
             );
         });
 
-        $this->app->singleton(RequestStack::class, static function (Application $app) {
+        $this->app->singleton(RequestStack::class, static function (Application $app): RequestStack {
             return new RequestStack();
         });
 
-        $this->app->singleton(Handler::class, static function (Application $app) {
+        $this->app->singleton(Handler::class, static function (Application $app): Handler {
             return new Handler(
                 $app->make(McpOperationMetadataFactory::class),
                 $app->make(ProviderInterface::class),
@@ -1161,12 +1160,12 @@ private function registerMcp(): void
             );
         });
 
-        $this->app->extend(IriConverterInterface::class, static function (IriConverterInterface $iriConverter) {
+        $this->app->extend(IriConverterInterface::class, static function (IriConverterInterface $iriConverter): McpIriConverter {
             return new McpIriConverter($iriConverter);
         });
 
         // Register Symfony MCP controller
-        $this->app->singleton(McpController::class, static function (Application $app) {
+        $this->app->singleton(McpController::class, static function (Application $app): McpController {
             if (!class_exists('Http\Discovery\Psr17Factory')) {
                 throw new \RuntimeException('PSR-17 HTTP factory implementation not available. Please install php-http/discovery.');
             }
@@ -1192,7 +1191,7 @@ private function registerMcp(): void
 
     private function registerGraphQl(): void
     {
-        $this->app->singleton(GraphQlItemNormalizer::class, static function (Application $app) {
+        $this->app->singleton(GraphQlItemNormalizer::class, static function (Application $app): GraphQlItemNormalizer {
             return new GraphQlItemNormalizer(
                 $app->make(PropertyNameCollectionFactoryInterface::class),
                 $app->make(PropertyMetadataFactoryInterface::class),
@@ -1208,7 +1207,7 @@ private function registerGraphQl(): void
             );
         });
 
-        $this->app->singleton(GraphQlObjectNormalizer::class, static function (Application $app) {
+        $this->app->singleton(GraphQlObjectNormalizer::class, static function (Application $app): GraphQlObjectNormalizer {
             return new GraphQlObjectNormalizer(
                 $app->make(ObjectNormalizer::class),
                 $app->make(IriConverterInterface::class),
@@ -1216,26 +1215,26 @@ private function registerGraphQl(): void
             );
         });
 
-        $this->app->singleton(GraphQlErrorNormalizer::class, static function () {
+        $this->app->singleton(GraphQlErrorNormalizer::class, static function (): GraphQlErrorNormalizer {
             return new GraphQlErrorNormalizer();
         });
 
-        $this->app->singleton(GraphQlValidationExceptionNormalizer::class, static function (Application $app) {
+        $this->app->singleton(GraphQlValidationExceptionNormalizer::class, static function (Application $app): GraphQlValidationExceptionNormalizer {
             /** @var ConfigRepository */
             $config = $app['config'];
 
             return new GraphQlValidationExceptionNormalizer($config->get('api-platform.exception_to_status'));
         });
 
-        $this->app->singleton(GraphQlHttpExceptionNormalizer::class, static function () {
+        $this->app->singleton(GraphQlHttpExceptionNormalizer::class, static function (): GraphQlHttpExceptionNormalizer {
             return new GraphQlHttpExceptionNormalizer();
         });
 
-        $this->app->singleton(GraphQlRuntimeExceptionNormalizer::class, static function () {
+        $this->app->singleton(GraphQlRuntimeExceptionNormalizer::class, static function (): GraphQlHttpExceptionNormalizer {
             return new GraphQlHttpExceptionNormalizer();
         });
 
-        $this->app->singleton('api_platform.graphql.type_locator', static function (Application $app) {
+        $this->app->singleton('api_platform.graphql.type_locator', static function (Application $app): ServiceLocator {
             $tagged = iterator_to_array($app->tagged('api_platform.graphql.type'));
             $services = [];
             foreach ($tagged as $service) {
@@ -1245,21 +1244,21 @@ private function registerGraphQl(): void
             return new ServiceLocator($services);
         });
 
-        $this->app->singleton(TypesFactoryInterface::class, static function (Application $app) {
+        $this->app->singleton(TypesFactoryInterface::class, static function (Application $app): TypesFactory {
             $tagged = iterator_to_array($app->tagged('api_platform.graphql.type'));
 
             return new TypesFactory($app->make('api_platform.graphql.type_locator'), array_column($tagged, 'name'));
         });
 
-        $this->app->singleton(TypesContainerInterface::class, static function () {
+        $this->app->singleton(TypesContainerInterface::class, static function (): TypesContainer {
             return new TypesContainer();
         });
 
-        $this->app->singleton(ResourceFieldResolver::class, static function (Application $app) {
+        $this->app->singleton(ResourceFieldResolver::class, static function (Application $app): ResourceFieldResolver {
             return new ResourceFieldResolver($app->make(IriConverterInterface::class));
         });
 
-        $this->app->singleton(ContextAwareTypeBuilderInterface::class, static function (Application $app) {
+        $this->app->singleton(ContextAwareTypeBuilderInterface::class, static function (Application $app): TypeBuilder {
             return new TypeBuilder(
                 $app->make(TypesContainerInterface::class),
                 $app->make(ResourceFieldResolver::class),
@@ -1268,7 +1267,7 @@ private function registerGraphQl(): void
             );
         });
 
-        $this->app->singleton(TypeConverterInterface::class, static function (Application $app) {
+        $this->app->singleton(TypeConverterInterface::class, static function (Application $app): TypeConverter {
             return new TypeConverter(
                 $app->make(ContextAwareTypeBuilderInterface::class),
                 $app->make(TypesContainerInterface::class),
@@ -1277,11 +1276,11 @@ private function registerGraphQl(): void
             );
         });
 
-        $this->app->singleton(GraphQlSerializerContextBuilder::class, static function (Application $app) {
+        $this->app->singleton(GraphQlSerializerContextBuilder::class, static function (Application $app): GraphQlSerializerContextBuilder {
             return new GraphQlSerializerContextBuilder($app->make(NameConverterInterface::class));
         });
 
-        $this->app->singleton(GraphQlReadProvider::class, function (Application $app) {
+        $this->app->singleton(GraphQlReadProvider::class, function (Application $app): GraphQlReadProvider {
             /** @var ConfigRepository */
             $config = $app['config'];
 
@@ -1294,7 +1293,7 @@ private function registerGraphQl(): void
         });
         $this->app->alias(GraphQlReadProvider::class, 'api_platform.graphql.state_provider.read');
 
-        $this->app->singleton(ErrorProvider::class, static function (Application $app) {
+        $this->app->singleton(ErrorProvider::class, static function (Application $app): ErrorProvider {
             /** @var ConfigRepository */
             $config = $app['config'];
 
@@ -1305,7 +1304,7 @@ private function registerGraphQl(): void
             );
         });
 
-        $this->app->singleton(ResolverProvider::class, static function (Application $app) {
+        $this->app->singleton(ResolverProvider::class, static function (Application $app): ResolverProvider {
             $resolvers = iterator_to_array($app->tagged('api_platform.graphql.resolver'));
             $taggedItemResolvers = iterator_to_array($app->tagged(QueryItemResolverInterface::class));
             $taggedCollectionResolvers = iterator_to_array($app->tagged(QueryCollectionResolverInterface::class));
@@ -1318,7 +1317,7 @@ private function registerGraphQl(): void
 
         $this->app->alias(ResolverProvider::class, 'api_platform.graphql.state_provider.resolver');
 
-        $this->app->singleton(GraphQlDenormalizeProvider::class, function (Application $app) {
+        $this->app->singleton(GraphQlDenormalizeProvider::class, function (Application $app): GraphQlDenormalizeProvider {
             return new GraphQlDenormalizeProvider(
                 $this->app->make(ResolverProvider::class),
                 $app->make(SerializerInterface::class),
@@ -1328,11 +1327,11 @@ private function registerGraphQl(): void
 
         $this->app->alias(GraphQlDenormalizeProvider::class, 'api_platform.graphql.state_provider.denormalize');
 
-        $this->app->singleton('api_platform.graphql.state_provider.access_checker', static function (Application $app) {
+        $this->app->singleton('api_platform.graphql.state_provider.access_checker', static function (Application $app): AccessCheckerProvider {
             return new AccessCheckerProvider($app->make('api_platform.graphql.state_provider.parameter'), $app->make(ResourceAccessCheckerInterface::class));
         });
 
-        $this->app->singleton(NormalizeProcessor::class, static function (Application $app) {
+        $this->app->singleton(NormalizeProcessor::class, static function (Application $app): NormalizeProcessor {
             return new NormalizeProcessor(
                 $app->make(SerializerInterface::class),
                 $app->make(GraphQlSerializerContextBuilder::class),
@@ -1341,14 +1340,14 @@ private function registerGraphQl(): void
         });
         $this->app->alias(NormalizeProcessor::class, 'api_platform.graphql.state_processor.normalize');
 
-        $this->app->singleton('api_platform.graphql.state_processor', static function (Application $app) {
+        $this->app->singleton('api_platform.graphql.state_processor', static function (Application $app): WriteProcessor {
             return new WriteProcessor(
                 $app->make('api_platform.graphql.state_processor.normalize'),
                 $app->make(CallableProcessor::class),
             );
         });
 
-        $this->app->singleton(ResolverFactoryInterface::class, static function (Application $app) {
+        $this->app->singleton(ResolverFactoryInterface::class, static function (Application $app): ResolverFactory {
             return new ResolverFactory(
                 $app->make('api_platform.graphql.state_provider.access_checker'),
                 $app->make('api_platform.graphql.state_processor'),
@@ -1356,29 +1355,29 @@ private function registerGraphQl(): void
             );
         });
 
-        $this->app->singleton('api_platform.graphql.runtime_operation_metadata_factory', static function (Application $app) {
+        $this->app->singleton('api_platform.graphql.runtime_operation_metadata_factory', static function (Application $app): RuntimeOperationMetadataFactory {
             return new RuntimeOperationMetadataFactory(
                 $app->make(ResourceMetadataCollectionFactoryInterface::class),
                 $app->make(UrlGeneratorRouter::class)
             );
         });
 
-        $this->app->singleton(SchemaBuilderInterface::class, static function (Application $app) {
+        $this->app->singleton(SchemaBuilderInterface::class, static function (Application $app): SchemaBuilder {
             return new SchemaBuilder($app->make(ResourceNameCollectionFactoryInterface::class), $app->make(ResourceMetadataCollectionFactoryInterface::class), $app->make(TypesFactoryInterface::class), $app->make(TypesContainerInterface::class), $app->make(FieldsBuilderEnumInterface::class));
         });
 
-        $this->app->singleton(ErrorHandlerInterface::class, static function () {
+        $this->app->singleton(ErrorHandlerInterface::class, static function (): GraphQlErrorHandler {
             return new GraphQlErrorHandler();
         });
 
-        $this->app->singleton(ExecutorInterface::class, static function (Application $app) {
+        $this->app->singleton(ExecutorInterface::class, static function (Application $app): Executor {
             /** @var ConfigRepository */
             $config = $app['config'];
 
             return new Executor($config->get('api-platform.graphql.introspection.enabled') ?? false, $config->get('api-platform.graphql.max_query_complexity') ?? 500, $config->get('api-platform.graphql.max_query_depth') ?? 200);
         });
 
-        $this->app->singleton(GraphiQlController::class, static function (Application $app) {
+        $this->app->singleton(GraphiQlController::class, static function (Application $app): GraphiQlController {
             /** @var ConfigRepository */
             $config = $app['config'];
             $prefix = $config->get('api-platform.defaults.route_prefix') ?? '';
@@ -1386,7 +1385,7 @@ private function registerGraphQl(): void
             return new GraphiQlController($prefix);
         });
 
-        $this->app->singleton(GraphQlEntrypointController::class, static function (Application $app) {
+        $this->app->singleton(GraphQlEntrypointController::class, static function (Application $app): GraphQlEntrypointController {
             /** @var ConfigRepository */
             $config = $app['config'];
 
diff --git a/src/Laravel/Controller/DocumentationController.php b/src/Laravel/Controller/DocumentationController.php
index 0b3b1809b74..15378c6a355 100644
--- a/src/Laravel/Controller/DocumentationController.php
+++ b/src/Laravel/Controller/DocumentationController.php
@@ -86,7 +86,7 @@ private function getOpenApiDocumentation(array $context, string $format, Request
             class: OpenApi::class,
             read: true,
             serialize: true,
-            provider: fn () => $this->openApiFactory->__invoke($context),
+            provider: fn (): OpenApi => $this->openApiFactory->__invoke($context),
             normalizationContext: [
                 ApiGatewayNormalizer::API_GATEWAY => $context['api_gateway'] ?? null,
                 LegacyOpenApiNormalizer::SPEC_VERSION => $context['spec_version'] ?? null,
@@ -114,7 +114,7 @@ private function getHydraDocumentation(array $context, Request $request): Respon
             class: Documentation::class,
             read: true,
             serialize: true,
-            provider: fn () => new Documentation($this->resourceNameCollectionFactory->create(), $this->title, $this->description, $this->version)
+            provider: fn (): Documentation => new Documentation($this->resourceNameCollectionFactory->create(), $this->title, $this->description, $this->version)
         );
 
         return $this->processor->process($this->provider->provide($operation, [], $context), $operation, [], $context);
diff --git a/src/Laravel/Eloquent/ApiPlatformEventProvider.php b/src/Laravel/Eloquent/ApiPlatformEventProvider.php
index c9c7aa23d34..b086e3a53d1 100644
--- a/src/Laravel/Eloquent/ApiPlatformEventProvider.php
+++ b/src/Laravel/Eloquent/ApiPlatformEventProvider.php
@@ -40,7 +40,7 @@ public function register(): void
             return;
         }
 
-        $this->app->singleton('api_platform.http_cache.clients_array', static function (Application $app) {
+        $this->app->singleton('api_platform.http_cache.clients_array', static function (Application $app): array {
             $purgerUrls = Config::get('api-platform.http_cache.invalidation.urls', []);
             $requestOptions = Config::get('api-platform.http_cache.invalidation.request_options', []);
 
@@ -54,11 +54,11 @@ public function register(): void
 
         $httpClients = static fn (Application $app) => $app->make('api_platform.http_cache.clients_array');
 
-        $this->app->singleton(VarnishPurger::class, static function (Application $app) use ($httpClients) {
+        $this->app->singleton(VarnishPurger::class, static function (Application $app) use ($httpClients): VarnishPurger {
             return new VarnishPurger($httpClients($app));
         });
 
-        $this->app->singleton(VarnishXKeyPurger::class, static function (Application $app) use ($httpClients) {
+        $this->app->singleton(VarnishXKeyPurger::class, static function (Application $app) use ($httpClients): VarnishXKeyPurger {
             return new VarnishXKeyPurger(
                 $httpClients($app),
                 Config::get('api-platform.http_cache.invalidation.max_header_length', 7500),
@@ -66,7 +66,7 @@ public function register(): void
             );
         });
 
-        $this->app->singleton(SouinPurger::class, static function (Application $app) use ($httpClients) {
+        $this->app->singleton(SouinPurger::class, static function (Application $app) use ($httpClients): SouinPurger {
             return new SouinPurger(
                 $httpClients($app),
                 Config::get('api-platform.http_cache.invalidation.max_header_length', 7500)
@@ -86,7 +86,7 @@ public function register(): void
             return $app->make($purgerClass);
         });
 
-        $this->app->singleton(PurgeHttpCacheListener::class, static function (Application $app) {
+        $this->app->singleton(PurgeHttpCacheListener::class, static function (Application $app): PurgeHttpCacheListener {
             return new PurgeHttpCacheListener(
                 $app->make(PurgerInterface::class),
                 $app->make(IriConverterInterface::class),
diff --git a/src/Laravel/Eloquent/Filter/OrFilter.php b/src/Laravel/Eloquent/Filter/OrFilter.php
index 609608cb929..91de0aa7dd3 100644
--- a/src/Laravel/Eloquent/Filter/OrFilter.php
+++ b/src/Laravel/Eloquent/Filter/OrFilter.php
@@ -32,7 +32,7 @@ public function __construct(private FilterInterface $filter)
      */
     public function apply(Builder $builder, mixed $values, Parameter $parameter, array $context = []): Builder
     {
-        return $builder->where(function ($builder) use ($values, $parameter, $context): void {
+        return $builder->where(function (Builder $builder) use ($values, $parameter, $context): void {
             foreach ($values as $value) {
                 $this->filter->apply($builder, $value, $parameter, ['whereClause' => 'orWhere'] + $context);
             }
diff --git a/src/Laravel/Eloquent/Metadata/ModelMetadata.php b/src/Laravel/Eloquent/Metadata/ModelMetadata.php
index a481de4b033..4c5b80ce4ce 100644
--- a/src/Laravel/Eloquent/Metadata/ModelMetadata.php
+++ b/src/Laravel/Eloquent/Metadata/ModelMetadata.php
@@ -29,12 +29,12 @@ final class ModelMetadata
     /**
      * @var array<class-string, array<string, mixed>>
      */
-    private $attributesLocalCache = [];
+    private array $attributesLocalCache = [];
 
     /**
      * @var array<class-string, array<string, mixed>>
      */
-    private $relationsLocalCache = [];
+    private array $relationsLocalCache = [];
 
     /**
      * The methods that can be called in a model to indicate a relation.
@@ -348,7 +348,7 @@ public function getRelatedModelClass(string $modelClass, string $property): ?str
     private function columnIsUnique(string $column, array $indexes): bool
     {
         return collect($indexes)->contains(
-            static fn ($index) => 1 === \count($index['columns']) && $index['columns'][0] === $column && $index['unique']
+            static fn ($index): bool => 1 === \count($index['columns']) && $index['columns'][0] === $column && $index['unique']
         );
     }
 }
diff --git a/src/Laravel/Eloquent/State/RemoveProcessor.php b/src/Laravel/Eloquent/State/RemoveProcessor.php
index a4a4583a01b..e0cf1c35172 100644
--- a/src/Laravel/Eloquent/State/RemoveProcessor.php
+++ b/src/Laravel/Eloquent/State/RemoveProcessor.php
@@ -21,7 +21,7 @@
  */
 final class RemoveProcessor implements ProcessorInterface
 {
-    public function process(mixed $data, Operation $operation, array $uriVariables = [], array $context = [])
+    public function process(mixed $data, Operation $operation, array $uriVariables = [], array $context = []): null
     {
         $data->delete();
 
diff --git a/src/Laravel/Exception/ErrorHandler.php b/src/Laravel/Exception/ErrorHandler.php
index 213ae49efb4..13246b7769a 100644
--- a/src/Laravel/Exception/ErrorHandler.php
+++ b/src/Laravel/Exception/ErrorHandler.php
@@ -169,9 +169,7 @@ public function render($request, \Throwable $exception)
         }
 
         try {
-            $response = $this->apiPlatformController->__invoke($dup);
-
-            return $response;
+            return $this->apiPlatformController->__invoke($dup);
         } catch (\Throwable $e) {
             return $this->decorated ? $this->decorated->render($request, $exception) : parent::render($request, $exception);
         }
diff --git a/src/Laravel/Metadata/CachePropertyMetadataFactory.php b/src/Laravel/Metadata/CachePropertyMetadataFactory.php
index f3132a55d30..7e3711f4124 100644
--- a/src/Laravel/Metadata/CachePropertyMetadataFactory.php
+++ b/src/Laravel/Metadata/CachePropertyMetadataFactory.php
@@ -29,7 +29,7 @@ public function create(string $resourceClass, string $property, array $options =
     {
         $key = hash('xxh3', serialize(['resource_class' => $resourceClass, 'property' => $property] + $options));
 
-        return Cache::store($this->cacheStore)->rememberForever($key, function () use ($resourceClass, $property, $options) {
+        return Cache::store($this->cacheStore)->rememberForever($key, function () use ($resourceClass, $property, $options): ApiProperty {
             return $this->decorated->create($resourceClass, $property, $options);
         });
     }
diff --git a/src/Laravel/Metadata/CachePropertyNameCollectionMetadataFactory.php b/src/Laravel/Metadata/CachePropertyNameCollectionMetadataFactory.php
index 6269dd2080f..abc4c17f51c 100644
--- a/src/Laravel/Metadata/CachePropertyNameCollectionMetadataFactory.php
+++ b/src/Laravel/Metadata/CachePropertyNameCollectionMetadataFactory.php
@@ -29,7 +29,7 @@ public function create(string $resourceClass, array $options = []): PropertyName
     {
         $key = hash('xxh3', serialize(['resource_class' => $resourceClass] + $options));
 
-        return Cache::store($this->cacheStore)->rememberForever($key, function () use ($resourceClass, $options) {
+        return Cache::store($this->cacheStore)->rememberForever($key, function () use ($resourceClass, $options): PropertyNameCollection {
             return $this->decorated->create($resourceClass, $options);
         });
     }
diff --git a/src/Laravel/Metadata/CacheResourceCollectionMetadataFactory.php b/src/Laravel/Metadata/CacheResourceCollectionMetadataFactory.php
index 83836d9aae4..20816d72482 100644
--- a/src/Laravel/Metadata/CacheResourceCollectionMetadataFactory.php
+++ b/src/Laravel/Metadata/CacheResourceCollectionMetadataFactory.php
@@ -27,7 +27,7 @@ public function __construct(
 
     public function create(string $resourceClass): ResourceMetadataCollection
     {
-        return Cache::store($this->cacheStore)->rememberForever($resourceClass, function () use ($resourceClass) {
+        return Cache::store($this->cacheStore)->rememberForever($resourceClass, function () use ($resourceClass): ResourceMetadataCollection {
             return $this->decorated->create($resourceClass);
         });
     }
diff --git a/src/Laravel/Metadata/ParameterValidationResourceMetadataCollectionFactory.php b/src/Laravel/Metadata/ParameterValidationResourceMetadataCollectionFactory.php
index e3741201582..98677e96a3d 100644
--- a/src/Laravel/Metadata/ParameterValidationResourceMetadataCollectionFactory.php
+++ b/src/Laravel/Metadata/ParameterValidationResourceMetadataCollectionFactory.php
@@ -18,13 +18,11 @@
 use ApiPlatform\Metadata\Resource\Factory\ResourceMetadataCollectionFactoryInterface;
 use ApiPlatform\Metadata\Resource\ResourceMetadataCollection;
 use Illuminate\Validation\Rule;
-use Psr\Container\ContainerInterface;
 
 final class ParameterValidationResourceMetadataCollectionFactory implements ResourceMetadataCollectionFactoryInterface
 {
     public function __construct(
         private readonly ?ResourceMetadataCollectionFactoryInterface $decorated = null,
-        private readonly ?ContainerInterface $filterLocator = null,
     ) {
     }
 
diff --git a/src/Laravel/Tests/CustomExceptionHandlerTest.php b/src/Laravel/Tests/CustomExceptionHandlerTest.php
index 1c9672fcabb..bad0e3fe5f1 100644
--- a/src/Laravel/Tests/CustomExceptionHandlerTest.php
+++ b/src/Laravel/Tests/CustomExceptionHandlerTest.php
@@ -75,15 +75,15 @@ protected function setUp(): void
             });
         }
 
-        Route::get('/non-api-route', static function () {
+        Route::get('/non-api-route', static function (): void {
             throw new CustomTestException('This should be handled by custom handler');
         });
 
-        Route::get('/non-api-route-regular', static function () {
+        Route::get('/non-api-route-regular', static function (): void {
             throw new \RuntimeException('Regular exception on non-API route');
         });
 
-        Route::get('/non-api-custom-handler', static function () {
+        Route::get('/non-api-custom-handler', static function (): void {
             throw new CustomHandlerException('Should use custom handler class');
         });
     }
@@ -129,7 +129,7 @@ public function testCustomHandlerClassWorksForNonApiRoutes(): void
         $this->setUpTraits();
         CustomHandler::$customRenderCalled = false;
 
-        Route::get('/non-api-custom-handler-test', static function () {
+        Route::get('/non-api-custom-handler-test', static function (): void {
             throw new CustomHandlerException('Should use custom handler class');
         });
 
diff --git a/src/Laravel/Tests/EloquentTest.php b/src/Laravel/Tests/EloquentTest.php
index b0b67ff98d2..073b7fdf5d6 100644
--- a/src/Laravel/Tests/EloquentTest.php
+++ b/src/Laravel/Tests/EloquentTest.php
@@ -136,7 +136,7 @@ public function testDateFilterIncludeNull(): void
 
         $response = $this->get('/api/books', ['Accept' => ['application/ld+json']]);
         $book = $response->json()['member'][0];
-        $updated = $this->patchJson(
+        $this->patchJson(
             $book['@id'],
             ['publicationDate' => null],
             [
@@ -155,7 +155,7 @@ public function testDateFilterExcludeNull(): void
 
         $response = $this->get('/api/books', ['Accept' => ['application/ld+json']]);
         $book = $response->json()['member'][0];
-        $updated = $this->patchJson(
+        $this->patchJson(
             $book['@id'],
             ['publicationDate' => null],
             [
diff --git a/src/Laravel/Tests/GraphQlTest.php b/src/Laravel/Tests/GraphQlTest.php
index 570dae5a6d6..923f776ad82 100644
--- a/src/Laravel/Tests/GraphQlTest.php
+++ b/src/Laravel/Tests/GraphQlTest.php
@@ -83,7 +83,7 @@ public function testGetBooksWithPaginationAndOrder(): void
         // Create books in reverse alphabetical order to test the 'asc' order
         BookFactory::new()
             ->count(10)
-            ->sequence(static fn ($sequence) => ['name' => \chr(max(0, min(255, 122 - (int) $sequence->index)))]) // ASCII codes starting from 'z'
+            ->sequence(static fn ($sequence): array => ['name' => \chr(max(0, min(255, 122 - (int) $sequence->index)))]) // ASCII codes starting from 'z'
             ->has(AuthorFactory::new())
             ->create();
 
diff --git a/src/Laravel/Tests/Metadata/Resource/Factory/ParameterResourceMetadataCollectionFactoryTest.php b/src/Laravel/Tests/Metadata/Resource/Factory/ParameterResourceMetadataCollectionFactoryTest.php
index f0a3d1a2f6f..3c0b6b5e62e 100644
--- a/src/Laravel/Tests/Metadata/Resource/Factory/ParameterResourceMetadataCollectionFactoryTest.php
+++ b/src/Laravel/Tests/Metadata/Resource/Factory/ParameterResourceMetadataCollectionFactoryTest.php
@@ -37,7 +37,7 @@ public function testNestedPropertyWithEloquentRelationship(): void
 
         $propertyMetadata = $this->createStub(PropertyMetadataFactoryInterface::class);
         $propertyMetadata->method('create')->willReturnCallback(
-            static function (string $class, string $property) {
+            static function (string $class, string $property): ApiProperty {
                 return new ApiProperty(readable: true);
             }
         );
diff --git a/src/Laravel/Tests/NestedPropertyFilterTest.php b/src/Laravel/Tests/NestedPropertyFilterTest.php
index 2b2da5c056a..bb89d0b674f 100644
--- a/src/Laravel/Tests/NestedPropertyFilterTest.php
+++ b/src/Laravel/Tests/NestedPropertyFilterTest.php
@@ -36,7 +36,7 @@ class NestedPropertyFilterTest extends TestCase
     protected function defineEnvironment($app): void
     {
         tap($app['config'], static function (Repository $config): void {
-            $config->set('api-platform.name_converter', null);
+            $config->set('api-platform.name_converter');
             $config->set('api-platform.formats', ['jsonld' => ['application/ld+json']]);
         });
     }
@@ -77,14 +77,14 @@ public function testFilterByDeeplyNestedPropertyWithSnakeCase(): void
         $product1 = Product::create(['name' => 'Laptop', 'price' => 999.99]);
         $product2 = Product::create(['name' => 'Keyboard', 'price' => 79.99]);
 
-        $variation1 = ProductVariation::create([
+        ProductVariation::create([
             'product_id' => $product1->id,
             'variant_name' => 'Gaming Edition',
             'sku_code' => 'LAP-GAMING-001',
             'price_adjustment' => 200.00,
         ]);
 
-        $variation2 = ProductVariation::create([
+        ProductVariation::create([
             'product_id' => $product2->id,
             'variant_name' => 'Mechanical Blue',
             'sku_code' => 'KEY-MECH-BLUE',
diff --git a/src/Laravel/Tests/NumericFloatTypesTest.php b/src/Laravel/Tests/NumericFloatTypesTest.php
index 7724acf51ee..1ea12b6dba3 100644
--- a/src/Laravel/Tests/NumericFloatTypesTest.php
+++ b/src/Laravel/Tests/NumericFloatTypesTest.php
@@ -37,7 +37,7 @@ class NumericFloatTypesTest extends TestCase
     protected function defineEnvironment($app): void
     {
         tap($app['config'], static function (Repository $config): void {
-            $config->set('api-platform.name_converter', null);
+            $config->set('api-platform.name_converter');
             $config->set('api-platform.formats', ['jsonld' => ['application/ld+json']]);
             $config->set('api-platform.docs_formats', ['jsonld' => ['application/ld+json']]);
         });
diff --git a/src/Laravel/Tests/Policy/PolicyAllowTest.php b/src/Laravel/Tests/Policy/PolicyAllowTest.php
index e739d7d85c7..655a914dab2 100644
--- a/src/Laravel/Tests/Policy/PolicyAllowTest.php
+++ b/src/Laravel/Tests/Policy/PolicyAllowTest.php
@@ -36,7 +36,7 @@ class PolicyAllowTest extends TestCase
      */
     protected function defineEnvironment($app): void
     {
-        Gate::guessPolicyNamesUsing(static function (string $modelClass) {
+        Gate::guessPolicyNamesUsing(static function (string $modelClass): ?string {
             return Book::class === $modelClass ?
                 BookAllowPolicy::class :
                 null;
diff --git a/src/Laravel/Tests/Policy/PolicyDenyTest.php b/src/Laravel/Tests/Policy/PolicyDenyTest.php
index c198eb7a442..3643381601f 100644
--- a/src/Laravel/Tests/Policy/PolicyDenyTest.php
+++ b/src/Laravel/Tests/Policy/PolicyDenyTest.php
@@ -36,7 +36,7 @@ class PolicyDenyTest extends TestCase
      */
     protected function defineEnvironment($app): void
     {
-        Gate::guessPolicyNamesUsing(static function (string $modelClass) {
+        Gate::guessPolicyNamesUsing(static function (string $modelClass): ?string {
             return Book::class === $modelClass ?
                 BookDenyPolicy::class :
                 null;
diff --git a/src/Laravel/Tests/SnakeCaseApiTest.php b/src/Laravel/Tests/SnakeCaseApiTest.php
index e375b5752da..916b6bd81cf 100644
--- a/src/Laravel/Tests/SnakeCaseApiTest.php
+++ b/src/Laravel/Tests/SnakeCaseApiTest.php
@@ -31,7 +31,7 @@ class SnakeCaseApiTest extends TestCase
     protected function defineEnvironment($app): void
     {
         tap($app['config'], static function (Repository $config): void {
-            $config->set('api-platform.name_converter', null);
+            $config->set('api-platform.name_converter');
             $config->set('api-platform.formats', ['jsonld' => ['application/ld+json']]);
             $config->set('api-platform.docs_formats', ['jsonld' => ['application/ld+json']]);
         });
diff --git a/src/Laravel/workbench/app/ApiResource/Issue7338Reproducer.php b/src/Laravel/workbench/app/ApiResource/Issue7338Reproducer.php
index 2c0367173cb..c3ab2960033 100644
--- a/src/Laravel/workbench/app/ApiResource/Issue7338Reproducer.php
+++ b/src/Laravel/workbench/app/ApiResource/Issue7338Reproducer.php
@@ -39,15 +39,14 @@ class Issue7338Reproducer
 {
     public function __construct(public ?int $id = null, public ?string $title = null)
     {
-        $this->id = $id;
     }
 
-    public static function provide(Operation $operation, array $uriVariables = [], array $context = [])
+    public static function provide(Operation $operation, array $uriVariables = [], array $context = []): Issue7338Output
     {
         return new Issue7338Output((int) $uriVariables['id'], 'Test Name', new \DateTimeImmutable());
     }
 
-    public static function process(mixed $data, Operation $operation, array $uriVariables = [], array $context = [])
+    public static function process(mixed $data, Operation $operation, array $uriVariables = [], array $context = []): self
     {
         \assert(null === $data->description);
 
diff --git a/src/Laravel/workbench/app/ApiResource/SlotsForDate.php b/src/Laravel/workbench/app/ApiResource/SlotsForDate.php
index 6b32f2ea8c1..718058eac90 100644
--- a/src/Laravel/workbench/app/ApiResource/SlotsForDate.php
+++ b/src/Laravel/workbench/app/ApiResource/SlotsForDate.php
@@ -33,7 +33,7 @@ class SlotsForDate
     public string $name = 'Morning Slot';
     public string $note = 'This is a morning slot';
 
-    public static function provide()
+    public static function provide(): array
     {
         return [];
     }
diff --git a/src/Laravel/workbench/app/ApiResource/Staff.php b/src/Laravel/workbench/app/ApiResource/Staff.php
index 5376f1863da..a7191025018 100644
--- a/src/Laravel/workbench/app/ApiResource/Staff.php
+++ b/src/Laravel/workbench/app/ApiResource/Staff.php
@@ -18,7 +18,7 @@
 #[ApiResource(provider: [self::class, 'provide'])]
 class Staff
 {
-    public static function provide()
+    public static function provide(): array
     {
         return [];
     }
diff --git a/src/Laravel/workbench/app/ApiResource/StaffPositionHistory.php b/src/Laravel/workbench/app/ApiResource/StaffPositionHistory.php
index df0f243a253..b4b091bc38f 100644
--- a/src/Laravel/workbench/app/ApiResource/StaffPositionHistory.php
+++ b/src/Laravel/workbench/app/ApiResource/StaffPositionHistory.php
@@ -18,7 +18,7 @@
 #[ApiResource(provider: [self::class, 'provide'])]
 class StaffPositionHistory
 {
-    public static function provide()
+    public static function provide(): array
     {
         return [];
     }
diff --git a/src/Laravel/workbench/app/Http/Requests/GetDropOffSlotsRequest.php b/src/Laravel/workbench/app/Http/Requests/GetDropOffSlotsRequest.php
index 696e9f07783..4e4ddc56e92 100644
--- a/src/Laravel/workbench/app/Http/Requests/GetDropOffSlotsRequest.php
+++ b/src/Laravel/workbench/app/Http/Requests/GetDropOffSlotsRequest.php
@@ -51,7 +51,7 @@ public function rules(): array
     protected function failedValidation(Validator $validator): void
     {
         $violations = collect($validator->errors())
-            ->map(static fn ($m, $f) => ['propertyPath' => $f, 'message' => $m[0]]) // ** @phpstan-ignore-line */
+            ->map(static fn ($m, $f): array => ['propertyPath' => $f, 'message' => $m[0]]) // ** @phpstan-ignore-line */
             ->values()->all();
 
         throw new \ApiPlatform\Laravel\ApiResource\ValidationError($violations[0]['message'] ?? 'Validation failed.', hash('xxh3', implode(',', array_column($violations, 'propertyPath'))), new \Illuminate\Validation\ValidationException($validator), $violations);
diff --git a/src/Laravel/workbench/app/Models/GrandFather.php b/src/Laravel/workbench/app/Models/GrandFather.php
index d163bc8f5d8..8aa89bc8aa6 100644
--- a/src/Laravel/workbench/app/Models/GrandFather.php
+++ b/src/Laravel/workbench/app/Models/GrandFather.php
@@ -17,7 +17,6 @@
 use ApiPlatform\Metadata\ApiResource;
 use ApiPlatform\Metadata\Get;
 use ApiPlatform\Metadata\Link;
-use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 
@@ -43,10 +42,6 @@ class GrandFather extends Model
     #[ApiProperty(genId: false, identifier: true)]
     private ?int $id_grand_father;
 
-    private ?string $name = null;
-
-    private ?Collection $sons = null;
-
     public function sons(): HasMany
     {
         return $this->hasMany(GrandSon::class, 'grand_father_id', 'id_grand_father');
diff --git a/src/Laravel/workbench/app/Models/GrandSon.php b/src/Laravel/workbench/app/Models/GrandSon.php
index 9eb22eefa34..aa2472e262e 100644
--- a/src/Laravel/workbench/app/Models/GrandSon.php
+++ b/src/Laravel/workbench/app/Models/GrandSon.php
@@ -42,10 +42,6 @@ class GrandSon extends Model
     #[ApiProperty(genId: false, identifier: true)]
     private ?int $id_grand_son;
 
-    private ?string $name = null;
-
-    private ?GrandFather $grandfather = null;
-
     public function grandfather(): BelongsTo
     {
         return $this->belongsTo(GrandFather::class, 'grand_father_id', 'id_grand_father');
diff --git a/src/Laravel/workbench/app/Models/WithAccessor.php b/src/Laravel/workbench/app/Models/WithAccessor.php
index 2e992105187..7b2b3015ae8 100644
--- a/src/Laravel/workbench/app/Models/WithAccessor.php
+++ b/src/Laravel/workbench/app/Models/WithAccessor.php
@@ -38,7 +38,7 @@ public function relation(): BelongsTo
     protected function name(): Attribute
     {
         return Attribute::make(
-            get: static fn (string $value) => 'test',
+            get: static fn (string $value): string => 'test',
         );
     }
 }
diff --git a/src/Laravel/workbench/app/Providers/WorkbenchServiceProvider.php b/src/Laravel/workbench/app/Providers/WorkbenchServiceProvider.php
index 9abdc0eb627..c6feb70e4d0 100644
--- a/src/Laravel/workbench/app/Providers/WorkbenchServiceProvider.php
+++ b/src/Laravel/workbench/app/Providers/WorkbenchServiceProvider.php
@@ -39,10 +39,10 @@ public function register(): void
         $config->set('api-platform.http_cache.invalidation.purger', MockPurger::class);
         $config->set('cache.default', 'null');
 
-        $this->app->singleton(MockPurger::class, static fn ($app) => new MockPurger());
-        $this->app->singleton(DummyService::class, static fn ($app) => new DummyService($app['config']->get('api-platform.title')));
-        $this->app->singleton(CustomProviderWithDependency::class, static fn ($app) => new CustomProviderWithDependency($app->make(DummyService::class)));
-        $this->app->singleton('app.exact_filter', static fn ($app) => new EqualsFilter());
+        $this->app->singleton(MockPurger::class, static fn ($app): MockPurger => new MockPurger());
+        $this->app->singleton(DummyService::class, static fn ($app): DummyService => new DummyService($app['config']->get('api-platform.title')));
+        $this->app->singleton(CustomProviderWithDependency::class, static fn ($app): CustomProviderWithDependency => new CustomProviderWithDependency($app->make(DummyService::class)));
+        $this->app->singleton('app.exact_filter', static fn ($app): EqualsFilter => new EqualsFilter());
     }
 
     /**
diff --git a/src/Laravel/workbench/app/Services/DummyService.php b/src/Laravel/workbench/app/Services/DummyService.php
index 6f59be5c503..ead02332af9 100644
--- a/src/Laravel/workbench/app/Services/DummyService.php
+++ b/src/Laravel/workbench/app/Services/DummyService.php
@@ -15,10 +15,6 @@
 
 class DummyService
 {
-    public function __construct(private readonly string $var)
-    {
-    }
-
     public function dummyMethod(): string
     {
         return 'test';
diff --git a/src/Laravel/workbench/database/factories/UserFactory.php b/src/Laravel/workbench/database/factories/UserFactory.php
index 6838a98d8b0..772393b7297 100644
--- a/src/Laravel/workbench/database/factories/UserFactory.php
+++ b/src/Laravel/workbench/database/factories/UserFactory.php
@@ -58,7 +58,7 @@ public function definition(): array
      */
     public function unverified(): static
     {
-        return $this->state(static fn (array $attributes) => [
+        return $this->state(static fn (array $attributes): array => [
             'email_verified_at' => null,
         ]);
     }
diff --git a/src/Laravel/workbench/routes/web.php b/src/Laravel/workbench/routes/web.php
index 76c005280b4..251cd95b81d 100644
--- a/src/Laravel/workbench/routes/web.php
+++ b/src/Laravel/workbench/routes/web.php
@@ -14,7 +14,7 @@
 use Illuminate\Http\Request;
 use Workbench\App\Models\User;
 
-Route::post('/tokens/create', static function (Request $request) {
+Route::post('/tokens/create', static function (Request $request): array {
     $user = User::first();
     $token = $user->createToken('foo');
 
diff --git a/src/Mcp/State/StructuredContentProcessor.php b/src/Mcp/State/StructuredContentProcessor.php
index b4fac25d2fa..02ea34e4e31 100644
--- a/src/Mcp/State/StructuredContentProcessor.php
+++ b/src/Mcp/State/StructuredContentProcessor.php
@@ -57,7 +57,7 @@ public function process(mixed $data, Operation $operation, array $uriVariables =
 
         $context['original_data'] = $result;
         $class = $operation->getClass();
-        $includeStructuredContent = $operation instanceof McpTool || $operation instanceof McpResource ? $operation->getStructuredContent() ?? true : false;
+        $includeStructuredContent = ($operation instanceof McpTool || $operation instanceof McpResource) && ($operation->getStructuredContent() ?? true);
         $structuredContent = null;
 
         if ($includeStructuredContent) {
diff --git a/src/Mcp/State/ToolProvider.php b/src/Mcp/State/ToolProvider.php
index dff2e8874eb..ecfe503f188 100644
--- a/src/Mcp/State/ToolProvider.php
+++ b/src/Mcp/State/ToolProvider.php
@@ -28,7 +28,7 @@ public function __construct(private readonly ObjectMapperInterface $objectMapper
     {
     }
 
-    public function provide(Operation $operation, array $uriVariables = [], array $context = []): object|array|null
+    public function provide(Operation $operation, array $uriVariables = [], array $context = []): ?object
     {
         if (!isset($context['mcp_request'])) {
             return null;
diff --git a/src/Metadata/ApiProperty.php b/src/Metadata/ApiProperty.php
index 28c6d09870d..40082766f01 100644
--- a/src/Metadata/ApiProperty.php
+++ b/src/Metadata/ApiProperty.php
@@ -376,10 +376,7 @@ public function getDeprecationReason(): ?string
         return $this->deprecationReason;
     }
 
-    /**
-     * @param string $deprecationReason
-     */
-    public function withDeprecationReason($deprecationReason): static
+    public function withDeprecationReason(?string $deprecationReason): static
     {
         $self = clone $this;
         $self->deprecationReason = $deprecationReason;
@@ -392,10 +389,7 @@ public function isFetchable(): ?bool
         return $this->fetchable;
     }
 
-    /**
-     * @param bool $fetchable
-     */
-    public function withFetchable($fetchable): static
+    public function withFetchable(?bool $fetchable): static
     {
         $self = clone $this;
         $self->fetchable = $fetchable;
@@ -408,10 +402,7 @@ public function getFetchEager(): ?bool
         return $this->fetchEager;
     }
 
-    /**
-     * @param bool $fetchEager
-     */
-    public function withFetchEager($fetchEager): static
+    public function withFetchEager(?bool $fetchEager): static
     {
         $self = clone $this;
         $self->fetchEager = $fetchEager;
@@ -424,10 +415,7 @@ public function getJsonldContext(): ?array
         return $this->jsonldContext;
     }
 
-    /**
-     * @param array $jsonldContext
-     */
-    public function withJsonldContext($jsonldContext): static
+    public function withJsonldContext(?array $jsonldContext): static
     {
         $self = clone $this;
         $self->jsonldContext = $jsonldContext;
@@ -440,10 +428,7 @@ public function getOpenapiContext(): ?array
         return $this->openapiContext;
     }
 
-    /**
-     * @param array $openapiContext
-     */
-    public function withOpenapiContext($openapiContext): static
+    public function withOpenapiContext(?array $openapiContext): static
     {
         $self = clone $this;
         $self->openapiContext = $openapiContext;
@@ -456,10 +441,7 @@ public function getJsonSchemaContext(): ?array
         return $this->jsonSchemaContext;
     }
 
-    /**
-     * @param array $jsonSchemaContext
-     */
-    public function withJsonSchemaContext($jsonSchemaContext): static
+    public function withJsonSchemaContext(?array $jsonSchemaContext): static
     {
         $self = clone $this;
         $self->jsonSchemaContext = $jsonSchemaContext;
@@ -472,10 +454,7 @@ public function getPush(): ?bool
         return $this->push;
     }
 
-    /**
-     * @param bool $push
-     */
-    public function withPush($push): static
+    public function withPush(?bool $push): static
     {
         $self = clone $this;
         $self->push = $push;
diff --git a/src/Metadata/ApiResource.php b/src/Metadata/ApiResource.php
index eabfdda8fc0..e1cc959b8d5 100644
--- a/src/Metadata/ApiResource.php
+++ b/src/Metadata/ApiResource.php
@@ -1099,10 +1099,7 @@ public function withTypes(array|string $types): static
         return $self;
     }
 
-    /**
-     * @return array|mixed|string|null
-     */
-    public function getFormats()
+    public function getFormats(): string|array|null
     {
         return $this->formats;
     }
@@ -1115,18 +1112,12 @@ public function withFormats(mixed $formats): static
         return $self;
     }
 
-    /**
-     * @return array|mixed|string|null
-     */
-    public function getInputFormats()
+    public function getInputFormats(): string|array|null
     {
         return $this->inputFormats;
     }
 
-    /**
-     * @param mixed|null $inputFormats
-     */
-    public function withInputFormats($inputFormats): static
+    public function withInputFormats(string|array|null $inputFormats): static
     {
         $self = clone $this;
         $self->inputFormats = $inputFormats;
@@ -1134,18 +1125,12 @@ public function withInputFormats($inputFormats): static
         return $self;
     }
 
-    /**
-     * @return array|mixed|string|null
-     */
-    public function getOutputFormats()
+    public function getOutputFormats(): string|array|null
     {
         return $this->outputFormats;
     }
 
-    /**
-     * @param mixed|null $outputFormats
-     */
-    public function withOutputFormats($outputFormats): static
+    public function withOutputFormats(string|array|null $outputFormats): static
     {
         $self = clone $this;
         $self->outputFormats = $outputFormats;
@@ -1268,10 +1253,7 @@ public function getStatus(): ?int
         return $this->status;
     }
 
-    /**
-     * @param int $status
-     */
-    public function withStatus($status): static
+    public function withStatus(?int $status): static
     {
         $self = clone $this;
         $self->status = $status;
diff --git a/src/Metadata/Delete.php b/src/Metadata/Delete.php
index 5f459c0e35e..5ae0e2f091d 100644
--- a/src/Metadata/Delete.php
+++ b/src/Metadata/Delete.php
@@ -23,7 +23,7 @@ final class Delete extends HttpOperation implements DeleteOperationInterface
     public function __construct(
         ?string $uriTemplate = null,
         ?array $types = null,
-        $formats = null,
+        array|string|null $formats = null,
         $inputFormats = null,
         $outputFormats = null,
         $uriVariables = null,
@@ -35,7 +35,7 @@ public function __construct(
         ?bool $stateless = null,
         ?string $sunset = null,
         ?string $acceptPatch = null,
-        $status = null,
+        string|int|null $status = null,
         ?string $host = null,
         ?array $schemes = null,
         ?string $condition = null,
@@ -76,8 +76,8 @@ public function __construct(
         ?string $deprecationReason = null,
         ?array $filters = null,
         ?array $validationContext = null,
-        $input = null,
-        $output = null,
+        ?string $input = null,
+        string|bool|null $output = null,
         $mercure = null,
         $messenger = null,
         ?int $urlGenerationStrategy = null,
@@ -90,8 +90,8 @@ public function __construct(
         ?bool $forceEager = null,
         ?int $priority = null,
         ?string $name = null,
-        $provider = null,
-        $processor = null,
+        array|string|callable|int|null $provider = null,
+        array|string|callable|int|null $processor = null,
         ?OptionsInterface $stateOptions = null,
         array|Parameters|null $parameters = null,
         mixed $rules = null,
diff --git a/src/Metadata/Error.php b/src/Metadata/Error.php
index abeb8ed7a58..1baf4024d5b 100644
--- a/src/Metadata/Error.php
+++ b/src/Metadata/Error.php
@@ -23,7 +23,7 @@ final class Error extends HttpOperation
     public function __construct(
         ?string $uriTemplate = null,
         ?array $types = null,
-        $formats = null,
+        array|string|null $formats = null,
         $inputFormats = null,
         $outputFormats = null,
         $uriVariables = null,
@@ -35,7 +35,7 @@ public function __construct(
         ?bool $stateless = null,
         ?string $sunset = null,
         ?string $acceptPatch = null,
-        $status = null,
+        string|int|null $status = null,
         ?string $host = null,
         ?array $schemes = null,
         ?string $condition = null,
@@ -76,8 +76,8 @@ public function __construct(
         ?string $deprecationReason = null,
         ?array $filters = null,
         ?array $validationContext = null,
-        $input = null,
-        $output = null,
+        ?string $input = null,
+        string|bool|null $output = null,
         $mercure = null,
         $messenger = null,
         ?int $urlGenerationStrategy = null,
@@ -90,8 +90,8 @@ public function __construct(
         ?bool $forceEager = null,
         ?int $priority = null,
         ?string $name = null,
-        $provider = null,
-        $processor = null,
+        array|string|callable|int|null $provider = null,
+        array|string|callable|int|null $processor = null,
         ?OptionsInterface $stateOptions = null,
         ?bool $hideHydraOperation = null,
         ?bool $jsonStream = null,
diff --git a/src/Metadata/ErrorResource.php b/src/Metadata/ErrorResource.php
index 8f1586ac038..268362af32d 100644
--- a/src/Metadata/ErrorResource.php
+++ b/src/Metadata/ErrorResource.php
@@ -36,7 +36,7 @@ public function __construct(
         ?bool $stateless = null,
         ?string $sunset = null,
         ?string $acceptPatch = null,
-        ?int $status = null,
+        string|int|null $status = null,
         ?string $host = null,
         ?array $schemes = null,
         ?string $condition = null,
@@ -52,7 +52,7 @@ public function __construct(
         OpenApiOperation|bool|null $openapi = null,
         ?array $validationContext = null,
         ?array $filters = null,
-        $mercure = null,
+        ?array $mercure = null,
         $messenger = null,
         $input = null,
         $output = null,
@@ -80,8 +80,8 @@ public function __construct(
         ?array $exceptionToStatus = null,
         ?bool $queryParameterValidationEnabled = null,
         ?array $graphQlOperations = null,
-        $provider = null,
-        $processor = null,
+        array|string|callable|int|null $provider = null,
+        array|string|callable|int|null $processor = null,
         ?OptionsInterface $stateOptions = null,
         ?bool $jsonStream = null,
         array $extraProperties = [],
diff --git a/src/Metadata/Extractor/AbstractPropertyExtractor.php b/src/Metadata/Extractor/AbstractPropertyExtractor.php
index 2f011bf64d9..cfe68edde80 100644
--- a/src/Metadata/Extractor/AbstractPropertyExtractor.php
+++ b/src/Metadata/Extractor/AbstractPropertyExtractor.php
@@ -87,7 +87,7 @@ protected function resolve(mixed $value): mixed
             return $value;
         }
 
-        $escapedValue = preg_replace_callback('/%%|%([^%\s]++)%/', function ($match) use ($value) {
+        $escapedValue = preg_replace_callback('/%%|%([^%\s]++)%/', function (array $match) use ($value) {
             $parameter = $match[1] ?? null;
 
             // skip %%
diff --git a/src/Metadata/Extractor/AbstractResourceExtractor.php b/src/Metadata/Extractor/AbstractResourceExtractor.php
index d9bd3eac43d..bea227304db 100644
--- a/src/Metadata/Extractor/AbstractResourceExtractor.php
+++ b/src/Metadata/Extractor/AbstractResourceExtractor.php
@@ -87,7 +87,7 @@ protected function resolve(mixed $value): mixed
             return $value;
         }
 
-        $escapedValue = preg_replace_callback('/%%|%([^%\s]++)%/', function ($match) use ($value) {
+        $escapedValue = preg_replace_callback('/%%|%([^%\s]++)%/', function (array $match) use ($value) {
             $parameter = $match[1] ?? null;
 
             // skip %%
diff --git a/src/Metadata/Extractor/XmlResourceExtractor.php b/src/Metadata/Extractor/XmlResourceExtractor.php
index b726ac03e68..703a9e8c85d 100644
--- a/src/Metadata/Extractor/XmlResourceExtractor.php
+++ b/src/Metadata/Extractor/XmlResourceExtractor.php
@@ -228,11 +228,11 @@ private function buildOpenapi(\SimpleXMLElement $resource): bool|OpenApiOperatio
                     description: $this->phpize($parameter, 'description', 'string'),
                     required: $this->phpize($parameter, 'required', 'bool'),
                     deprecated: $this->phpize($parameter, 'deprecated', 'bool', false),
-                    allowEmptyValue: $this->phpize($parameter, 'allowEmptyValue', 'bool', null),
+                    allowEmptyValue: $this->phpize($parameter, 'allowEmptyValue', 'bool'),
                     schema: isset($parameter->schema->values) ? $this->buildValues($parameter->schema->values) : [],
                     style: $this->phpize($parameter, 'style', 'string'),
                     explode: $this->phpize($parameter, 'explode', 'bool', false),
-                    allowReserved: $this->phpize($parameter, 'allowReserved', 'bool', null),
+                    allowReserved: $this->phpize($parameter, 'allowReserved', 'bool'),
                     example: $this->phpize($parameter, 'example', 'string'),
                     examples: isset($parameter->examples->values) ? new \ArrayObject($this->buildValues($parameter->examples->values)) : null,
                     content: isset($parameter->content->values) ? new \ArrayObject($this->buildValues($parameter->content->values)) : null,
diff --git a/src/Metadata/Extractor/YamlResourceExtractor.php b/src/Metadata/Extractor/YamlResourceExtractor.php
index e7dd40093c8..f9d0044381c 100644
--- a/src/Metadata/Extractor/YamlResourceExtractor.php
+++ b/src/Metadata/Extractor/YamlResourceExtractor.php
@@ -339,7 +339,7 @@ private function buildOperations(array $resource, array $root): ?array
                 }
             }
 
-            if (\in_array((string) $class, [GetCollection::class, Post::class], true)) {
+            if (\in_array($class, [GetCollection::class, Post::class], true)) {
                 $datum['itemUriTemplate'] = $this->phpize($operation, 'itemUriTemplate', 'string');
             } elseif (isset($operation['itemUriTemplate'])) {
                 throw new InvalidArgumentException(\sprintf('"itemUriTemplate" option is not allowed on a %s operation.', $class));
@@ -356,7 +356,7 @@ private function buildOperations(array $resource, array $root): ?array
                 'hideHydraOperation' => $this->phpize($resource, 'hideHydraOperation', 'bool'),
                 'priority' => $this->phpize($operation, 'priority', 'integer'),
                 'name' => $this->phpize($operation, 'name', 'string'),
-                'class' => (string) $class,
+                'class' => $class,
             ]);
         }
 
@@ -401,7 +401,7 @@ private function buildGraphQlOperations(array $resource, array $root): ?array
                 'resolver' => $this->phpize($operation, 'resolver', 'string'),
                 'args' => $operation['args'] ?? null,
                 'extraArgs' => $operation['extraArgs'] ?? null,
-                'class' => (string) $class,
+                'class' => $class,
                 'read' => $this->phpize($operation, 'read', 'bool'),
                 'deserialize' => $this->phpize($operation, 'deserialize', 'bool'),
                 'validate' => $this->phpize($operation, 'validate', 'bool'),
diff --git a/src/Metadata/Get.php b/src/Metadata/Get.php
index 0139b825611..3bd641f61f6 100644
--- a/src/Metadata/Get.php
+++ b/src/Metadata/Get.php
@@ -23,7 +23,7 @@ final class Get extends HttpOperation
     public function __construct(
         ?string $uriTemplate = null,
         ?array $types = null,
-        $formats = null,
+        array|string|null $formats = null,
         $inputFormats = null,
         $outputFormats = null,
         $uriVariables = null,
@@ -35,7 +35,7 @@ public function __construct(
         ?bool $stateless = null,
         ?string $sunset = null,
         ?string $acceptPatch = null,
-        $status = null,
+        string|int|null $status = null,
         ?string $host = null,
         ?array $schemes = null,
         ?string $condition = null,
@@ -76,8 +76,8 @@ public function __construct(
         ?string $deprecationReason = null,
         ?array $filters = null,
         ?array $validationContext = null,
-        $input = null,
-        $output = null,
+        ?string $input = null,
+        string|bool|null $output = null,
         $mercure = null,
         $messenger = null,
         ?int $urlGenerationStrategy = null,
@@ -90,8 +90,8 @@ public function __construct(
         ?bool $forceEager = null,
         ?int $priority = null,
         ?string $name = null,
-        $provider = null,
-        $processor = null,
+        array|string|callable|int|null $provider = null,
+        array|string|callable|int|null $processor = null,
         ?OptionsInterface $stateOptions = null,
         array|Parameters|null $parameters = null,
         mixed $rules = null,
diff --git a/src/Metadata/GetCollection.php b/src/Metadata/GetCollection.php
index 74886491a23..5171d1a3b14 100644
--- a/src/Metadata/GetCollection.php
+++ b/src/Metadata/GetCollection.php
@@ -23,7 +23,7 @@ final class GetCollection extends HttpOperation implements CollectionOperationIn
     public function __construct(
         ?string $uriTemplate = null,
         ?array $types = null,
-        $formats = null,
+        array|string|null $formats = null,
         $inputFormats = null,
         $outputFormats = null,
         $uriVariables = null,
@@ -35,7 +35,7 @@ public function __construct(
         ?bool $stateless = null,
         ?string $sunset = null,
         ?string $acceptPatch = null,
-        $status = null,
+        string|int|null $status = null,
         ?string $host = null,
         ?array $schemes = null,
         ?string $condition = null,
@@ -76,8 +76,8 @@ public function __construct(
         ?string $deprecationReason = null,
         ?array $filters = null,
         ?array $validationContext = null,
-        $input = null,
-        $output = null,
+        ?string $input = null,
+        string|bool|null $output = null,
         $mercure = null,
         $messenger = null,
         ?int $urlGenerationStrategy = null,
@@ -90,8 +90,8 @@ public function __construct(
         ?bool $forceEager = null,
         ?int $priority = null,
         ?string $name = null,
-        $provider = null,
-        $processor = null,
+        array|string|callable|int|null $provider = null,
+        array|string|callable|int|null $processor = null,
         ?OptionsInterface $stateOptions = null,
         array|Parameters|null $parameters = null,
         array|string|null $rules = null,
diff --git a/src/Metadata/GraphQl/Operation.php b/src/Metadata/GraphQl/Operation.php
index 2dbbaa4fddf..62e95353016 100644
--- a/src/Metadata/GraphQl/Operation.php
+++ b/src/Metadata/GraphQl/Operation.php
@@ -21,18 +21,12 @@
 class Operation extends AbstractOperation
 {
     /**
-     * @param Link[]|null $links
-     * @param array{
-     *     class?: string|null,
-     *     name?: string,
-     * }|string|false|null $input {@see https://api-platform.com/docs/core/dto/#specifying-an-input-or-an-output-data-representation}
-     * @param array{
-     *     class?: string|null,
-     *     name?: string,
-     * }|string|false|null $output {@see https://api-platform.com/docs/core/dto/#specifying-an-input-or-an-output-data-representation}
+     * @param Link[]|null            $links
+     * @param string|null            $input     {@see https://api-platform.com/docs/core/dto/#specifying-an-input-or-an-output-data-representation}
+     * @param string|null            $output    {@see https://api-platform.com/docs/core/dto/#specifying-an-input-or-an-output-data-representation}
      * @param string|array|bool|null $mercure   {@see https://api-platform.com/docs/core/mercure}
      * @param string|bool|null       $messenger {@see https://api-platform.com/docs/core/messenger/#dispatching-a-resource-through-the-message-bus}
-     * @param string|callable|null   $provider  {@see https://api-platform.com/docs/core/state-providers/#state-providers}
+     * @param string|null            $provider  {@see https://api-platform.com/docs/core/state-providers/#state-providers}
      * @param string|callable|null   $processor {@see https://api-platform.com/docs/core/state-processors/#state-processors}
      */
     public function __construct(
@@ -70,7 +64,7 @@ public function __construct(
         ?string $deprecationReason = null,
         ?array $filters = null,
         ?array $validationContext = null,
-        $input = null,
+        ?string $input = null,
         $output = null,
         $mercure = null,
         $messenger = null,
@@ -84,7 +78,7 @@ public function __construct(
         ?bool $forceEager = null,
         ?int $priority = null,
         ?string $name = null,
-        $provider = null,
+        ?string $provider = null,
         $processor = null,
         ?OptionsInterface $stateOptions = null,
         array|Parameters|null $parameters = null,
diff --git a/src/Metadata/GraphQl/Query.php b/src/Metadata/GraphQl/Query.php
index b877afa5e57..e63fb76c315 100644
--- a/src/Metadata/GraphQl/Query.php
+++ b/src/Metadata/GraphQl/Query.php
@@ -53,8 +53,8 @@ public function __construct(
         ?string $deprecationReason = null,
         ?array $filters = null,
         ?array $validationContext = null,
-        $input = null,
-        $output = null,
+        ?string $input = null,
+        ?string $output = null,
         $mercure = null,
         $messenger = null,
         ?int $urlGenerationStrategy = null,
@@ -67,8 +67,8 @@ public function __construct(
         ?bool $forceEager = null,
         ?int $priority = null,
         ?string $name = null,
-        $provider = null,
-        $processor = null,
+        ?string $provider = null,
+        ?string $processor = null,
         ?OptionsInterface $stateOptions = null,
         array|Parameters|null $parameters = null,
         ?bool $queryParameterValidationEnabled = null,
diff --git a/src/Metadata/GraphQl/QueryCollection.php b/src/Metadata/GraphQl/QueryCollection.php
index 2054b519cfe..78e45d0213f 100644
--- a/src/Metadata/GraphQl/QueryCollection.php
+++ b/src/Metadata/GraphQl/QueryCollection.php
@@ -54,8 +54,8 @@ public function __construct(
         ?string $deprecationReason = null,
         ?array $filters = null,
         ?array $validationContext = null,
-        $input = null,
-        $output = null,
+        ?string $input = null,
+        ?string $output = null,
         $mercure = null,
         $messenger = null,
         ?int $urlGenerationStrategy = null,
@@ -68,8 +68,8 @@ public function __construct(
         ?bool $forceEager = null,
         ?int $priority = null,
         ?string $name = null,
-        $provider = null,
-        $processor = null,
+        ?string $provider = null,
+        ?string $processor = null,
         protected ?OptionsInterface $stateOptions = null,
         array|Parameters|null $parameters = null,
         ?bool $queryParameterValidationEnabled = null,
diff --git a/src/Metadata/GraphQl/Subscription.php b/src/Metadata/GraphQl/Subscription.php
index dbd54aff922..9964b50c5bd 100644
--- a/src/Metadata/GraphQl/Subscription.php
+++ b/src/Metadata/GraphQl/Subscription.php
@@ -53,8 +53,8 @@ public function __construct(
         ?string $deprecationReason = null,
         ?array $filters = null,
         ?array $validationContext = null,
-        $input = null,
-        $output = null,
+        ?string $input = null,
+        ?string $output = null,
         $mercure = null,
         $messenger = null,
         ?int $urlGenerationStrategy = null,
@@ -67,8 +67,8 @@ public function __construct(
         ?bool $forceEager = null,
         ?int $priority = null,
         ?string $name = null,
-        $provider = null,
-        $processor = null,
+        ?string $provider = null,
+        ?string $processor = null,
         ?OptionsInterface $stateOptions = null,
         array|Parameters|null $parameters = null,
         ?bool $queryParameterValidationEnabled = null,
diff --git a/src/Metadata/HttpOperation.php b/src/Metadata/HttpOperation.php
index 3f5e0daaeb4..0088d1298df 100644
--- a/src/Metadata/HttpOperation.php
+++ b/src/Metadata/HttpOperation.php
@@ -30,11 +30,11 @@ class HttpOperation extends Operation
     public const METHOD_OPTIONS = 'OPTIONS';
 
     /** @var array<int|string, string|string[]>|null */
-    protected $formats;
+    protected ?array $formats;
     /** @var array<int|string, string|string[]>|null */
-    protected $inputFormats;
+    protected ?array $inputFormats;
     /** @var array<int|string, string|string[]>|null */
-    protected $outputFormats;
+    protected ?array $outputFormats;
 
     /**
      * @param string[]|null                                  $types         the RDF types of this property
@@ -330,7 +330,7 @@ public function withTypes($types): static
     /**
      * @return array<int|string, string|string[]>|null
      */
-    public function getFormats()
+    public function getFormats(): ?array
     {
         return $this->formats;
     }
@@ -349,7 +349,7 @@ public function withFormats($formats = null): static
     /**
      * @return array<int|string, string|string[]>|null
      */
-    public function getInputFormats()
+    public function getInputFormats(): ?array
     {
         return $this->inputFormats;
     }
@@ -368,7 +368,7 @@ public function withInputFormats($inputFormats = null): static
     /**
      * @return array<int|string, string|string[]>|null
      */
-    public function getOutputFormats()
+    public function getOutputFormats(): ?array
     {
         return $this->outputFormats;
     }
@@ -473,10 +473,7 @@ public function getStateless(): ?bool
         return $this->stateless;
     }
 
-    /**
-     * @param bool $stateless
-     */
-    public function withStateless($stateless): static
+    public function withStateless(?bool $stateless): static
     {
         $self = clone $this;
         $self->stateless = $stateless;
diff --git a/src/Metadata/Metadata.php b/src/Metadata/Metadata.php
index 009612c9900..48c9602b75c 100644
--- a/src/Metadata/Metadata.php
+++ b/src/Metadata/Metadata.php
@@ -167,10 +167,7 @@ public function getDeprecationReason(): ?string
         return $this->deprecationReason;
     }
 
-    /**
-     * @param string $deprecationReason
-     */
-    public function withDeprecationReason($deprecationReason): static
+    public function withDeprecationReason(?string $deprecationReason): static
     {
         $self = clone $this;
         $self->deprecationReason = $deprecationReason;
diff --git a/src/Metadata/NotExposed.php b/src/Metadata/NotExposed.php
index c7afb4941f0..f998982c3d6 100644
--- a/src/Metadata/NotExposed.php
+++ b/src/Metadata/NotExposed.php
@@ -34,7 +34,7 @@ public function __construct(
         string $method = 'GET',
         ?string $uriTemplate = null,
         ?array $types = null,
-        $formats = null,
+        array|string|null $formats = null,
         $inputFormats = null,
         $outputFormats = null,
         $uriVariables = null,
@@ -46,7 +46,7 @@ public function __construct(
         ?bool $stateless = null,
         ?string $sunset = null,
         ?string $acceptPatch = null,
-        $status = 404,
+        string|int|null $status = null,
         ?string $host = null,
         ?array $schemes = null,
         ?string $condition = null,
@@ -89,8 +89,8 @@ public function __construct(
         ?string $deprecationReason = null,
         ?array $filters = null,
         ?array $validationContext = null,
-        $input = null,
-        $output = false,
+        array|string|false|null $input = null,
+        array|string|false|null $output = false,
         $mercure = null,
         $messenger = null,
         ?int $urlGenerationStrategy = null,
@@ -103,8 +103,8 @@ public function __construct(
         ?bool $forceEager = null,
         ?int $priority = null,
         ?string $name = null,
-        $provider = null,
-        $processor = null,
+        array|string|callable|int|null $provider = null,
+        array|string|callable|int|null $processor = null,
         array $extraProperties = [],
         ?OptionsInterface $stateOptions = null,
         ?bool $map = null,
diff --git a/src/Metadata/Operations.php b/src/Metadata/Operations.php
index a90681a7775..ccde1942f8a 100644
--- a/src/Metadata/Operations.php
+++ b/src/Metadata/Operations.php
@@ -89,7 +89,7 @@ public function remove(string $key): self
 
     public function has(string $key): bool
     {
-        foreach ($this->operations as $i => [$operationName, $operation]) {
+        foreach ($this->operations as [$operationName, $operation]) {
             if ($operationName === $key) {
                 return true;
             }
@@ -105,7 +105,7 @@ public function count(): int
 
     public function sort(): self
     {
-        usort($this->operations, static fn ($a, $b): int => $a[1]->getPriority() - $b[1]->getPriority());
+        usort($this->operations, static fn (array $a, array $b): int => $a[1]->getPriority() - $b[1]->getPriority());
 
         return $this;
     }
diff --git a/src/Metadata/Patch.php b/src/Metadata/Patch.php
index b81814350d7..d9da9b4e7ae 100644
--- a/src/Metadata/Patch.php
+++ b/src/Metadata/Patch.php
@@ -23,7 +23,7 @@ final class Patch extends HttpOperation
     public function __construct(
         ?string $uriTemplate = null,
         ?array $types = null,
-        $formats = null,
+        array|string|null $formats = null,
         $inputFormats = null,
         $outputFormats = null,
         $uriVariables = null,
@@ -35,7 +35,7 @@ public function __construct(
         ?bool $stateless = null,
         ?string $sunset = null,
         ?string $acceptPatch = null,
-        $status = null,
+        string|int|null $status = null,
         ?string $host = null,
         ?array $schemes = null,
         ?string $condition = null,
@@ -76,8 +76,8 @@ public function __construct(
         ?string $deprecationReason = null,
         ?array $filters = null,
         ?array $validationContext = null,
-        $input = null,
-        $output = null,
+        ?string $input = null,
+        string|bool|null $output = null,
         $mercure = null,
         $messenger = null,
         ?int $urlGenerationStrategy = null,
@@ -90,8 +90,8 @@ public function __construct(
         ?bool $forceEager = null,
         ?int $priority = null,
         ?string $name = null,
-        $provider = null,
-        $processor = null,
+        array|string|callable|int|null $provider = null,
+        array|string|callable|int|null $processor = null,
         ?OptionsInterface $stateOptions = null,
         array|Parameters|null $parameters = null,
         mixed $rules = null,
diff --git a/src/Metadata/Post.php b/src/Metadata/Post.php
index 208366234ef..a5b611664f7 100644
--- a/src/Metadata/Post.php
+++ b/src/Metadata/Post.php
@@ -23,7 +23,7 @@ final class Post extends HttpOperation
     public function __construct(
         ?string $uriTemplate = null,
         ?array $types = null,
-        $formats = null,
+        array|string|null $formats = null,
         $inputFormats = null,
         $outputFormats = null,
         $uriVariables = null,
@@ -35,7 +35,7 @@ public function __construct(
         ?bool $stateless = null,
         ?string $sunset = null,
         ?string $acceptPatch = null,
-        $status = null,
+        string|int|null $status = null,
         ?string $host = null,
         ?array $schemes = null,
         ?string $condition = null,
@@ -76,8 +76,8 @@ public function __construct(
         ?string $deprecationReason = null,
         ?array $filters = null,
         ?array $validationContext = null,
-        $input = null,
-        $output = null,
+        ?string $input = null,
+        string|bool|null $output = null,
         $mercure = null,
         $messenger = null,
         ?int $urlGenerationStrategy = null,
@@ -90,8 +90,8 @@ public function __construct(
         ?bool $forceEager = null,
         ?int $priority = null,
         ?string $name = null,
-        $provider = null,
-        $processor = null,
+        array|string|callable|int|null $provider = null,
+        array|string|callable|int|null $processor = null,
         ?OptionsInterface $stateOptions = null,
         array|Parameters|null $parameters = null,
         mixed $rules = null,
diff --git a/src/Metadata/Property/Factory/AttributePropertyMetadataFactory.php b/src/Metadata/Property/Factory/AttributePropertyMetadataFactory.php
index 5e53c08e049..9da27f1a171 100644
--- a/src/Metadata/Property/Factory/AttributePropertyMetadataFactory.php
+++ b/src/Metadata/Property/Factory/AttributePropertyMetadataFactory.php
@@ -125,7 +125,7 @@ private function createMetadata(ApiProperty $attribute, ?ApiProperty $propertyMe
         }
 
         foreach (get_class_methods(ApiProperty::class) as $method) {
-            if (preg_match('/^(?:get|is)(.*)/', (string) $method, $matches)) {
+            if (preg_match('/^(?:get|is)(.*)/', $method, $matches)) {
                 // BC layer, to remove in 5.0
                 if ('getBuiltinTypes' === $method) {
                     if (method_exists(PropertyInfoExtractor::class, 'getType')) {
diff --git a/src/Metadata/Property/Factory/ExtractorPropertyMetadataFactory.php b/src/Metadata/Property/Factory/ExtractorPropertyMetadataFactory.php
index e8e13f2256a..da8d48d63b4 100644
--- a/src/Metadata/Property/Factory/ExtractorPropertyMetadataFactory.php
+++ b/src/Metadata/Property/Factory/ExtractorPropertyMetadataFactory.php
@@ -120,7 +120,7 @@ private function handleNotFound(?ApiProperty $parentPropertyMetadata, string $re
     private function update(ApiProperty $propertyMetadata, array $metadata): ApiProperty
     {
         foreach (get_class_methods(ApiProperty::class) as $method) {
-            if (preg_match('/^(?:get|is)(.*)/', (string) $method, $matches) && null !== ($val = $metadata[lcfirst($matches[1])] ?? null) && method_exists($propertyMetadata, "with{$matches[1]}")) {
+            if (preg_match('/^(?:get|is)(.*)/', $method, $matches) && null !== ($val = $metadata[lcfirst($matches[1])] ?? null) && method_exists($propertyMetadata, "with{$matches[1]}")) {
                 $propertyMetadata = $propertyMetadata->{"with{$matches[1]}"}($val);
             }
         }
diff --git a/src/Metadata/Put.php b/src/Metadata/Put.php
index 5fbfbfd49f6..3d69dfb277c 100644
--- a/src/Metadata/Put.php
+++ b/src/Metadata/Put.php
@@ -23,7 +23,7 @@ final class Put extends HttpOperation
     public function __construct(
         ?string $uriTemplate = null,
         ?array $types = null,
-        $formats = null,
+        array|string|null $formats = null,
         $inputFormats = null,
         $outputFormats = null,
         $uriVariables = null,
@@ -35,7 +35,7 @@ public function __construct(
         ?bool $stateless = null,
         ?string $sunset = null,
         ?string $acceptPatch = null,
-        $status = null,
+        string|int|null $status = null,
         ?string $host = null,
         ?array $schemes = null,
         ?string $condition = null,
@@ -76,8 +76,8 @@ public function __construct(
         ?string $deprecationReason = null,
         ?array $filters = null,
         ?array $validationContext = null,
-        $input = null,
-        $output = null,
+        ?string $input = null,
+        string|bool|null $output = null,
         $mercure = null,
         $messenger = null,
         ?int $urlGenerationStrategy = null,
@@ -90,8 +90,8 @@ public function __construct(
         ?bool $forceEager = null,
         ?int $priority = null,
         ?string $name = null,
-        $provider = null,
-        $processor = null,
+        array|string|callable|int|null $provider = null,
+        array|string|callable|int|null $processor = null,
         ?OptionsInterface $stateOptions = null,
         array|Parameters|null $parameters = null,
         mixed $rules = null,
diff --git a/src/Metadata/Resource/Factory/LinkFactory.php b/src/Metadata/Resource/Factory/LinkFactory.php
index fb87e584b0a..cf0dcf15878 100644
--- a/src/Metadata/Resource/Factory/LinkFactory.php
+++ b/src/Metadata/Resource/Factory/LinkFactory.php
@@ -30,7 +30,7 @@ final class LinkFactory implements LinkFactoryInterface, PropertyLinkFactoryInte
     /**
      * @var array<class-string, string[]>
      */
-    private $localIdentifiersPerResourceClassCache = [];
+    private array $localIdentifiersPerResourceClassCache = [];
 
     public function __construct(private readonly PropertyNameCollectionFactoryInterface $propertyNameCollectionFactory, private readonly PropertyMetadataFactoryInterface $propertyMetadataFactory, private readonly ResourceClassResolverInterface $resourceClassResolver)
     {
diff --git a/src/Metadata/Resource/Factory/ParameterResourceMetadataCollectionFactory.php b/src/Metadata/Resource/Factory/ParameterResourceMetadataCollectionFactory.php
index 66795de7b37..c5ba9f4780f 100644
--- a/src/Metadata/Resource/Factory/ParameterResourceMetadataCollectionFactory.php
+++ b/src/Metadata/Resource/Factory/ParameterResourceMetadataCollectionFactory.php
@@ -184,8 +184,6 @@ private function getProperties(string $resourceClass, ?Parameter $parameter = nu
                             $properties[$property] = $propertyMetadata;
                         }
                     }
-
-                    continue;
                 }
 
                 // If traversal wasn't fully successful but the property was explicitly listed
diff --git a/src/Metadata/Tests/Extractor/Adapter/XmlPropertyAdapter.php b/src/Metadata/Tests/Extractor/Adapter/XmlPropertyAdapter.php
index 27cea064f1b..8809520250e 100644
--- a/src/Metadata/Tests/Extractor/Adapter/XmlPropertyAdapter.php
+++ b/src/Metadata/Tests/Extractor/Adapter/XmlPropertyAdapter.php
@@ -98,7 +98,7 @@ public function __invoke(string $resourceClass, string $propertyName, array $par
         return [$filename];
     }
 
-    private function buildBuiltinTypes(\SimpleXMLElement $resource): void
+    private function buildBuiltinTypes(): void
     {
         // deprecated, to remove in 5.0
     }
diff --git a/src/Metadata/Tests/Extractor/Adapter/XmlResourceAdapter.php b/src/Metadata/Tests/Extractor/Adapter/XmlResourceAdapter.php
index b15d99a4508..381c25f2a69 100644
--- a/src/Metadata/Tests/Extractor/Adapter/XmlResourceAdapter.php
+++ b/src/Metadata/Tests/Extractor/Adapter/XmlResourceAdapter.php
@@ -535,7 +535,7 @@ private function buildLinks(\SimpleXMLElement $resource, ?array $values = null):
         $childNode->addAttribute('href', $values[0]['href']);
     }
 
-    private function buildRules(\SimpleXMLElement $resource, ?array $values = null): void
+    private function buildRules(): void
     {
     }
 
diff --git a/src/Metadata/Tests/Extractor/PropertyMetadataCompatibilityTest.php b/src/Metadata/Tests/Extractor/PropertyMetadataCompatibilityTest.php
index 9eb3d02f3bb..5c9c85091ad 100644
--- a/src/Metadata/Tests/Extractor/PropertyMetadataCompatibilityTest.php
+++ b/src/Metadata/Tests/Extractor/PropertyMetadataCompatibilityTest.php
@@ -125,7 +125,7 @@ private function buildApiProperty(): ApiProperty
         return $property;
     }
 
-    private function withNativeType(string $value): Type
+    private function withNativeType(string $value): Type\BuiltinType
     {
         return Type::builtin($value);
     }
diff --git a/src/Metadata/Tests/Extractor/ResourceMetadataCompatibilityTest.php b/src/Metadata/Tests/Extractor/ResourceMetadataCompatibilityTest.php
index 943790e0ba4..cec604a327f 100644
--- a/src/Metadata/Tests/Extractor/ResourceMetadataCompatibilityTest.php
+++ b/src/Metadata/Tests/Extractor/ResourceMetadataCompatibilityTest.php
@@ -716,7 +716,7 @@ private function withGraphQlOperations(array $values, ?array $fixtures): array
         return $operations;
     }
 
-    private function withStateOptions(array $values)
+    private function withStateOptions(array $values): null
     {
         if (!$values) {
             return null;
@@ -726,7 +726,7 @@ private function withStateOptions(array $values)
             throw new \InvalidArgumentException('Only one options can be configured at a time.');
         }
 
-        $configuration = reset($values);
+        reset($values);
         switch (key($values)) {
             case 'elasticsearchOptions':
                 return null;
diff --git a/src/Metadata/Tests/Fixtures/ApiResource/Dummy.php b/src/Metadata/Tests/Fixtures/ApiResource/Dummy.php
index c2eaa83d8c1..4471958a461 100644
--- a/src/Metadata/Tests/Fixtures/ApiResource/Dummy.php
+++ b/src/Metadata/Tests/Fixtures/ApiResource/Dummy.php
@@ -162,7 +162,7 @@ public function getDummyDate()
         return $this->dummyDate;
     }
 
-    public function setDummyPrice($dummyPrice)
+    public function setDummyPrice($dummyPrice): static
     {
         $this->dummyPrice = $dummyPrice;
 
diff --git a/src/Metadata/Tests/Fixtures/ApiResource/DummyCar.php b/src/Metadata/Tests/Fixtures/ApiResource/DummyCar.php
index a132dc1adda..9bfb863ebee 100644
--- a/src/Metadata/Tests/Fixtures/ApiResource/DummyCar.php
+++ b/src/Metadata/Tests/Fixtures/ApiResource/DummyCar.php
@@ -75,7 +75,7 @@ public function getSecondColors(): ?iterable
         return $this->secondColors;
     }
 
-    public function setSecondColors($secondColors): void
+    public function setSecondColors(?iterable $secondColors): void
     {
         $this->secondColors = $secondColors;
     }
@@ -85,7 +85,7 @@ public function getThirdColors(): ?iterable
         return $this->thirdColors;
     }
 
-    public function setThirdColors($thirdColors): void
+    public function setThirdColors(?iterable $thirdColors): void
     {
         $this->thirdColors = $thirdColors;
     }
@@ -95,7 +95,7 @@ public function getUuid(): ?iterable
         return $this->uuid;
     }
 
-    public function setUuid($uuid): void
+    public function setUuid(?iterable $uuid): void
     {
         $this->uuid = $uuid;
     }
diff --git a/src/Metadata/Tests/Fixtures/ApiResource/DummyObjectWithOnlyPrivateProperty.php b/src/Metadata/Tests/Fixtures/ApiResource/DummyObjectWithOnlyPrivateProperty.php
index 0dba99761c1..0d5626579ec 100644
--- a/src/Metadata/Tests/Fixtures/ApiResource/DummyObjectWithOnlyPrivateProperty.php
+++ b/src/Metadata/Tests/Fixtures/ApiResource/DummyObjectWithOnlyPrivateProperty.php
@@ -15,5 +15,5 @@
 
 class DummyObjectWithOnlyPrivateProperty
 {
-    private $foo; // @phpstan-ignore-line
+    // @phpstan-ignore-line
 }
diff --git a/src/Metadata/Tests/Fixtures/ApiResource/InstanceOfApiResource.php b/src/Metadata/Tests/Fixtures/ApiResource/InstanceOfApiResource.php
index a44d6567ce2..9e530f680c2 100644
--- a/src/Metadata/Tests/Fixtures/ApiResource/InstanceOfApiResource.php
+++ b/src/Metadata/Tests/Fixtures/ApiResource/InstanceOfApiResource.php
@@ -20,10 +20,6 @@ class InstanceOfApiResource
 {
     private $id;
 
-    public function __construct()
-    {
-    }
-
     public function getId()
     {
         return $this->id;
diff --git a/src/Metadata/Tests/Property/Factory/SerializerPropertyMetadataFactoryTest.php b/src/Metadata/Tests/Property/Factory/SerializerPropertyMetadataFactoryTest.php
index 0921b7a7568..b8ef2f811c2 100644
--- a/src/Metadata/Tests/Property/Factory/SerializerPropertyMetadataFactoryTest.php
+++ b/src/Metadata/Tests/Property/Factory/SerializerPropertyMetadataFactoryTest.php
@@ -42,7 +42,7 @@ public static function groupsProvider(): array
     }
 
     #[DataProvider('groupsProvider')]
-    public function testCreateWithGroups($readGroups, $writeGroups): void
+    public function testCreateWithGroups(string|array $readGroups, string|array $writeGroups): void
     {
         $serializerClassMetadataFactoryProphecy = $this->prophesize(SerializerClassMetadataFactoryInterface::class);
         $dummySerializerClassMetadata = new SerializerClassMetadata(Dummy::class);
@@ -120,7 +120,7 @@ public static function attributesProvider(): array
     }
 
     #[DataProvider('attributesProvider')]
-    public function testCreateWithAttributes($readAttributes, $writeAttributes): void
+    public function testCreateWithAttributes(array $readAttributes, array $writeAttributes): void
     {
         $serializerClassMetadataFactoryProphecy = $this->prophesize(SerializerClassMetadataFactoryInterface::class);
         $dummySerializerClassMetadata = new SerializerClassMetadata(Dummy::class);
diff --git a/src/Metadata/Tests/Resource/Factory/LinkFactoryTest.php b/src/Metadata/Tests/Resource/Factory/LinkFactoryTest.php
index 9c4c352139b..bd448a239e1 100644
--- a/src/Metadata/Tests/Resource/Factory/LinkFactoryTest.php
+++ b/src/Metadata/Tests/Resource/Factory/LinkFactoryTest.php
@@ -144,8 +144,6 @@ public function testCompleteLink(): void
     public function testCreateLinkFromProperty(): void
     {
         $propertyNameCollectionFactoryProphecy = $this->prophesize(PropertyNameCollectionFactoryInterface::class);
-
-        $property = 'test';
         $propertyMetadataFactoryProphecy = $this->prophesize(PropertyMetadataFactoryInterface::class);
         $propertyMetadataFactoryProphecy->create(Dummy::class, 'test')->willReturn(new ApiProperty(nativeType: Type::object(RelatedDummy::class)));
 
diff --git a/src/Metadata/Tests/Resource/Factory/ParameterResourceMetadataCollectionFactoryTest.php b/src/Metadata/Tests/Resource/Factory/ParameterResourceMetadataCollectionFactoryTest.php
index a26c9321393..1cdeef4a093 100644
--- a/src/Metadata/Tests/Resource/Factory/ParameterResourceMetadataCollectionFactoryTest.php
+++ b/src/Metadata/Tests/Resource/Factory/ParameterResourceMetadataCollectionFactoryTest.php
@@ -40,7 +40,7 @@ public function testParameterFactory(): void
         $nameCollection->method('create')->willReturn(new PropertyNameCollection(['id', 'hydra', 'everywhere']));
         $propertyMetadata = $this->createStub(PropertyMetadataFactoryInterface::class);
         $propertyMetadata->method('create')->willReturnCallback(
-            static fn (string $class, string $property) => match ($property) {
+            static fn (string $class, string $property): ApiProperty => match ($property) {
                 'id' => new ApiProperty(identifier: true),
                 default => new ApiProperty(readable: true),
             }
@@ -185,7 +185,7 @@ public function testParameterFactoryNoFilter(): void
         $nameCollection->method('create')->willReturn(new PropertyNameCollection(['id', 'hydra', 'everywhere']));
         $propertyMetadata = $this->createStub(PropertyMetadataFactoryInterface::class);
         $propertyMetadata->method('create')->willReturnCallback(
-            static fn (string $class, string $property) => match ($property) {
+            static fn (string $class, string $property): ApiProperty => match ($property) {
                 'id' => new ApiProperty(identifier: true),
                 default => new ApiProperty(readable: true),
             }
diff --git a/src/Metadata/Tests/Util/ClassInfoTraitTest.php b/src/Metadata/Tests/Util/ClassInfoTraitTest.php
index 541f1e578ff..63d913c6498 100644
--- a/src/Metadata/Tests/Util/ClassInfoTraitTest.php
+++ b/src/Metadata/Tests/Util/ClassInfoTraitTest.php
@@ -19,7 +19,7 @@
 
 class ClassInfoTraitTest extends TestCase
 {
-    private function getClassInfoTraitImplementation()
+    private function getClassInfoTraitImplementation(): object
     {
         return new class {
             use ClassInfoTrait {
diff --git a/src/Metadata/Util/AttributesExtractor.php b/src/Metadata/Util/AttributesExtractor.php
index 99b5cee8b13..2cbd2a9878e 100644
--- a/src/Metadata/Util/AttributesExtractor.php
+++ b/src/Metadata/Util/AttributesExtractor.php
@@ -55,12 +55,10 @@ public static function extractAttributes(array $attributes): array
             return [];
         }
 
-        $result += [
+        return $result + [
             'receive' => (bool) ($attributes['_api_receive'] ?? true),
             'respond' => (bool) ($attributes['_api_respond'] ?? true),
             'persist' => (bool) ($attributes['_api_persist'] ?? true),
         ];
-
-        return $result;
     }
 }
diff --git a/src/Metadata/WithResourceTrait.php b/src/Metadata/WithResourceTrait.php
index 3acceb92e28..13c7f795237 100644
--- a/src/Metadata/WithResourceTrait.php
+++ b/src/Metadata/WithResourceTrait.php
@@ -24,7 +24,7 @@ protected function copyFrom(Metadata $resource, array $ignoredOptions = []): sta
         foreach (get_class_methods($resource) as $method) {
             if (
                 method_exists($self, $method)
-                && preg_match('/^(?:get|is|can)(.*)/', (string) $method, $matches)
+                && preg_match('/^(?:get|is|can)(.*)/', $method, $matches)
                 && (!$ignoredOptions || !\in_array(lcfirst($matches[1]), $ignoredOptions, true))
                 && null === $self->{$method}()
                 && null !== $val = $resource->{$method}()
diff --git a/src/OpenApi/Command/OpenApiCommand.php b/src/OpenApi/Command/OpenApiCommand.php
index 30802a482e6..686812a0bc8 100644
--- a/src/OpenApi/Command/OpenApiCommand.php
+++ b/src/OpenApi/Command/OpenApiCommand.php
@@ -46,7 +46,7 @@ protected function configure(): void
             ->addOption('output', 'o', InputOption::VALUE_REQUIRED, 'Write output to file')
             ->addOption('spec-version', null, InputOption::VALUE_REQUIRED, 'Open API version to use (2 or 3) (2 is deprecated)', '3')
             ->addOption('api-gateway', null, InputOption::VALUE_NONE, 'Enable the Amazon API Gateway compatibility mode')
-            ->addOption('filter-tags', null, InputOption::VALUE_REQUIRED | InputOption::VALUE_IS_ARRAY, 'Filter only matching x-apiplatform-tag operations', null);
+            ->addOption('filter-tags', null, InputOption::VALUE_REQUIRED | InputOption::VALUE_IS_ARRAY, 'Filter only matching x-apiplatform-tag operations');
     }
 
     /**
diff --git a/src/OpenApi/Factory/OpenApiFactory.php b/src/OpenApi/Factory/OpenApiFactory.php
index 0e15d24aed4..92fab0dc5a6 100644
--- a/src/OpenApi/Factory/OpenApiFactory.php
+++ b/src/OpenApi/Factory/OpenApiFactory.php
@@ -265,7 +265,6 @@ private function collectPaths(ApiResource $resource, ResourceMetadataCollection
             $operationOutputSchemas = [];
 
             foreach ($responseMimeTypes as $operationFormat) {
-                $operationOutputSchema = null;
                 $operationOutputSchema = $this->jsonSchemaFactory->buildSchema($resourceClass, $operationFormat, Schema::TYPE_OUTPUT, $operation, $schema, null, $forceSchemaCollection);
                 $this->appendSchemaDefinitions($schemas, $operationOutputSchema->getDefinitions());
 
@@ -459,7 +458,6 @@ private function collectPaths(ApiResource $resource, ResourceMetadataCollection
                 if (null === $content) {
                     $operationInputSchemas = [];
                     foreach ($requestMimeTypes as $operationFormat) {
-                        $operationInputSchema = null;
                         $operationInputSchema = $this->jsonSchemaFactory->buildSchema($resourceClass, $operationFormat, Schema::TYPE_INPUT, $operation, $schema, null, $forceSchemaCollection);
                         $this->appendSchemaDefinitions($schemas, $operationInputSchema->getDefinitions());
 
@@ -890,7 +888,7 @@ private function getOauthSecurityScheme(): SecurityScheme
                 throw new \LogicException('OAuth flow must be one of: implicit, password, clientCredentials, authorizationCode');
         }
 
-        return new SecurityScheme($this->openApiOptions->getOAuthType(), $description, null, null, null, null, new OAuthFlows($implicit, $password, $clientCredentials, $authorizationCode), null);
+        return new SecurityScheme($this->openApiOptions->getOAuthType(), $description, null, null, null, null, new OAuthFlows($implicit, $password, $clientCredentials, $authorizationCode));
     }
 
     private function getSecuritySchemes(): array
@@ -1006,7 +1004,6 @@ private function addOperationErrors(
 
             $operationErrorSchemas = [];
             foreach ($responseMimeTypes as $operationFormat) {
-                $operationErrorSchema = null;
                 $operationErrorSchema = $this->jsonSchemaFactory->buildSchema($errorResource->getClass(), $operationFormat, Schema::TYPE_OUTPUT, null, $schema);
                 $this->appendSchemaDefinitions($schemas, $operationErrorSchema->getDefinitions());
                 $operationErrorSchemas[$operationFormat] = $operationErrorSchema;
diff --git a/src/OpenApi/Serializer/OpenApiNormalizer.php b/src/OpenApi/Serializer/OpenApiNormalizer.php
index e55a6a22c5a..0912dcf5fe9 100644
--- a/src/OpenApi/Serializer/OpenApiNormalizer.php
+++ b/src/OpenApi/Serializer/OpenApiNormalizer.php
@@ -91,7 +91,7 @@ private function getPathsCallBack(): \Closure
                 $paths = $decoratedObject->getPaths();
 
                 // sort paths by tags, then by path for each tag
-                uksort($paths, static function ($keyA, $keyB) use ($paths) {
+                uksort($paths, static function ($keyA, $keyB) use ($paths): int {
                     $a = $paths[$keyA];
                     $b = $paths[$keyB];
 
diff --git a/src/OpenApi/Tests/Factory/OpenApiFactoryTest.php b/src/OpenApi/Tests/Factory/OpenApiFactoryTest.php
index d8773f8c7a6..0a6cedcb0cb 100644
--- a/src/OpenApi/Tests/Factory/OpenApiFactoryTest.php
+++ b/src/OpenApi/Tests/Factory/OpenApiFactoryTest.php
@@ -673,7 +673,7 @@ public function testInvoke(): void
             'header' => new SecurityScheme('apiKey', 'Value for the Authorization header parameter.', 'Authorization', 'header'),
             'query' => new SecurityScheme('apiKey', 'Value for the key query parameter.', 'key', 'query'),
             'bearer' => new SecurityScheme('http', 'Value for the http bearer parameter.', null, null, 'bearer', 'JWT'),
-            'basic' => new SecurityScheme('http', 'Value for the http basic parameter.', null, null, 'basic', null),
+            'basic' => new SecurityScheme('http', 'Value for the http basic parameter.', null, null, 'basic'),
         ]));
 
         $this->assertEquals([
@@ -1285,8 +1285,7 @@ public function testInvoke(): void
             'Creates a Dummy resource.',
             'Creates a Dummy resource.',
             null,
-            [],
-            null
+            []
         ), $emptyRequestBodyPath->getPost());
 
         $emptyResponsePath = $paths->getPath('/dummyitem/nooutput');
@@ -1436,6 +1435,6 @@ public function testGetExtensionPropertiesWithFalseValue(): void
             ['json' => ['application/problem+json']]
         );
 
-        $openApi = $factory->__invoke();
+        $factory->__invoke();
     }
 }
diff --git a/src/OpenApi/Tests/Fixtures/Dummy.php b/src/OpenApi/Tests/Fixtures/Dummy.php
index f6d73d7556d..d949b94bb60 100644
--- a/src/OpenApi/Tests/Fixtures/Dummy.php
+++ b/src/OpenApi/Tests/Fixtures/Dummy.php
@@ -171,7 +171,7 @@ public function getDummyDate()
         return $this->dummyDate;
     }
 
-    public function setDummyPrice($dummyPrice)
+    public function setDummyPrice($dummyPrice): static
     {
         $this->dummyPrice = $dummyPrice;
 
@@ -223,10 +223,7 @@ public function isDummyBoolean(): ?bool
         return $this->dummyBoolean;
     }
 
-    /**
-     * @param bool $dummyBoolean
-     */
-    public function setDummyBoolean($dummyBoolean): void
+    public function setDummyBoolean(?bool $dummyBoolean): void
     {
         $this->dummyBoolean = $dummyBoolean;
     }
diff --git a/src/OpenApi/Tests/Serializer/OpenApiNormalizerTest.php b/src/OpenApi/Tests/Serializer/OpenApiNormalizerTest.php
index be36a20f288..d4e02b0d2e9 100644
--- a/src/OpenApi/Tests/Serializer/OpenApiNormalizerTest.php
+++ b/src/OpenApi/Tests/Serializer/OpenApiNormalizerTest.php
@@ -208,7 +208,7 @@ public function testNormalize(): void
         $propertyNameCollectionFactory = $propertyNameCollectionFactoryProphecy->reveal();
         $propertyMetadataFactory = $propertyMetadataFactoryProphecy->reveal();
 
-        $definitionNameFactory = new DefinitionNameFactory(null);
+        $definitionNameFactory = new DefinitionNameFactory();
 
         $schemaFactory = new SchemaFactory(
             resourceMetadataFactory: $resourceMetadataFactory,
diff --git a/src/Serializer/AbstractItemNormalizer.php b/src/Serializer/AbstractItemNormalizer.php
index b4bd8e67147..243230464d5 100644
--- a/src/Serializer/AbstractItemNormalizer.php
+++ b/src/Serializer/AbstractItemNormalizer.php
@@ -79,7 +79,7 @@ abstract class AbstractItemNormalizer extends AbstractObjectNormalizer
     public function __construct(protected PropertyNameCollectionFactoryInterface $propertyNameCollectionFactory, protected PropertyMetadataFactoryInterface $propertyMetadataFactory, protected IriConverterInterface $iriConverter, protected ResourceClassResolverInterface $resourceClassResolver, ?PropertyAccessorInterface $propertyAccessor = null, ?NameConverterInterface $nameConverter = null, ?ClassMetadataFactoryInterface $classMetadataFactory = null, array $defaultContext = [], ?ResourceMetadataCollectionFactoryInterface $resourceMetadataCollectionFactory = null, ?ResourceAccessCheckerInterface $resourceAccessChecker = null, protected ?TagCollectorInterface $tagCollector = null, protected ?OperationResourceClassResolverInterface $operationResourceResolver = null)
     {
         if (!isset($defaultContext['circular_reference_handler'])) {
-            $defaultContext['circular_reference_handler'] = fn ($object): ?string => $this->iriConverter->getIriFromResource($object);
+            $defaultContext['circular_reference_handler'] = fn (object|string $object): ?string => $this->iriConverter->getIriFromResource($object);
         }
 
         parent::__construct($classMetadataFactory, $nameConverter, null, null, \Closure::fromCallable($this->getObjectClass(...)), $defaultContext);
@@ -1118,7 +1118,7 @@ private function createAndValidateAttributeValue(string $attribute, mixed $value
 
         $className = null;
         $typeIsResourceClass = function (Type $type) use (&$className): bool {
-            return $type instanceof ObjectType ? $this->resourceClassResolver->isResourceClass($className = $type->getClassName()) : false;
+            return $type instanceof ObjectType && $this->resourceClassResolver->isResourceClass($className = $type->getClassName());
         };
 
         $isMultipleTypes = \count($types) > 1;
@@ -1334,9 +1334,9 @@ private function createAndValidateAttributeValue(string $attribute, mixed $value
         }
 
         if ($denormalizationException) {
-            if ($type instanceof Type && $type->isSatisfiedBy(static fn ($type) => $type instanceof BuiltinType) && !$type->isSatisfiedBy($typeIsResourceClass)) {
+            if ($type instanceof Type && $type->isSatisfiedBy(static fn ($type): bool => $type instanceof BuiltinType) && !$type->isSatisfiedBy($typeIsResourceClass)) {
                 // If the exception came from object denormalization, preserve its message as it's more specific
-                $message = $type->isSatisfiedBy(static fn ($type) => $type instanceof ObjectType)
+                $message = $type->isSatisfiedBy(static fn ($type): bool => $type instanceof ObjectType)
                     ? $denormalizationException->getMessage()
                     : \sprintf('The type of the "%s" attribute must be "%s", "%s" given.', $attribute, $type, \gettype($value));
 
diff --git a/src/Serializer/ConstraintViolationListNormalizer.php b/src/Serializer/ConstraintViolationListNormalizer.php
index 6ee3aa5b1f2..b6337c323e9 100644
--- a/src/Serializer/ConstraintViolationListNormalizer.php
+++ b/src/Serializer/ConstraintViolationListNormalizer.php
@@ -13,8 +13,6 @@
 
 namespace ApiPlatform\Serializer;
 
-use Symfony\Component\Serializer\NameConverter\NameConverterInterface;
-
 /**
  * Converts {@see \Symfony\Component\Validator\ConstraintViolationListInterface} the API Problem spec (RFC 7807).
  *
@@ -26,11 +24,6 @@ final class ConstraintViolationListNormalizer extends AbstractConstraintViolatio
 {
     public const FORMAT = 'json';
 
-    public function __construct(?array $serializePayloadFields = null, ?NameConverterInterface $nameConverter = null)
-    {
-        parent::__construct($serializePayloadFields, $nameConverter);
-    }
-
     /**
      * {@inheritdoc}
      */
diff --git a/src/Serializer/Filter/PropertyFilter.php b/src/Serializer/Filter/PropertyFilter.php
index 01f36dfc0b1..194df5c0511 100644
--- a/src/Serializer/Filter/PropertyFilter.php
+++ b/src/Serializer/Filter/PropertyFilter.php
@@ -135,7 +135,7 @@ public function apply(Request $request, bool $normalization, array $attributes,
         // TODO: ideally we should return the new context, not mutate the context given in our arguments which is the serializer context
         // this would allow to use `Parameter::filterContext` properly, for now let's retrieve it like this:
         /** @var MetadataParameter|null */
-        $parameter = $request->attributes->get('_api_parameter', null);
+        $parameter = $request->attributes->get('_api_parameter');
         $parameterName = $this->parameterName;
         $whitelist = $this->whitelist;
         $overrideDefaultProperties = $this->overrideDefaultProperties;
diff --git a/src/Serializer/Tests/AbstractItemNormalizerTest.php b/src/Serializer/Tests/AbstractItemNormalizerTest.php
index d0c15eac0af..28060cd26df 100644
--- a/src/Serializer/Tests/AbstractItemNormalizerTest.php
+++ b/src/Serializer/Tests/AbstractItemNormalizerTest.php
@@ -81,7 +81,7 @@ public function testSupportNormalizationAndSupportDenormalization(): void
         $resourceClassResolverProphecy->isResourceClass(Dummy::class)->willReturn(true);
         $resourceClassResolverProphecy->isResourceClass(\stdClass::class)->willReturn(false);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
 
         $this->assertTrue($normalizer->supportsNormalization($dummy));
         $this->assertFalse($normalizer->supportsNormalization($std));
@@ -151,7 +151,7 @@ public function testNormalize(): void
         $serializerProphecy->normalize('/dummies/2', null, Argument::type('array'))->willReturn('/dummies/2');
         $serializerProphecy->normalize(['/dummies/2'], null, Argument::type('array'))->willReturn(['/dummies/2']);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $expected = [
@@ -293,7 +293,7 @@ public function testNormalizePropertyAsIriWithUriTemplate(): void
         $resourceClassResolverProphecy->getResourceClass([$propertyCollectionIriOnlyRelation], PropertyCollectionIriOnlyRelation::class)->willReturn(PropertyCollectionIriOnlyRelation::class);
 
         $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), new PropertyAccessor(), // $propertyAccessorProphecy->reveal(),
-            null, null, [], $resourceMetadataCollectionFactoryProphecy->reveal(), null, ) extends AbstractItemNormalizer {};
+            null, null, [], $resourceMetadataCollectionFactoryProphecy->reveal(), ) extends AbstractItemNormalizer {};
 
         $serializerProphecy = $this->prophesize(SerializerInterface::class);
         $serializerProphecy->willImplement(NormalizerInterface::class);
@@ -350,7 +350,7 @@ public function testDenormalizeWithSecuredPropertyAndThrowOnAccessDeniedExtraPro
         $resourceAccessChecker->isGranted(
             SecuredDummy::class,
             'is_granted(\'ROLE_ADMIN\')',
-            Argument::that(static function (array $context) {
+            Argument::that(static function (array $context): bool {
                 return \array_key_exists('property', $context)
                     && \array_key_exists('object', $context)
                     && \array_key_exists('previous_object', $context)
@@ -403,7 +403,7 @@ public function testDenormalizeWithSecuredPropertyAndThrowOnAccessDeniedExtraPro
         $resourceAccessChecker->isGranted(
             SecuredDummy::class,
             'is_granted(\'ROLE_ADMIN\')',
-            Argument::that(static function (array $context) {
+            Argument::that(static function (array $context): bool {
                 return \array_key_exists('property', $context)
                     && \array_key_exists('object', $context)
                     && \array_key_exists('previous_object', $context)
@@ -460,7 +460,7 @@ public function testDenormalizeWithSecuredPropertyAndThrowOnAccessDeniedExtraPro
         $resourceAccessChecker->isGranted(
             SecuredDummy::class,
             'is_granted(\'ROLE_ADMIN\')',
-            Argument::that(static function (array $context) {
+            Argument::that(static function (array $context): bool {
                 return \array_key_exists('property', $context)
                     && \array_key_exists('object', $context)
                     && \array_key_exists('previous_object', $context)
@@ -817,7 +817,7 @@ public function testNormalizeReadableLinks(): void
         $serializerProphecy->normalize(['foo' => 'hello'], null, Argument::type('array'))->willReturn(['foo' => 'hello']);
         $serializerProphecy->normalize([['foo' => 'hello']], null, Argument::type('array'))->willReturn([['foo' => 'hello']]);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $expected = [
@@ -879,7 +879,7 @@ public function testNormalizePolymorphicRelations(): void
         $serializerProphecy->normalize($concreteDummy, null, $concreteDummyChildContext)->willReturn(['foo' => 'concrete']);
         $serializerProphecy->normalize([['foo' => 'concrete']], null, Argument::type('array'))->willReturn([['foo' => 'concrete']]);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $expected = [
@@ -940,7 +940,7 @@ public function testDenormalize(): void
         $serializerProphecy = $this->prophesize(SerializerInterface::class);
         $serializerProphecy->willImplement(NormalizerInterface::class);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $actual = $normalizer->denormalize($data, Dummy::class);
@@ -1069,7 +1069,7 @@ public function testDenormalizeWritableLinks(): void
         $serializerProphecy->denormalize(['bar' => 'qux'], RelatedDummy::class, null, Argument::type('array'))->willReturn($relatedDummy3);
         $serializerProphecy->denormalize(['bar' => 'quux'], RelatedDummy::class, null, Argument::type('array'))->willReturn($relatedDummy4);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $actual = $normalizer->denormalize($data, Dummy::class);
@@ -1118,7 +1118,7 @@ public function testDenormalizeRelationNotFoundReturnsNull(): void
         $serializerProphecy = $this->prophesize(SerializerInterface::class);
         $serializerProphecy->willImplement(DenormalizerInterface::class);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $actual = $normalizer->denormalize($data, Dummy::class, null, [
@@ -1168,7 +1168,7 @@ public function testBadRelationType(): void
         $serializerProphecy = $this->prophesize(SerializerInterface::class);
         $serializerProphecy->willImplement(DenormalizerInterface::class);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $normalizer->denormalize($data, Dummy::class);
@@ -1209,7 +1209,7 @@ public function testBadRelationTypeWithExceptionToValidationErrors(): void
         $serializerProphecy = $this->prophesize(SerializerInterface::class);
         $serializerProphecy->willImplement(DenormalizerInterface::class);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         // 'not_normalizable_value_exceptions' is set by Serializer thanks to DenormalizerInterface::COLLECT_DENORMALIZATION_ERRORS
@@ -1253,7 +1253,7 @@ public function testDeserializationPathForNotDenormalizableRelations(): void
         $serializerProphecy = $this->prophesize(SerializerInterface::class);
         $serializerProphecy->willImplement(DenormalizerInterface::class);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $errors = [];
@@ -1286,7 +1286,7 @@ public function testDeserializationPathForNotDenormalizableResource(): void
         $serializerProphecy = $this->prophesize(SerializerInterface::class);
         $serializerProphecy->willImplement(DenormalizerInterface::class);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $normalizer->denormalize('wrong IRI', Dummy::class, null, ['not_normalizable_value_exceptions' => []]);
@@ -1313,7 +1313,7 @@ public function testDeserializationPathForNotFoundResource(): void
         $serializerProphecy = $this->prophesize(SerializerInterface::class);
         $serializerProphecy->willImplement(DenormalizerInterface::class);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $normalizer->denormalize('/some-iri', Dummy::class, null, ['not_normalizable_value_exceptions' => []]);
@@ -1359,7 +1359,7 @@ public function testInnerDocumentNotAllowed(): void
         $serializerProphecy = $this->prophesize(SerializerInterface::class);
         $serializerProphecy->willImplement(DenormalizerInterface::class);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $normalizer->denormalize($data, Dummy::class);
@@ -1397,7 +1397,7 @@ public function testBadType(): void
         $serializerProphecy = $this->prophesize(SerializerInterface::class);
         $serializerProphecy->willImplement(DenormalizerInterface::class);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $normalizer->denormalize($data, Dummy::class);
@@ -1432,7 +1432,7 @@ public function testTypeChecksCanBeDisabled(): void
         $serializerProphecy = $this->prophesize(SerializerInterface::class);
         $serializerProphecy->willImplement(DenormalizerInterface::class);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $actual = $normalizer->denormalize($data, Dummy::class, null, ['disable_type_enforcement' => true]);
@@ -1471,7 +1471,7 @@ public function testJsonAllowIntAsFloat(): void
         $serializerProphecy = $this->prophesize(SerializerInterface::class);
         $serializerProphecy->willImplement(DenormalizerInterface::class);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $actual = $normalizer->denormalize($data, Dummy::class, 'jsonfoo');
@@ -1543,7 +1543,7 @@ public function testDenormalizeBadKeyType(): void
         $serializerProphecy = $this->prophesize(SerializerInterface::class);
         $serializerProphecy->willImplement(DenormalizerInterface::class);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $normalizer->denormalize($data, Dummy::class);
@@ -1578,7 +1578,7 @@ public function testNullable(): void
         $serializerProphecy = $this->prophesize(SerializerInterface::class);
         $serializerProphecy->willImplement(DenormalizerInterface::class);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $actual = $normalizer->denormalize($data, Dummy::class);
@@ -1649,7 +1649,7 @@ public function testDenormalizeBasicTypePropertiesFromXml(): void
         $propertyAccessorProphecy->setValue(Argument::type(ObjectWithBasicProperties::class), 'float1', Argument::approximate(123.456, 0))->shouldBeCalled();
         $propertyAccessorProphecy->setValue(Argument::type(ObjectWithBasicProperties::class), 'float2', Argument::approximate(-1.2344e56, 1))->shouldBeCalled();
         $propertyAccessorProphecy->setValue(Argument::type(ObjectWithBasicProperties::class), 'float3', Argument::approximate(45E-6, 1))->shouldBeCalled();
-        $propertyAccessorProphecy->setValue(Argument::type(ObjectWithBasicProperties::class), 'floatNaN', Argument::that(static fn (float $arg) => is_nan($arg)))->shouldBeCalled();
+        $propertyAccessorProphecy->setValue(Argument::type(ObjectWithBasicProperties::class), 'floatNaN', Argument::that(static fn (float $arg): bool => is_nan($arg)))->shouldBeCalled();
         $propertyAccessorProphecy->setValue(Argument::type(ObjectWithBasicProperties::class), 'floatInf', \INF)->shouldBeCalled();
         $propertyAccessorProphecy->setValue(Argument::type(ObjectWithBasicProperties::class), 'floatNegInf', -\INF)->shouldBeCalled();
 
@@ -1660,7 +1660,7 @@ public function testDenormalizeBasicTypePropertiesFromXml(): void
         $serializerProphecy = $this->prophesize(SerializerInterface::class);
         $serializerProphecy->willImplement(NormalizerInterface::class);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $objectWithBasicProperties = $normalizer->denormalize(
@@ -1729,7 +1729,7 @@ public function testDenormalizeCollectionDecodedFromXmlWithOneChild(): void
         $serializerProphecy->willImplement(DenormalizerInterface::class);
         $serializerProphecy->denormalize(['name' => 'foo'], RelatedDummy::class, 'xml', Argument::type('array'))->willReturn($relatedDummy);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $normalizer->denormalize($data, Dummy::class, 'xml');
@@ -1766,7 +1766,7 @@ public function testDenormalizePopulatingNonCloneableObject(): void
         $serializerProphecy = $this->prophesize(SerializerInterface::class);
         $serializerProphecy->willImplement(NormalizerInterface::class);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
         $normalizer->setSerializer($serializerProphecy->reveal());
 
@@ -1805,7 +1805,7 @@ public function testDenormalizeObjectWithNullDisabledTypeEnforcement(): void
         $serializerProphecy = $this->prophesize(SerializerInterface::class);
         $serializerProphecy->willImplement(NormalizerInterface::class);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $context = [AbstractItemNormalizer::DISABLE_TYPE_ENFORCEMENT => true];
@@ -1874,7 +1874,7 @@ public function testCacheKey(): void
         $serializerProphecy->normalize('/dummies/2', null, Argument::type('array'))->willReturn('/dummies/2');
         $serializerProphecy->normalize(['/dummies/2'], null, Argument::type('array'))->willReturn(['/dummies/2']);
 
-        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, [], null, null) extends AbstractItemNormalizer {};
+        $normalizer = new class($propertyNameCollectionFactoryProphecy->reveal(), $propertyMetadataFactoryProphecy->reveal(), $iriConverterProphecy->reveal(), $resourceClassResolverProphecy->reveal(), $propertyAccessorProphecy->reveal(), null, null, []) extends AbstractItemNormalizer {};
         $normalizer->setSerializer($serializerProphecy->reveal());
 
         $expected = [
diff --git a/src/Serializer/Tests/Fixtures/ApiResource/Dummy.php b/src/Serializer/Tests/Fixtures/ApiResource/Dummy.php
index 549421ce47a..76d7238cf7f 100644
--- a/src/Serializer/Tests/Fixtures/ApiResource/Dummy.php
+++ b/src/Serializer/Tests/Fixtures/ApiResource/Dummy.php
@@ -179,7 +179,7 @@ public function getDummyDate()
         return $this->dummyDate;
     }
 
-    public function setDummyPrice($dummyPrice)
+    public function setDummyPrice($dummyPrice): static
     {
         $this->dummyPrice = $dummyPrice;
 
@@ -231,10 +231,7 @@ public function isDummyBoolean(): ?bool
         return $this->dummyBoolean;
     }
 
-    /**
-     * @param bool $dummyBoolean
-     */
-    public function setDummyBoolean($dummyBoolean): void
+    public function setDummyBoolean(?bool $dummyBoolean): void
     {
         $this->dummyBoolean = $dummyBoolean;
     }
diff --git a/src/Serializer/Tests/Fixtures/ApiResource/DummyTableInheritanceRelated.php b/src/Serializer/Tests/Fixtures/ApiResource/DummyTableInheritanceRelated.php
index 9378cda6230..44e7e050369 100644
--- a/src/Serializer/Tests/Fixtures/ApiResource/DummyTableInheritanceRelated.php
+++ b/src/Serializer/Tests/Fixtures/ApiResource/DummyTableInheritanceRelated.php
@@ -47,14 +47,14 @@ public function getChildren(): Collection|iterable
         return $this->children;
     }
 
-    public function setChildren(Collection|iterable $children)
+    public function setChildren(Collection|iterable $children): static
     {
         $this->children = $children;
 
         return $this;
     }
 
-    public function addChild($child)
+    public function addChild($child): static
     {
         $this->children->add($child);
         $child->setParent($this);
@@ -62,7 +62,7 @@ public function addChild($child)
         return $this;
     }
 
-    public function removeChild($child)
+    public function removeChild(string|int $child): static
     {
         $this->children->remove($child);
 
diff --git a/src/Serializer/Tests/Fixtures/ApiResource/NonCloneableDummy.php b/src/Serializer/Tests/Fixtures/ApiResource/NonCloneableDummy.php
index f0e6d86b2f2..ea07cd980d8 100644
--- a/src/Serializer/Tests/Fixtures/ApiResource/NonCloneableDummy.php
+++ b/src/Serializer/Tests/Fixtures/ApiResource/NonCloneableDummy.php
@@ -35,7 +35,7 @@ class NonCloneableDummy
      */
     #[ApiProperty(iris: ['http://schema.org/name'])]
     #[Assert\NotBlank]
-    private $name;
+    private string $name;
 
     public function getId()
     {
diff --git a/src/Serializer/Tests/Fixtures/ApiResource/RelatedDummy.php b/src/Serializer/Tests/Fixtures/ApiResource/RelatedDummy.php
index dfdd5e0c93f..28583136f78 100644
--- a/src/Serializer/Tests/Fixtures/ApiResource/RelatedDummy.php
+++ b/src/Serializer/Tests/Fixtures/ApiResource/RelatedDummy.php
@@ -70,10 +70,6 @@ class RelatedDummy implements \Stringable
     #[Groups(['friends'])]
     public ?bool $dummyBoolean = null;
 
-    public function __construct()
-    {
-    }
-
     public function getId()
     {
         return $this->id;
@@ -119,10 +115,7 @@ public function isDummyBoolean(): ?bool
         return $this->dummyBoolean;
     }
 
-    /**
-     * @param bool $dummyBoolean
-     */
-    public function setDummyBoolean($dummyBoolean): void
+    public function setDummyBoolean(?bool $dummyBoolean): void
     {
         $this->dummyBoolean = $dummyBoolean;
     }
diff --git a/src/Serializer/Tests/SerializerFilterContextBuilderTest.php b/src/Serializer/Tests/SerializerFilterContextBuilderTest.php
index 41b7da79a94..fb2948dd5fe 100644
--- a/src/Serializer/Tests/SerializerFilterContextBuilderTest.php
+++ b/src/Serializer/Tests/SerializerFilterContextBuilderTest.php
@@ -109,7 +109,7 @@ public function testCreateFromRequestWithoutFilters(): void
             'operation_name' => 'get',
         ];
 
-        $resourceMetadata = $this->getMetadataWithFilter(DummyGroup::class, null);
+        $resourceMetadata = $this->getMetadataWithFilter(DummyGroup::class);
 
         $decoratedProphecy = $this->prophesize(SerializerContextBuilderInterface::class);
         $decoratedProphecy->createFromRequest($request, false, $attributes)->willReturn([])->shouldBeCalled();
diff --git a/src/State/Pagination/Pagination.php b/src/State/Pagination/Pagination.php
index 28c034bef0f..90b61a96541 100644
--- a/src/State/Pagination/Pagination.php
+++ b/src/State/Pagination/Pagination.php
@@ -176,7 +176,7 @@ public function isEnabled(?Operation $operation = null, array $context = []): bo
     /**
      * Is the pagination enabled for GraphQL?
      */
-    public function isGraphQlEnabled(?Operation $operation = null, array $context = []): bool
+    public function isGraphQlEnabled(?Operation $operation = null): bool
     {
         return $this->getGraphQlEnabled($operation);
     }
diff --git a/src/State/Provider/DeserializeProvider.php b/src/State/Provider/DeserializeProvider.php
index 6390c86bcd0..d0a6ca0fc4f 100644
--- a/src/State/Provider/DeserializeProvider.php
+++ b/src/State/Provider/DeserializeProvider.php
@@ -117,7 +117,7 @@ public function provide(Operation $operation, array $uriVariables = [], array $c
                 if ($exception->canUseMessageForUser()) {
                     $parameters['hint'] = $exception->getMessage();
                 }
-                $violations->add(new ConstraintViolation($this->translator->trans($message, ['{{ type }}' => implode('|', $expectedTypes)], 'validators'), $message, $parameters, null, $exception->getPath(), null, null, (string) Type::INVALID_TYPE_ERROR));
+                $violations->add(new ConstraintViolation($this->translator->trans($message, ['{{ type }}' => implode('|', $expectedTypes)], 'validators'), $message, $parameters, null, $exception->getPath(), null, null, Type::INVALID_TYPE_ERROR));
             }
             if (0 !== \count($violations)) {
                 throw new ValidationException($violations);
diff --git a/src/State/Tests/CallableProcessorTest.php b/src/State/Tests/CallableProcessorTest.php
index 43d05685895..c1b8082c191 100644
--- a/src/State/Tests/CallableProcessorTest.php
+++ b/src/State/Tests/CallableProcessorTest.php
@@ -31,7 +31,7 @@ public function testNoProcessor(): void
 
     public function testCallable(): void
     {
-        $operation = new Get(name: 'hello', processor: static fn () => ['ok']);
+        $operation = new Get(name: 'hello', processor: static fn (): array => ['ok']);
         $this->assertEquals((new CallableProcessor())->process(new \stdClass(), $operation), ['ok']);
     }
 
diff --git a/src/State/Tests/CallableProviderTest.php b/src/State/Tests/CallableProviderTest.php
index 6b4d7de36f4..f13f0d75ed1 100644
--- a/src/State/Tests/CallableProviderTest.php
+++ b/src/State/Tests/CallableProviderTest.php
@@ -32,7 +32,7 @@ public function testNoProvider(): void
 
     public function testCallable(): void
     {
-        $operation = new Get(name: 'hello', provider: static fn () => ['ok']);
+        $operation = new Get(name: 'hello', provider: static fn (): array => ['ok']);
         $this->assertEquals((new CallableProvider())->provide($operation), ['ok']);
     }
 
diff --git a/src/State/Tests/ParameterProviderTest.php b/src/State/Tests/ParameterProviderTest.php
index 5f649da2827..cf18654f1ad 100644
--- a/src/State/Tests/ParameterProviderTest.php
+++ b/src/State/Tests/ParameterProviderTest.php
@@ -14,7 +14,6 @@
 namespace ApiPlatform\State\Tests;
 
 use ApiPlatform\Metadata\Get;
-use ApiPlatform\Metadata\Operation;
 use ApiPlatform\Metadata\Parameter;
 use ApiPlatform\Metadata\Parameters;
 use ApiPlatform\Metadata\QueryParameter;
@@ -34,7 +33,7 @@ public function get(string $id)
             {
                 if ('test' === $id) {
                     return new class implements ParameterProviderInterface {
-                        public function provide(Parameter $parameter, array $parameters = [], array $context = []): Operation
+                        public function provide(Parameter $parameter, array $parameters = [], array $context = []): Get
                         {
                             return new Get(name: 'ok');
                         }
diff --git a/src/State/Tests/Provider/DeserializeProviderTest.php b/src/State/Tests/Provider/DeserializeProviderTest.php
index b0f29c11413..199cddffa4e 100644
--- a/src/State/Tests/Provider/DeserializeProviderTest.php
+++ b/src/State/Tests/Provider/DeserializeProviderTest.php
@@ -188,7 +188,7 @@ public function testDeserializeSetsObjectToPopulateWhenContextIsTrue(): void
             'test',
             \stdClass::class,
             'format',
-            $this->callback(function (array $context) use ($objectToPopulate) {
+            $this->callback(function (array $context) use ($objectToPopulate): true {
                 $this->assertArrayHasKey(AbstractNormalizer::OBJECT_TO_POPULATE, $context);
                 $this->assertSame($objectToPopulate, $context[AbstractNormalizer::OBJECT_TO_POPULATE]);
 
@@ -219,7 +219,7 @@ public function testDeserializeDoesNotSetObjectToPopulateWhenContextIsFalse(): v
             'test',
             \stdClass::class,
             'format',
-            $this->callback(function (array $context) {
+            $this->callback(function (array $context): true {
                 $this->assertArrayNotHasKey(AbstractNormalizer::OBJECT_TO_POPULATE, $context);
 
                 return true;
diff --git a/src/State/Util/ParameterParserTrait.php b/src/State/Util/ParameterParserTrait.php
index bd8a26b950a..1dffe4522e6 100644
--- a/src/State/Util/ParameterParserTrait.php
+++ b/src/State/Util/ParameterParserTrait.php
@@ -94,7 +94,7 @@ private function extractParameterValues(Parameter $parameter, array $values): mi
             return $value;
         }
 
-        $isCollectionType = static fn ($t) => $t instanceof CollectionType;
+        $isCollectionType = static fn ($t): bool => $t instanceof CollectionType;
         $isCollection = $parameter->getNativeType()?->isSatisfiedBy($isCollectionType) ?? false;
 
         // type-info 7.2
diff --git a/src/Symfony/Action/DocumentationAction.php b/src/Symfony/Action/DocumentationAction.php
index 891d5d83d4c..3f01f467713 100644
--- a/src/Symfony/Action/DocumentationAction.php
+++ b/src/Symfony/Action/DocumentationAction.php
@@ -56,10 +56,7 @@ public function __construct(
         $this->negotiator = $negotiator ?? new Negotiator();
     }
 
-    /**
-     * @return DocumentationInterface|OpenApi|Response
-     */
-    public function __invoke(?Request $request = null)
+    public function __invoke(?Request $request = null): Documentation|OpenApi|Response|DocumentationInterface
     {
         if (false === $this->docsEnabled) {
             throw new NotFoundHttpException();
@@ -129,7 +126,7 @@ private function getHydraDocumentation(array $context, Request $request): Docume
                 class: Documentation::class,
                 read: true,
                 serialize: true,
-                provider: fn () => new Documentation($this->resourceNameCollectionFactory->create(), $this->title, $this->description, $this->version)
+                provider: fn (): Documentation => new Documentation($this->resourceNameCollectionFactory->create(), $this->title, $this->description, $this->version)
             );
 
             return $this->processor->process($this->provider->provide($operation, [], $context), $operation, [], $context);
diff --git a/src/Symfony/Action/NotFoundAction.php b/src/Symfony/Action/NotFoundAction.php
index 8d183f3c9b2..fe4edc93d15 100644
--- a/src/Symfony/Action/NotFoundAction.php
+++ b/src/Symfony/Action/NotFoundAction.php
@@ -20,7 +20,7 @@
  */
 final class NotFoundAction
 {
-    public function __invoke(): void
+    public function __invoke(): never
     {
         throw new NotFoundHttpException();
     }
diff --git a/src/Symfony/Bundle/DependencyInjection/ApiPlatformExtension.php b/src/Symfony/Bundle/DependencyInjection/ApiPlatformExtension.php
index 1f2f6689b96..9c63f8d70ad 100644
--- a/src/Symfony/Bundle/DependencyInjection/ApiPlatformExtension.php
+++ b/src/Symfony/Bundle/DependencyInjection/ApiPlatformExtension.php
@@ -176,7 +176,7 @@ public function load(array $configs, ContainerBuilder $container): void
         $this->registerOAuthConfiguration($container, $config);
         $this->registerOpenApiConfiguration($container, $config, $loader);
         $this->registerSwaggerConfiguration($container, $config, $loader);
-        $this->registerJsonApiConfiguration($formats, $loader, $config);
+        $this->registerJsonApiConfiguration($formats, $loader);
         $this->registerJsonLdHydraConfiguration($container, $formats, $loader, $config);
         $this->registerJsonHalConfiguration($formats, $loader);
         $this->registerJsonProblemConfiguration($errorFormats, $loader);
@@ -193,7 +193,7 @@ public function load(array $configs, ContainerBuilder $container): void
         $this->registerSecurityConfiguration($container, $config, $loader);
         $this->registerMakerConfiguration($container, $config, $loader);
         $this->registerArgumentResolverConfiguration($loader);
-        $this->registerLinkSecurityConfiguration($loader, $config);
+        $this->registerLinkSecurityConfiguration($loader);
         $this->registerJsonStreamerConfiguration($container, $loader, $formats, $config);
 
         // TranslationExtractCommand was introduced in framework-bundle/7.3 with the object mapper service
@@ -676,7 +676,7 @@ private function registerSwaggerConfiguration(ContainerBuilder $container, array
         $container->setParameter('api_platform.swagger_ui.extra_configuration', $config['openapi']['swagger_ui_extra_configuration'] ?: $config['swagger']['swagger_ui_extra_configuration']);
     }
 
-    private function registerJsonApiConfiguration(array $formats, PhpFileLoader $loader, array $config): void
+    private function registerJsonApiConfiguration(array $formats, PhpFileLoader $loader): void
     {
         if (!isset($formats['jsonapi'])) {
             return;
@@ -1070,7 +1070,7 @@ private function registerArgumentResolverConfiguration(PhpFileLoader $loader): v
         $loader->load('argument_resolver.php');
     }
 
-    private function registerLinkSecurityConfiguration(PhpFileLoader $loader, array $config): void
+    private function registerLinkSecurityConfiguration(PhpFileLoader $loader): void
     {
         $loader->load('link_security.php');
     }
diff --git a/src/Symfony/Bundle/DependencyInjection/Compiler/AttributeFilterPass.php b/src/Symfony/Bundle/DependencyInjection/Compiler/AttributeFilterPass.php
index 45485824678..21b6dbf8c54 100644
--- a/src/Symfony/Bundle/DependencyInjection/Compiler/AttributeFilterPass.php
+++ b/src/Symfony/Bundle/DependencyInjection/Compiler/AttributeFilterPass.php
@@ -42,7 +42,7 @@ public function process(ContainerBuilder $container): void
     {
         $resourceClassDirectories = $container->getParameter('api_platform.resource_class_directories');
 
-        foreach (ReflectionClassRecursiveIterator::getReflectionClassesFromDirectories($resourceClassDirectories) as $className => $reflectionClass) {
+        foreach (ReflectionClassRecursiveIterator::getReflectionClassesFromDirectories($resourceClassDirectories) as $reflectionClass) {
             $this->createFilterDefinitions($reflectionClass, $container);
         }
     }
diff --git a/src/Symfony/Bundle/Resources/config/api.php b/src/Symfony/Bundle/Resources/config/api.php
index c1685a0c4ae..7414d5e1568 100644
--- a/src/Symfony/Bundle/Resources/config/api.php
+++ b/src/Symfony/Bundle/Resources/config/api.php
@@ -49,7 +49,7 @@
 use Symfony\Component\Serializer\Mapping\Factory\CacheClassMetadataFactory;
 use Symfony\Component\Serializer\Normalizer\ObjectNormalizer;
 
-return function (ContainerConfigurator $container) {
+return function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.action.not_found', NotFoundAction::class)
diff --git a/src/Symfony/Bundle/Resources/config/argument_resolver.php b/src/Symfony/Bundle/Resources/config/argument_resolver.php
index 46c86b8499c..fef00438f95 100644
--- a/src/Symfony/Bundle/Resources/config/argument_resolver.php
+++ b/src/Symfony/Bundle/Resources/config/argument_resolver.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\Symfony\Bundle\ArgumentResolver\PayloadArgumentResolver;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.argument_resolver.payload', PayloadArgumentResolver::class)
diff --git a/src/Symfony/Bundle/Resources/config/data_collector.php b/src/Symfony/Bundle/Resources/config/data_collector.php
index c7a5ee16947..5f9fab83580 100644
--- a/src/Symfony/Bundle/Resources/config/data_collector.php
+++ b/src/Symfony/Bundle/Resources/config/data_collector.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\Symfony\Bundle\DataCollector\RequestDataCollector;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.data_collector.request', RequestDataCollector::class)
diff --git a/src/Symfony/Bundle/Resources/config/debug.php b/src/Symfony/Bundle/Resources/config/debug.php
index 86fe34593d9..5b1f3b85c42 100644
--- a/src/Symfony/Bundle/Resources/config/debug.php
+++ b/src/Symfony/Bundle/Resources/config/debug.php
@@ -17,7 +17,7 @@
 use Symfony\Component\VarDumper\Cloner\VarCloner;
 use Symfony\Component\VarDumper\Dumper\CliDumper;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('debug.var_dumper.cloner', VarCloner::class);
diff --git a/src/Symfony/Bundle/Resources/config/doctrine_mongodb_odm.php b/src/Symfony/Bundle/Resources/config/doctrine_mongodb_odm.php
index 17d22bbf589..d412875243b 100644
--- a/src/Symfony/Bundle/Resources/config/doctrine_mongodb_odm.php
+++ b/src/Symfony/Bundle/Resources/config/doctrine_mongodb_odm.php
@@ -35,7 +35,7 @@
 use ApiPlatform\Doctrine\Odm\State\LinksHandler;
 use Doctrine\Persistence\Mapping\ClassMetadataFactory;
 
-return function (ContainerConfigurator $container) {
+return function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.doctrine_mongodb.odm.default_document_manager.property_info_extractor', DoctrineExtractor::class)
diff --git a/src/Symfony/Bundle/Resources/config/doctrine_odm_mercure_publisher.php b/src/Symfony/Bundle/Resources/config/doctrine_odm_mercure_publisher.php
index 6cb90c9dcf7..aa01ff6e6ed 100644
--- a/src/Symfony/Bundle/Resources/config/doctrine_odm_mercure_publisher.php
+++ b/src/Symfony/Bundle/Resources/config/doctrine_odm_mercure_publisher.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\Symfony\Doctrine\EventListener\PublishMercureUpdatesListener;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.doctrine_mongodb.odm.listener.mercure.publish', PublishMercureUpdatesListener::class)
diff --git a/src/Symfony/Bundle/Resources/config/doctrine_orm.php b/src/Symfony/Bundle/Resources/config/doctrine_orm.php
index 4a2c6772e3d..4a1f5a97943 100644
--- a/src/Symfony/Bundle/Resources/config/doctrine_orm.php
+++ b/src/Symfony/Bundle/Resources/config/doctrine_orm.php
@@ -41,7 +41,7 @@
 use ApiPlatform\Doctrine\Orm\State\LinksHandler;
 use Doctrine\Persistence\Mapping\ClassMetadataFactory;
 
-return function (ContainerConfigurator $container) {
+return function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.doctrine.metadata_factory', ClassMetadataFactory::class)->factory([service('doctrine.orm.default_entity_manager'), 'getMetadataFactory']);
diff --git a/src/Symfony/Bundle/Resources/config/doctrine_orm_http_cache_purger.php b/src/Symfony/Bundle/Resources/config/doctrine_orm_http_cache_purger.php
index cce74a00600..e24a45ced19 100644
--- a/src/Symfony/Bundle/Resources/config/doctrine_orm_http_cache_purger.php
+++ b/src/Symfony/Bundle/Resources/config/doctrine_orm_http_cache_purger.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\Symfony\Doctrine\EventListener\PurgeHttpCacheListener;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.doctrine.listener.http_cache.purge', PurgeHttpCacheListener::class)
diff --git a/src/Symfony/Bundle/Resources/config/doctrine_orm_mercure_publisher.php b/src/Symfony/Bundle/Resources/config/doctrine_orm_mercure_publisher.php
index 79cb7ec1cd9..a690f107756 100644
--- a/src/Symfony/Bundle/Resources/config/doctrine_orm_mercure_publisher.php
+++ b/src/Symfony/Bundle/Resources/config/doctrine_orm_mercure_publisher.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\Symfony\Doctrine\EventListener\PublishMercureUpdatesListener;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.doctrine.orm.listener.mercure.publish', PublishMercureUpdatesListener::class)
diff --git a/src/Symfony/Bundle/Resources/config/elasticsearch.php b/src/Symfony/Bundle/Resources/config/elasticsearch.php
index 212fa22343b..907b068ac6b 100644
--- a/src/Symfony/Bundle/Resources/config/elasticsearch.php
+++ b/src/Symfony/Bundle/Resources/config/elasticsearch.php
@@ -26,7 +26,7 @@
 use ApiPlatform\Elasticsearch\State\CollectionProvider;
 use ApiPlatform\Elasticsearch\State\ItemProvider;
 
-return function (ContainerConfigurator $container) {
+return function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.elasticsearch.name_converter.inner_fields', InnerFieldsNameConverter::class)
diff --git a/src/Symfony/Bundle/Resources/config/filter.php b/src/Symfony/Bundle/Resources/config/filter.php
index 6d961581bfc..7e2e8ba8f74 100644
--- a/src/Symfony/Bundle/Resources/config/filter.php
+++ b/src/Symfony/Bundle/Resources/config/filter.php
@@ -15,7 +15,7 @@
 
 use Symfony\Component\DependencyInjection\ServiceLocator;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.filter_locator', ServiceLocator::class)
diff --git a/src/Symfony/Bundle/Resources/config/graphql.php b/src/Symfony/Bundle/Resources/config/graphql.php
index 0453cc84485..f26d8f18d42 100644
--- a/src/Symfony/Bundle/Resources/config/graphql.php
+++ b/src/Symfony/Bundle/Resources/config/graphql.php
@@ -48,7 +48,7 @@
 use ApiPlatform\Symfony\Bundle\Command\GraphQlExportCommand;
 use Symfony\Component\DependencyInjection\ServiceLocator;
 
-return function (ContainerConfigurator $container) {
+return function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.graphql.executor', Executor::class)
diff --git a/src/Symfony/Bundle/Resources/config/graphql/security.php b/src/Symfony/Bundle/Resources/config/graphql/security.php
index a056bbc4fb4..de937e926a0 100644
--- a/src/Symfony/Bundle/Resources/config/graphql/security.php
+++ b/src/Symfony/Bundle/Resources/config/graphql/security.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\Symfony\Security\State\AccessCheckerProvider;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.graphql.state_provider.access_checker', AccessCheckerProvider::class)
diff --git a/src/Symfony/Bundle/Resources/config/graphql/validator.php b/src/Symfony/Bundle/Resources/config/graphql/validator.php
index 5d4a0a64988..6d2d1f385d9 100644
--- a/src/Symfony/Bundle/Resources/config/graphql/validator.php
+++ b/src/Symfony/Bundle/Resources/config/graphql/validator.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\Symfony\Validator\State\ValidateProvider;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.graphql.state_provider.validate', ValidateProvider::class)
diff --git a/src/Symfony/Bundle/Resources/config/graphql_mercure.php b/src/Symfony/Bundle/Resources/config/graphql_mercure.php
index cd87445ee34..368d8001565 100644
--- a/src/Symfony/Bundle/Resources/config/graphql_mercure.php
+++ b/src/Symfony/Bundle/Resources/config/graphql_mercure.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\GraphQl\Subscription\MercureSubscriptionIriGenerator;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.graphql.subscription.mercure_iri_generator', MercureSubscriptionIriGenerator::class)
diff --git a/src/Symfony/Bundle/Resources/config/hal.php b/src/Symfony/Bundle/Resources/config/hal.php
index 933eaff113e..1e8bd69113e 100644
--- a/src/Symfony/Bundle/Resources/config/hal.php
+++ b/src/Symfony/Bundle/Resources/config/hal.php
@@ -20,7 +20,7 @@
 use ApiPlatform\Hal\Serializer\ObjectNormalizer;
 use ApiPlatform\Serializer\JsonEncoder;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.hal.json_schema.schema_factory', SchemaFactory::class)
diff --git a/src/Symfony/Bundle/Resources/config/http_cache.php b/src/Symfony/Bundle/Resources/config/http_cache.php
index 98db9a5df77..51074162b43 100644
--- a/src/Symfony/Bundle/Resources/config/http_cache.php
+++ b/src/Symfony/Bundle/Resources/config/http_cache.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\HttpCache\State\AddHeadersProcessor;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.http_cache.processor.add_headers', AddHeadersProcessor::class)
diff --git a/src/Symfony/Bundle/Resources/config/http_cache_purger.php b/src/Symfony/Bundle/Resources/config/http_cache_purger.php
index 1637f91ea45..646575011a1 100644
--- a/src/Symfony/Bundle/Resources/config/http_cache_purger.php
+++ b/src/Symfony/Bundle/Resources/config/http_cache_purger.php
@@ -17,7 +17,7 @@
 use ApiPlatform\HttpCache\VarnishPurger;
 use ApiPlatform\HttpCache\VarnishXKeyPurger;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->alias('api_platform.http_cache.purger.varnish', 'api_platform.http_cache.purger.varnish.ban');
diff --git a/src/Symfony/Bundle/Resources/config/hydra.php b/src/Symfony/Bundle/Resources/config/hydra.php
index f015e531d7d..4b421b27682 100644
--- a/src/Symfony/Bundle/Resources/config/hydra.php
+++ b/src/Symfony/Bundle/Resources/config/hydra.php
@@ -22,7 +22,7 @@
 use ApiPlatform\Hydra\Serializer\HydraPrefixNameConverter;
 use ApiPlatform\Hydra\Serializer\PartialCollectionViewNormalizer;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.hydra.json_schema.schema_factory', SchemaFactory::class)
diff --git a/src/Symfony/Bundle/Resources/config/json_schema.php b/src/Symfony/Bundle/Resources/config/json_schema.php
index ab64a31e40d..74b706b1ad8 100644
--- a/src/Symfony/Bundle/Resources/config/json_schema.php
+++ b/src/Symfony/Bundle/Resources/config/json_schema.php
@@ -20,7 +20,7 @@
 use ApiPlatform\JsonSchema\SchemaFactory;
 use ApiPlatform\JsonSchema\SchemaFactoryInterface;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.json_schema.schema_factory', SchemaFactory::class)
diff --git a/src/Symfony/Bundle/Resources/config/json_streamer/common.php b/src/Symfony/Bundle/Resources/config/json_streamer/common.php
index 756c16898f2..21165006be7 100644
--- a/src/Symfony/Bundle/Resources/config/json_streamer/common.php
+++ b/src/Symfony/Bundle/Resources/config/json_streamer/common.php
@@ -22,7 +22,7 @@
 use Symfony\Component\JsonStreamer\JsonStreamWriter;
 use Symfony\Component\JsonStreamer\StreamerDumper;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.jsonld.json_streamer.stream_writer', JsonStreamWriter::class)
diff --git a/src/Symfony/Bundle/Resources/config/json_streamer/events.php b/src/Symfony/Bundle/Resources/config/json_streamer/events.php
index e5addb83c23..3a7a2882812 100644
--- a/src/Symfony/Bundle/Resources/config/json_streamer/events.php
+++ b/src/Symfony/Bundle/Resources/config/json_streamer/events.php
@@ -20,7 +20,7 @@
 use ApiPlatform\Symfony\EventListener\JsonStreamerDeserializeListener;
 use ApiPlatform\Symfony\EventListener\JsonStreamerSerializeListener;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.jsonld.state_processor.json_streamer', HydraJsonStreamerProcessor::class)
diff --git a/src/Symfony/Bundle/Resources/config/json_streamer/hydra.php b/src/Symfony/Bundle/Resources/config/json_streamer/hydra.php
index 17fe3e72c08..9bb6317f64b 100644
--- a/src/Symfony/Bundle/Resources/config/json_streamer/hydra.php
+++ b/src/Symfony/Bundle/Resources/config/json_streamer/hydra.php
@@ -16,7 +16,7 @@
 use ApiPlatform\Hydra\State\JsonStreamerProcessor;
 use ApiPlatform\Hydra\State\JsonStreamerProvider;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.jsonld.state_processor.json_streamer', JsonStreamerProcessor::class)
diff --git a/src/Symfony/Bundle/Resources/config/json_streamer/json.php b/src/Symfony/Bundle/Resources/config/json_streamer/json.php
index 40831d878fa..6b3e9e28207 100644
--- a/src/Symfony/Bundle/Resources/config/json_streamer/json.php
+++ b/src/Symfony/Bundle/Resources/config/json_streamer/json.php
@@ -16,7 +16,7 @@
 use ApiPlatform\Serializer\State\JsonStreamerProcessor;
 use ApiPlatform\Serializer\State\JsonStreamerProvider;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.state_processor.json_streamer', JsonStreamerProcessor::class)
diff --git a/src/Symfony/Bundle/Resources/config/jsonapi.php b/src/Symfony/Bundle/Resources/config/jsonapi.php
index c4e7c895bb7..bc8ef6e7f2a 100644
--- a/src/Symfony/Bundle/Resources/config/jsonapi.php
+++ b/src/Symfony/Bundle/Resources/config/jsonapi.php
@@ -23,7 +23,7 @@
 use ApiPlatform\JsonApi\Serializer\ReservedAttributeNameConverter;
 use ApiPlatform\Serializer\JsonEncoder;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.jsonapi.json_schema.schema_factory', SchemaFactory::class)
diff --git a/src/Symfony/Bundle/Resources/config/jsonld.php b/src/Symfony/Bundle/Resources/config/jsonld.php
index 33859c30723..40c9ae6b9c4 100644
--- a/src/Symfony/Bundle/Resources/config/jsonld.php
+++ b/src/Symfony/Bundle/Resources/config/jsonld.php
@@ -20,7 +20,7 @@
 use ApiPlatform\Serializer\JsonEncoder;
 use ApiPlatform\Symfony\Validator\Serializer\ValidationExceptionNormalizer;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.jsonld.context_builder', ContextBuilder::class)
diff --git a/src/Symfony/Bundle/Resources/config/link_security.php b/src/Symfony/Bundle/Resources/config/link_security.php
index 6309adf93ba..e0afd0ba8cf 100644
--- a/src/Symfony/Bundle/Resources/config/link_security.php
+++ b/src/Symfony/Bundle/Resources/config/link_security.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\State\ParameterProvider\ReadLinkParameterProvider;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.state_provider.read_link', ReadLinkParameterProvider::class)
diff --git a/src/Symfony/Bundle/Resources/config/maker.php b/src/Symfony/Bundle/Resources/config/maker.php
index 9eef4dd5dde..a7ecab9f93d 100644
--- a/src/Symfony/Bundle/Resources/config/maker.php
+++ b/src/Symfony/Bundle/Resources/config/maker.php
@@ -17,7 +17,7 @@
 use ApiPlatform\Symfony\Maker\MakeStateProcessor;
 use ApiPlatform\Symfony\Maker\MakeStateProvider;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.maker.command.state_processor', MakeStateProcessor::class)
diff --git a/src/Symfony/Bundle/Resources/config/mcp/events.php b/src/Symfony/Bundle/Resources/config/mcp/events.php
index 3bb7db5372b..11a72b2465a 100644
--- a/src/Symfony/Bundle/Resources/config/mcp/events.php
+++ b/src/Symfony/Bundle/Resources/config/mcp/events.php
@@ -17,7 +17,7 @@
 use ApiPlatform\Mcp\State\StructuredContentProcessor;
 use ApiPlatform\State\Processor\WriteProcessor;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.mcp.state_processor.write', WriteProcessor::class)
diff --git a/src/Symfony/Bundle/Resources/config/mcp/mcp.php b/src/Symfony/Bundle/Resources/config/mcp/mcp.php
index 8ffdffaea8c..a26fd9a75f0 100644
--- a/src/Symfony/Bundle/Resources/config/mcp/mcp.php
+++ b/src/Symfony/Bundle/Resources/config/mcp/mcp.php
@@ -18,7 +18,7 @@
 use ApiPlatform\Mcp\Routing\IriConverter;
 use ApiPlatform\Mcp\State\ToolProvider;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.mcp.loader', Loader::class)
diff --git a/src/Symfony/Bundle/Resources/config/mcp/state.php b/src/Symfony/Bundle/Resources/config/mcp/state.php
index 85525d4b779..d4eac866f2a 100644
--- a/src/Symfony/Bundle/Resources/config/mcp/state.php
+++ b/src/Symfony/Bundle/Resources/config/mcp/state.php
@@ -17,7 +17,7 @@
 use ApiPlatform\Mcp\State\StructuredContentProcessor;
 use ApiPlatform\State\Processor\WriteProcessor;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.mcp.state_processor.write', WriteProcessor::class)
diff --git a/src/Symfony/Bundle/Resources/config/messenger.php b/src/Symfony/Bundle/Resources/config/messenger.php
index 9424cdf3b4f..c15836a4f07 100644
--- a/src/Symfony/Bundle/Resources/config/messenger.php
+++ b/src/Symfony/Bundle/Resources/config/messenger.php
@@ -16,7 +16,7 @@
 use ApiPlatform\Symfony\Messenger\Metadata\MessengerResourceMetadataCollectionFactory;
 use ApiPlatform\Symfony\Messenger\Processor;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->alias('api_platform.message_bus', 'messenger.default_bus');
diff --git a/src/Symfony/Bundle/Resources/config/metadata/links.php b/src/Symfony/Bundle/Resources/config/metadata/links.php
index b05f49594c1..faf7d725cd2 100644
--- a/src/Symfony/Bundle/Resources/config/metadata/links.php
+++ b/src/Symfony/Bundle/Resources/config/metadata/links.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\Metadata\Resource\Factory\LinkFactory;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.metadata.resource.link_factory', LinkFactory::class)
diff --git a/src/Symfony/Bundle/Resources/config/metadata/mutator.php b/src/Symfony/Bundle/Resources/config/metadata/mutator.php
index e9290ecde29..e2373097f99 100644
--- a/src/Symfony/Bundle/Resources/config/metadata/mutator.php
+++ b/src/Symfony/Bundle/Resources/config/metadata/mutator.php
@@ -16,7 +16,7 @@
 use ApiPlatform\Metadata\Mutator\OperationMutatorCollection;
 use ApiPlatform\Metadata\Mutator\ResourceMutatorCollection;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.metadata.mutator_collection.resource', ResourceMutatorCollection::class);
diff --git a/src/Symfony/Bundle/Resources/config/metadata/operation.php b/src/Symfony/Bundle/Resources/config/metadata/operation.php
index ef8987a809b..82ec16b2aa9 100644
--- a/src/Symfony/Bundle/Resources/config/metadata/operation.php
+++ b/src/Symfony/Bundle/Resources/config/metadata/operation.php
@@ -17,7 +17,7 @@
 use ApiPlatform\Metadata\Operation\Factory\OperationMetadataFactory;
 use ApiPlatform\Metadata\Operation\Factory\OperationMetadataFactoryInterface;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.metadata.operation.metadata_factory', OperationMetadataFactory::class)
diff --git a/src/Symfony/Bundle/Resources/config/metadata/php.php b/src/Symfony/Bundle/Resources/config/metadata/php.php
index 7dbaa00ea3c..9273b835d9f 100644
--- a/src/Symfony/Bundle/Resources/config/metadata/php.php
+++ b/src/Symfony/Bundle/Resources/config/metadata/php.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\Metadata\Extractor\PhpFileResourceExtractor;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.metadata.resource_extractor.php_file', PhpFileResourceExtractor::class)
diff --git a/src/Symfony/Bundle/Resources/config/metadata/php_doc.php b/src/Symfony/Bundle/Resources/config/metadata/php_doc.php
index 50e40c3e5b4..18fe4f97684 100644
--- a/src/Symfony/Bundle/Resources/config/metadata/php_doc.php
+++ b/src/Symfony/Bundle/Resources/config/metadata/php_doc.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\Metadata\Resource\Factory\PhpDocResourceMetadataCollectionFactory;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.metadata.resource.metadata_collection_factory.php_doc', PhpDocResourceMetadataCollectionFactory::class)
diff --git a/src/Symfony/Bundle/Resources/config/metadata/property.php b/src/Symfony/Bundle/Resources/config/metadata/property.php
index bfcc0f359d7..8470a21b835 100644
--- a/src/Symfony/Bundle/Resources/config/metadata/property.php
+++ b/src/Symfony/Bundle/Resources/config/metadata/property.php
@@ -22,7 +22,7 @@
 use ApiPlatform\Metadata\Property\Factory\PropertyMetadataFactoryInterface;
 use ApiPlatform\Metadata\Property\Factory\SerializerPropertyMetadataFactory;
 
-return function (ContainerConfigurator $container) {
+return function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->alias('api_platform.metadata.property.metadata_factory', 'api_platform.metadata.property.metadata_factory.xml');
diff --git a/src/Symfony/Bundle/Resources/config/metadata/property_name.php b/src/Symfony/Bundle/Resources/config/metadata/property_name.php
index 75a3962ef43..21d24a8ef6d 100644
--- a/src/Symfony/Bundle/Resources/config/metadata/property_name.php
+++ b/src/Symfony/Bundle/Resources/config/metadata/property_name.php
@@ -19,7 +19,7 @@
 use ApiPlatform\Metadata\Property\Factory\PropertyInfoPropertyNameCollectionFactory;
 use ApiPlatform\Metadata\Property\Factory\PropertyNameCollectionFactoryInterface;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->alias('api_platform.metadata.property.name_collection_factory', 'api_platform.metadata.property.name_collection_factory.property_info');
diff --git a/src/Symfony/Bundle/Resources/config/metadata/resource.php b/src/Symfony/Bundle/Resources/config/metadata/resource.php
index 0e0b3c088d4..65cf5eb783b 100644
--- a/src/Symfony/Bundle/Resources/config/metadata/resource.php
+++ b/src/Symfony/Bundle/Resources/config/metadata/resource.php
@@ -32,7 +32,7 @@
 use ApiPlatform\Metadata\Resource\Factory\ResourceMetadataCollectionFactoryInterface;
 use ApiPlatform\Metadata\Resource\Factory\UriTemplateResourceMetadataCollectionFactory;
 
-return function (ContainerConfigurator $container) {
+return function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->alias('api_platform.metadata.resource.metadata_collection_factory', 'api_platform.metadata.resource.metadata_collection_factory.attributes');
diff --git a/src/Symfony/Bundle/Resources/config/metadata/resource_name.php b/src/Symfony/Bundle/Resources/config/metadata/resource_name.php
index bea58a3f06c..07703090136 100644
--- a/src/Symfony/Bundle/Resources/config/metadata/resource_name.php
+++ b/src/Symfony/Bundle/Resources/config/metadata/resource_name.php
@@ -21,7 +21,7 @@
 use ApiPlatform\Metadata\Resource\Factory\PhpFileResourceNameCollectionFactory;
 use ApiPlatform\Metadata\Resource\Factory\ResourceNameCollectionFactoryInterface;
 
-return function (ContainerConfigurator $container) {
+return function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.cache.metadata.resource')
diff --git a/src/Symfony/Bundle/Resources/config/metadata/validator.php b/src/Symfony/Bundle/Resources/config/metadata/validator.php
index f663d3f60c8..47ae0776dd3 100644
--- a/src/Symfony/Bundle/Resources/config/metadata/validator.php
+++ b/src/Symfony/Bundle/Resources/config/metadata/validator.php
@@ -29,7 +29,7 @@
 use ApiPlatform\Symfony\Validator\Metadata\Property\Restriction\PropertySchemaUniqueRestriction;
 use ApiPlatform\Symfony\Validator\Metadata\Property\ValidatorPropertyMetadataFactory;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.metadata.property.metadata_factory.validator', ValidatorPropertyMetadataFactory::class)
diff --git a/src/Symfony/Bundle/Resources/config/metadata/xml.php b/src/Symfony/Bundle/Resources/config/metadata/xml.php
index 105943590dc..7ccaafd9301 100644
--- a/src/Symfony/Bundle/Resources/config/metadata/xml.php
+++ b/src/Symfony/Bundle/Resources/config/metadata/xml.php
@@ -16,7 +16,7 @@
 use ApiPlatform\Metadata\Extractor\XmlPropertyExtractor;
 use ApiPlatform\Metadata\Extractor\XmlResourceExtractor;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.metadata.resource_extractor.xml', XmlResourceExtractor::class)
diff --git a/src/Symfony/Bundle/Resources/config/metadata/yaml.php b/src/Symfony/Bundle/Resources/config/metadata/yaml.php
index 346b579970d..9e2e1367e29 100644
--- a/src/Symfony/Bundle/Resources/config/metadata/yaml.php
+++ b/src/Symfony/Bundle/Resources/config/metadata/yaml.php
@@ -20,7 +20,7 @@
 use ApiPlatform\Metadata\Resource\Factory\ExtractorResourceMetadataCollectionFactory;
 use ApiPlatform\Metadata\Resource\Factory\ExtractorResourceNameCollectionFactory;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.metadata.resource_extractor.yaml', YamlResourceExtractor::class)
diff --git a/src/Symfony/Bundle/Resources/config/openapi.php b/src/Symfony/Bundle/Resources/config/openapi.php
index b68eb55ed4b..f5de0339bab 100644
--- a/src/Symfony/Bundle/Resources/config/openapi.php
+++ b/src/Symfony/Bundle/Resources/config/openapi.php
@@ -26,7 +26,7 @@
 use Symfony\Component\Serializer\Normalizer\ObjectNormalizer;
 use Symfony\Component\Serializer\Serializer;
 
-return function (ContainerConfigurator $container) {
+return function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.openapi.normalizer', OpenApiNormalizer::class)
diff --git a/src/Symfony/Bundle/Resources/config/openapi/yaml.php b/src/Symfony/Bundle/Resources/config/openapi/yaml.php
index 8454f84dab0..d513ecc9500 100644
--- a/src/Symfony/Bundle/Resources/config/openapi/yaml.php
+++ b/src/Symfony/Bundle/Resources/config/openapi/yaml.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\Serializer\YamlEncoder;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.yamlopenapi.encoder', YamlEncoder::class)
diff --git a/src/Symfony/Bundle/Resources/config/problem.php b/src/Symfony/Bundle/Resources/config/problem.php
index ebb4adad684..672ac24921d 100644
--- a/src/Symfony/Bundle/Resources/config/problem.php
+++ b/src/Symfony/Bundle/Resources/config/problem.php
@@ -16,7 +16,7 @@
 use ApiPlatform\Serializer\JsonEncoder;
 use ApiPlatform\Symfony\Validator\Serializer\ValidationExceptionNormalizer;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.problem.encoder', JsonEncoder::class)
diff --git a/src/Symfony/Bundle/Resources/config/ramsey_uuid.php b/src/Symfony/Bundle/Resources/config/ramsey_uuid.php
index 990d7aadc9e..bad58a89160 100644
--- a/src/Symfony/Bundle/Resources/config/ramsey_uuid.php
+++ b/src/Symfony/Bundle/Resources/config/ramsey_uuid.php
@@ -16,7 +16,7 @@
 use ApiPlatform\RamseyUuid\Serializer\UuidDenormalizer;
 use ApiPlatform\RamseyUuid\UriVariableTransformer\UuidUriVariableTransformer;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.serializer.uuid_denormalizer', UuidDenormalizer::class)
diff --git a/src/Symfony/Bundle/Resources/config/routing/api.php b/src/Symfony/Bundle/Resources/config/routing/api.php
index 50982559a6b..79a3f0d1a73 100644
--- a/src/Symfony/Bundle/Resources/config/routing/api.php
+++ b/src/Symfony/Bundle/Resources/config/routing/api.php
@@ -13,7 +13,7 @@
 
 namespace Symfony\Component\Routing\Loader\Configurator;
 
-return static function (RoutingConfigurator $routes) {
+return static function (RoutingConfigurator $routes): void {
     $routes->add('api_entrypoint', '/{index}.{_format}')
         ->controller('api_platform.action.entrypoint')
         ->methods(['GET', 'HEAD'])
diff --git a/src/Symfony/Bundle/Resources/config/routing/docs.php b/src/Symfony/Bundle/Resources/config/routing/docs.php
index fb9482495c4..21fbe7b7d98 100644
--- a/src/Symfony/Bundle/Resources/config/routing/docs.php
+++ b/src/Symfony/Bundle/Resources/config/routing/docs.php
@@ -13,7 +13,7 @@
 
 namespace Symfony\Component\Routing\Loader\Configurator;
 
-return static function (RoutingConfigurator $routes) {
+return static function (RoutingConfigurator $routes): void {
     $routes->add('api_doc', '/docs.{_format}')
         ->controller('api_platform.action.documentation')
         ->methods(['GET', 'HEAD'])
diff --git a/src/Symfony/Bundle/Resources/config/routing/errors.php b/src/Symfony/Bundle/Resources/config/routing/errors.php
index 3e3066806ce..a2d5c8c6a95 100644
--- a/src/Symfony/Bundle/Resources/config/routing/errors.php
+++ b/src/Symfony/Bundle/Resources/config/routing/errors.php
@@ -13,7 +13,7 @@
 
 namespace Symfony\Component\Routing\Loader\Configurator;
 
-return static function (RoutingConfigurator $routes) {
+return static function (RoutingConfigurator $routes): void {
     $routes->add('api_validation_errors', '/validation_errors/{id}')
         ->controller('api_platform.action.not_exposed')
         ->methods(['GET', 'HEAD']);
diff --git a/src/Symfony/Bundle/Resources/config/routing/genid.php b/src/Symfony/Bundle/Resources/config/routing/genid.php
index 57acbca80a2..4fd11d684be 100644
--- a/src/Symfony/Bundle/Resources/config/routing/genid.php
+++ b/src/Symfony/Bundle/Resources/config/routing/genid.php
@@ -13,7 +13,7 @@
 
 namespace Symfony\Component\Routing\Loader\Configurator;
 
-return static function (RoutingConfigurator $routes) {
+return static function (RoutingConfigurator $routes): void {
     $routes->add('api_genid', '/.well-known/genid/{id}')
         ->controller('api_platform.action.not_exposed')
         ->methods(['GET', 'HEAD'])
diff --git a/src/Symfony/Bundle/Resources/config/routing/graphql/graphiql.php b/src/Symfony/Bundle/Resources/config/routing/graphql/graphiql.php
index e3a3ade7319..b02ef89a92f 100644
--- a/src/Symfony/Bundle/Resources/config/routing/graphql/graphiql.php
+++ b/src/Symfony/Bundle/Resources/config/routing/graphql/graphiql.php
@@ -13,7 +13,7 @@
 
 namespace Symfony\Component\Routing\Loader\Configurator;
 
-return static function (RoutingConfigurator $routes) {
+return static function (RoutingConfigurator $routes): void {
     $routes->add('api_graphql_graphiql', '/graphql/graphiql')
         ->controller('api_platform.graphql.action.graphiql')
         ->methods(['GET', 'HEAD']);
diff --git a/src/Symfony/Bundle/Resources/config/routing/graphql/graphql.php b/src/Symfony/Bundle/Resources/config/routing/graphql/graphql.php
index c425551dfc5..4104415a363 100644
--- a/src/Symfony/Bundle/Resources/config/routing/graphql/graphql.php
+++ b/src/Symfony/Bundle/Resources/config/routing/graphql/graphql.php
@@ -13,7 +13,7 @@
 
 namespace Symfony\Component\Routing\Loader\Configurator;
 
-return static function (RoutingConfigurator $routes) {
+return static function (RoutingConfigurator $routes): void {
     $routes->add('api_graphql_entrypoint', '/graphql')
         ->controller('api_platform.graphql.action.entrypoint');
 };
diff --git a/src/Symfony/Bundle/Resources/config/routing/jsonld.php b/src/Symfony/Bundle/Resources/config/routing/jsonld.php
index 9d9604b7b38..9764c7aaf67 100644
--- a/src/Symfony/Bundle/Resources/config/routing/jsonld.php
+++ b/src/Symfony/Bundle/Resources/config/routing/jsonld.php
@@ -13,7 +13,7 @@
 
 namespace Symfony\Component\Routing\Loader\Configurator;
 
-return static function (RoutingConfigurator $routes) {
+return static function (RoutingConfigurator $routes): void {
     $routes->add('api_jsonld_context', '/contexts/{shortName}.{_format}')
         ->controller('api_platform.jsonld.action.context')
         ->methods(['GET', 'HEAD'])
diff --git a/src/Symfony/Bundle/Resources/config/security.php b/src/Symfony/Bundle/Resources/config/security.php
index 0976d4b6a10..39cca40d46f 100644
--- a/src/Symfony/Bundle/Resources/config/security.php
+++ b/src/Symfony/Bundle/Resources/config/security.php
@@ -17,7 +17,7 @@
 use ApiPlatform\Symfony\Security\Core\Authorization\ExpressionLanguageProvider;
 use ApiPlatform\Symfony\Security\ResourceAccessChecker;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->alias('api_platform.security.expression_language', 'security.expression_language');
diff --git a/src/Symfony/Bundle/Resources/config/state/http_cache_purger.php b/src/Symfony/Bundle/Resources/config/state/http_cache_purger.php
index 58c93cc959c..b1637e4dc80 100644
--- a/src/Symfony/Bundle/Resources/config/state/http_cache_purger.php
+++ b/src/Symfony/Bundle/Resources/config/state/http_cache_purger.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\HttpCache\State\AddTagsProcessor;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.http_cache_purger.processor.add_tags', AddTagsProcessor::class)
diff --git a/src/Symfony/Bundle/Resources/config/state/hydra.php b/src/Symfony/Bundle/Resources/config/state/hydra.php
index 370d0612d9c..a3d782361e8 100644
--- a/src/Symfony/Bundle/Resources/config/state/hydra.php
+++ b/src/Symfony/Bundle/Resources/config/state/hydra.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\Hydra\State\HydraLinkProcessor;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.hydra.processor.link', HydraLinkProcessor::class)
diff --git a/src/Symfony/Bundle/Resources/config/state/jsonapi.php b/src/Symfony/Bundle/Resources/config/state/jsonapi.php
index 011e445a1c8..6789cc7d0cc 100644
--- a/src/Symfony/Bundle/Resources/config/state/jsonapi.php
+++ b/src/Symfony/Bundle/Resources/config/state/jsonapi.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\JsonApi\State\JsonApiProvider;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.jsonapi.state_provider', JsonApiProvider::class)
diff --git a/src/Symfony/Bundle/Resources/config/state/jsonld.php b/src/Symfony/Bundle/Resources/config/state/jsonld.php
index 5339d4dbef4..3339db723bd 100644
--- a/src/Symfony/Bundle/Resources/config/state/jsonld.php
+++ b/src/Symfony/Bundle/Resources/config/state/jsonld.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\JsonLd\Action\ContextAction;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.jsonld.action.context', ContextAction::class)
diff --git a/src/Symfony/Bundle/Resources/config/state/mercure.php b/src/Symfony/Bundle/Resources/config/state/mercure.php
index 993bd87d489..18149579ba2 100644
--- a/src/Symfony/Bundle/Resources/config/state/mercure.php
+++ b/src/Symfony/Bundle/Resources/config/state/mercure.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\Symfony\State\MercureLinkProcessor;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.mercure.processor.add_link_header', MercureLinkProcessor::class)
diff --git a/src/Symfony/Bundle/Resources/config/state/object_mapper.php b/src/Symfony/Bundle/Resources/config/state/object_mapper.php
index ad970c8d2d2..c5f00b08765 100644
--- a/src/Symfony/Bundle/Resources/config/state/object_mapper.php
+++ b/src/Symfony/Bundle/Resources/config/state/object_mapper.php
@@ -18,7 +18,7 @@
 use ApiPlatform\State\Provider\ObjectMapperProvider;
 use Symfony\Component\ObjectMapper\Metadata\ReflectionObjectMapperMetadataFactory;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.object_mapper.metadata_factory', ReflectionObjectMapperMetadataFactory::class);
diff --git a/src/Symfony/Bundle/Resources/config/state/object_mapper_processor.php b/src/Symfony/Bundle/Resources/config/state/object_mapper_processor.php
index 40de78b6169..9a1744ca2b5 100644
--- a/src/Symfony/Bundle/Resources/config/state/object_mapper_processor.php
+++ b/src/Symfony/Bundle/Resources/config/state/object_mapper_processor.php
@@ -16,7 +16,7 @@
 use ApiPlatform\State\Processor\ObjectMapperInputProcessor;
 use ApiPlatform\State\Processor\ObjectMapperOutputProcessor;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.state_processor.object_mapper_input', ObjectMapperInputProcessor::class)
diff --git a/src/Symfony/Bundle/Resources/config/state/parameter_provider.php b/src/Symfony/Bundle/Resources/config/state/parameter_provider.php
index 921c869c19c..10d2f8ce684 100644
--- a/src/Symfony/Bundle/Resources/config/state/parameter_provider.php
+++ b/src/Symfony/Bundle/Resources/config/state/parameter_provider.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\State\ParameterProvider\IriConverterParameterProvider;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.state_provider.parameter.iri_converter', IriConverterParameterProvider::class)
diff --git a/src/Symfony/Bundle/Resources/config/state/processor.php b/src/Symfony/Bundle/Resources/config/state/processor.php
index f44dfb20d8f..ce22a7ca618 100644
--- a/src/Symfony/Bundle/Resources/config/state/processor.php
+++ b/src/Symfony/Bundle/Resources/config/state/processor.php
@@ -18,7 +18,7 @@
 use ApiPlatform\State\Processor\SerializeProcessor;
 use ApiPlatform\State\Processor\WriteProcessor;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->alias('api_platform.state_processor.main', 'api_platform.state_processor.respond');
diff --git a/src/Symfony/Bundle/Resources/config/state/provider.php b/src/Symfony/Bundle/Resources/config/state/provider.php
index f31fc2bc7c1..4ff4b5c9358 100644
--- a/src/Symfony/Bundle/Resources/config/state/provider.php
+++ b/src/Symfony/Bundle/Resources/config/state/provider.php
@@ -19,7 +19,7 @@
 use ApiPlatform\State\Provider\ReadProvider;
 use ApiPlatform\Symfony\EventListener\ErrorListener;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->alias('api_platform.state_provider.main', 'api_platform.state_provider.locator');
diff --git a/src/Symfony/Bundle/Resources/config/state/security.php b/src/Symfony/Bundle/Resources/config/state/security.php
index ee24ded92e8..709d8573421 100644
--- a/src/Symfony/Bundle/Resources/config/state/security.php
+++ b/src/Symfony/Bundle/Resources/config/state/security.php
@@ -16,7 +16,7 @@
 use ApiPlatform\State\Provider\SecurityParameterProvider;
 use ApiPlatform\Symfony\Security\State\AccessCheckerProvider;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.state_provider.access_checker', AccessCheckerProvider::class)
diff --git a/src/Symfony/Bundle/Resources/config/state/security_validator.php b/src/Symfony/Bundle/Resources/config/state/security_validator.php
index 1b515348651..b2a127ccbe8 100644
--- a/src/Symfony/Bundle/Resources/config/state/security_validator.php
+++ b/src/Symfony/Bundle/Resources/config/state/security_validator.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\Symfony\Security\State\AccessCheckerProvider;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.state_provider.access_checker.post_validate', AccessCheckerProvider::class)
diff --git a/src/Symfony/Bundle/Resources/config/state/state.php b/src/Symfony/Bundle/Resources/config/state/state.php
index f3dd834d730..abf5e4491d9 100644
--- a/src/Symfony/Bundle/Resources/config/state/state.php
+++ b/src/Symfony/Bundle/Resources/config/state/state.php
@@ -23,7 +23,7 @@
 use ApiPlatform\State\SerializerContextBuilderInterface;
 use Symfony\Component\DependencyInjection\ServiceLocator;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.state_provider.locator', CallableProvider::class)
diff --git a/src/Symfony/Bundle/Resources/config/state/swagger_ui.php b/src/Symfony/Bundle/Resources/config/state/swagger_ui.php
index 0ebb86e6410..286fcbe59dd 100644
--- a/src/Symfony/Bundle/Resources/config/state/swagger_ui.php
+++ b/src/Symfony/Bundle/Resources/config/state/swagger_ui.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\Symfony\Bundle\SwaggerUi\SwaggerUiProvider;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.swagger_ui.provider', SwaggerUiProvider::class)
diff --git a/src/Symfony/Bundle/Resources/config/swagger_ui.php b/src/Symfony/Bundle/Resources/config/swagger_ui.php
index 4d4b756af6e..ad0df6f793e 100644
--- a/src/Symfony/Bundle/Resources/config/swagger_ui.php
+++ b/src/Symfony/Bundle/Resources/config/swagger_ui.php
@@ -16,7 +16,7 @@
 use ApiPlatform\Symfony\Bundle\SwaggerUi\SwaggerUiContext;
 use ApiPlatform\Symfony\Bundle\SwaggerUi\SwaggerUiProcessor;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.swagger_ui.context', SwaggerUiContext::class)
diff --git a/src/Symfony/Bundle/Resources/config/symfony/controller.php b/src/Symfony/Bundle/Resources/config/symfony/controller.php
index 203afa69245..c6831fec58a 100644
--- a/src/Symfony/Bundle/Resources/config/symfony/controller.php
+++ b/src/Symfony/Bundle/Resources/config/symfony/controller.php
@@ -17,7 +17,7 @@
 use ApiPlatform\Symfony\Action\EntrypointAction;
 use ApiPlatform\Symfony\Controller\MainController;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.symfony.main_controller', MainController::class)
diff --git a/src/Symfony/Bundle/Resources/config/symfony/events.php b/src/Symfony/Bundle/Resources/config/symfony/events.php
index 12488624e08..ee8e780cf55 100644
--- a/src/Symfony/Bundle/Resources/config/symfony/events.php
+++ b/src/Symfony/Bundle/Resources/config/symfony/events.php
@@ -32,7 +32,7 @@
 use ApiPlatform\Symfony\EventListener\SerializeListener;
 use ApiPlatform\Symfony\EventListener\WriteListener;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.state_provider.content_negotiation', ContentNegotiationProvider::class)
diff --git a/src/Symfony/Bundle/Resources/config/symfony/jsonld.php b/src/Symfony/Bundle/Resources/config/symfony/jsonld.php
index 1b96773c023..fc1c5cb40c0 100644
--- a/src/Symfony/Bundle/Resources/config/symfony/jsonld.php
+++ b/src/Symfony/Bundle/Resources/config/symfony/jsonld.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\JsonLd\Action\ContextAction;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.jsonld.action.context', ContextAction::class)
diff --git a/src/Symfony/Bundle/Resources/config/symfony/object_mapper.php b/src/Symfony/Bundle/Resources/config/symfony/object_mapper.php
index b1ed3ca5b74..bd99bfa6231 100644
--- a/src/Symfony/Bundle/Resources/config/symfony/object_mapper.php
+++ b/src/Symfony/Bundle/Resources/config/symfony/object_mapper.php
@@ -21,7 +21,7 @@
 use ApiPlatform\Symfony\Validator\State\ValidateProcessor;
 use Symfony\Component\Validator\Validator\ValidatorInterface;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.state_processor.object_mapper_input', ObjectMapperInputProcessor::class)
diff --git a/src/Symfony/Bundle/Resources/config/symfony/swagger_ui.php b/src/Symfony/Bundle/Resources/config/symfony/swagger_ui.php
index a82f07a2713..b823d6738e6 100644
--- a/src/Symfony/Bundle/Resources/config/symfony/swagger_ui.php
+++ b/src/Symfony/Bundle/Resources/config/symfony/swagger_ui.php
@@ -15,7 +15,7 @@
 
 use ApiPlatform\Symfony\Bundle\SwaggerUi\SwaggerUiProvider;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.swagger_ui.documentation.provider', SwaggerUiProvider::class)
diff --git a/src/Symfony/Bundle/Resources/config/symfony/symfony.php b/src/Symfony/Bundle/Resources/config/symfony/symfony.php
index 31b6c0f05d4..b51add8c35b 100644
--- a/src/Symfony/Bundle/Resources/config/symfony/symfony.php
+++ b/src/Symfony/Bundle/Resources/config/symfony/symfony.php
@@ -16,7 +16,7 @@
 use ApiPlatform\Symfony\Bundle\CacheWarmer\CachePoolClearerCacheWarmer;
 use ApiPlatform\Symfony\EventListener\ExceptionListener;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.listener.exception', ExceptionListener::class)
diff --git a/src/Symfony/Bundle/Resources/config/symfony/uid.php b/src/Symfony/Bundle/Resources/config/symfony/uid.php
index d1b43ec7552..ae35dd9883c 100644
--- a/src/Symfony/Bundle/Resources/config/symfony/uid.php
+++ b/src/Symfony/Bundle/Resources/config/symfony/uid.php
@@ -16,7 +16,7 @@
 use ApiPlatform\Symfony\UriVariableTransformer\UlidUriVariableTransformer;
 use ApiPlatform\Symfony\UriVariableTransformer\UuidUriVariableTransformer;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.symfony.uri_variables.transformer.ulid', UlidUriVariableTransformer::class)
diff --git a/src/Symfony/Bundle/Resources/config/validator/events.php b/src/Symfony/Bundle/Resources/config/validator/events.php
index c2768a8c77d..c96ee42a3c0 100644
--- a/src/Symfony/Bundle/Resources/config/validator/events.php
+++ b/src/Symfony/Bundle/Resources/config/validator/events.php
@@ -17,7 +17,7 @@
 use ApiPlatform\Symfony\Validator\State\ParameterValidatorProvider;
 use ApiPlatform\Symfony\Validator\State\ValidateProvider;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.state_provider.validate', ValidateProvider::class)
diff --git a/src/Symfony/Bundle/Resources/config/validator/state.php b/src/Symfony/Bundle/Resources/config/validator/state.php
index af407f9184c..9d22c04bcb2 100644
--- a/src/Symfony/Bundle/Resources/config/validator/state.php
+++ b/src/Symfony/Bundle/Resources/config/validator/state.php
@@ -17,7 +17,7 @@
 use ApiPlatform\Symfony\Validator\State\ValidateProcessor;
 use ApiPlatform\Symfony\Validator\State\ValidateProvider;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.state_provider.validate', ValidateProvider::class)
diff --git a/src/Symfony/Bundle/Resources/config/validator/validator.php b/src/Symfony/Bundle/Resources/config/validator/validator.php
index 786221ea971..3cd8af0aac8 100644
--- a/src/Symfony/Bundle/Resources/config/validator/validator.php
+++ b/src/Symfony/Bundle/Resources/config/validator/validator.php
@@ -18,7 +18,7 @@
 use ApiPlatform\Validator\Metadata\Resource\Factory\ParameterValidationResourceMetadataCollectionFactory;
 use ApiPlatform\Validator\ValidatorInterface;
 
-return static function (ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container): void {
     $services = $container->services();
 
     $services->set('api_platform.validator', Validator::class)
diff --git a/src/Symfony/Doctrine/EventListener/PublishMercureUpdatesListener.php b/src/Symfony/Doctrine/EventListener/PublishMercureUpdatesListener.php
index 902f4c52a05..cb5d662fbd2 100644
--- a/src/Symfony/Doctrine/EventListener/PublishMercureUpdatesListener.php
+++ b/src/Symfony/Doctrine/EventListener/PublishMercureUpdatesListener.php
@@ -86,7 +86,7 @@ public function __construct(ResourceClassResolverInterface $resourceClassResolve
                 new ExpressionFunction('get_operation', static fn (string $apiResource, string $name): string => \sprintf('getOperation(%s, %s)', $apiResource, $name), static fn (array $arguments, $apiResource, string $name): Operation => $resourceMetadataFactory->create($resourceClassResolver->getResourceClass($apiResource))->getOperation($name))
             );
             $this->expressionLanguage->addFunction(
-                new ExpressionFunction('iri', static fn (string $apiResource, int $referenceType = UrlGeneratorInterface::ABS_URL, ?string $operation = null): string => \sprintf('iri(%s, %d, %s)', $apiResource, $referenceType, $operation), static fn (array $arguments, $apiResource, int $referenceType = UrlGeneratorInterface::ABS_URL, $operation = null): string => $iriConverter->getIriFromResource($apiResource, $referenceType, $operation))
+                new ExpressionFunction('iri', static fn (string $apiResource, int $referenceType = UrlGeneratorInterface::ABS_URL, ?string $operation = null): string => \sprintf('iri(%s, %d, %s)', $apiResource, $referenceType, $operation), static fn (array $arguments, object|string $apiResource, int $referenceType = UrlGeneratorInterface::ABS_URL, ?Operation $operation = null): string => $iriConverter->getIriFromResource($apiResource, $referenceType, $operation))
             );
         }
     }
diff --git a/src/Symfony/Doctrine/EventListener/PurgeHttpCacheListener.php b/src/Symfony/Doctrine/EventListener/PurgeHttpCacheListener.php
index 8419b496734..b919a0f8b0c 100644
--- a/src/Symfony/Doctrine/EventListener/PurgeHttpCacheListener.php
+++ b/src/Symfony/Doctrine/EventListener/PurgeHttpCacheListener.php
@@ -228,7 +228,7 @@ private function getResourcesForEntity(object $entity): array
                 }
 
                 $resources = array_map(
-                    fn ($mapping) => $this->objectMapper->map($entity, $mapping->target),
+                    fn ($mapping): object => $this->objectMapper->map($entity, $mapping->target),
                     $mappings
                 );
             } else {
@@ -240,7 +240,7 @@ private function getResourcesForEntity(object $entity): array
 
                 // loop over all mappings to fetch all resources mapped to this entity
                 $resources = array_map(
-                    fn ($mapAttribute) => $this->objectMapper->map($entity, $mapAttribute->newInstance()->target),
+                    fn ($mapAttribute): object => $this->objectMapper->map($entity, $mapAttribute->newInstance()->target),
                     $mapAttributes
                 );
             }
diff --git a/src/Symfony/Messenger/DispatchTrait.php b/src/Symfony/Messenger/DispatchTrait.php
index ba16190b3cc..4479a677afa 100644
--- a/src/Symfony/Messenger/DispatchTrait.php
+++ b/src/Symfony/Messenger/DispatchTrait.php
@@ -24,9 +24,6 @@ trait DispatchTrait
 {
     private ?MessageBusInterface $messageBus;
 
-    /**
-     * @param object|Envelope $message
-     */
     private function dispatch(object $message): Envelope
     {
         if (!$this->messageBus instanceof MessageBusInterface) {
diff --git a/src/Symfony/Security/Core/Authorization/ExpressionLanguageProvider.php b/src/Symfony/Security/Core/Authorization/ExpressionLanguageProvider.php
index feb2238a900..4da99da15f6 100644
--- a/src/Symfony/Security/Core/Authorization/ExpressionLanguageProvider.php
+++ b/src/Symfony/Security/Core/Authorization/ExpressionLanguageProvider.php
@@ -26,7 +26,7 @@ final class ExpressionLanguageProvider implements ExpressionFunctionProviderInte
     public function getFunctions(): array
     {
         return [
-            new ExpressionFunction('is_granted', static fn ($attributes, $object = 'null'): string => \sprintf('$auth_checker->isGranted(%s, %s)', $attributes, $object), static fn (array $variables, $attributes, $object = null) => $variables['auth_checker']->isGranted($attributes, $object)),
+            new ExpressionFunction('is_granted', static fn (string $attributes, $object = 'null'): string => \sprintf('$auth_checker->isGranted(%s, %s)', $attributes, $object), static fn (array $variables, $attributes, $object = null) => $variables['auth_checker']->isGranted($attributes, $object)),
         ];
     }
 }
diff --git a/src/Symfony/Tests/Action/DocumentationActionTest.php b/src/Symfony/Tests/Action/DocumentationActionTest.php
index 2595e33b232..c83b7d1bd4d 100644
--- a/src/Symfony/Tests/Action/DocumentationActionTest.php
+++ b/src/Symfony/Tests/Action/DocumentationActionTest.php
@@ -168,13 +168,13 @@ public static function getOpenApiContentTypes(): array
     }
 
     #[DataProvider('getOpenApiContentTypes')]
-    public function testGetOpenApi($contentType): void
+    public function testGetOpenApi(string $contentType): void
     {
         $request = new Request(server: ['CONTENT_TYPE' => $contentType]);
         $openApiFactory = $this->createMock(OpenApiFactoryInterface::class);
         $resourceNameCollectionFactory = $this->createMock(ResourceNameCollectionFactoryInterface::class);
         $provider = $this->createMock(ProviderInterface::class);
-        $provider->expects($this->once())->method('provide')->willReturnCallback(static fn ($operation, $uriVariables, $context) => new OpenApi(new Info('title', '1.0.0'), [], new Paths()));
+        $provider->expects($this->once())->method('provide')->willReturnCallback(static fn ($operation, $uriVariables, $context): OpenApi => new OpenApi(new Info('title', '1.0.0'), [], new Paths()));
         $processor = $this->createMock(ProcessorInterface::class);
         $processor->expects($this->once())->method('process')->willReturnArgument(0);
         $entrypoint = new DocumentationAction($resourceNameCollectionFactory, provider: $provider, processor: $processor, openApiFactory: $openApiFactory);
diff --git a/src/Symfony/Tests/EventListener/ErrorListenerTest.php b/src/Symfony/Tests/EventListener/ErrorListenerTest.php
index 09b8a990248..bc44988067a 100644
--- a/src/Symfony/Tests/EventListener/ErrorListenerTest.php
+++ b/src/Symfony/Tests/EventListener/ErrorListenerTest.php
@@ -49,7 +49,7 @@ public function testDuplicateException(): void
         $resourceClassResolver = $this->createMock(ResourceClassResolverInterface::class);
         $resourceClassResolver->expects($this->once())->method('isResourceClass')->with($exception::class)->willReturn(false);
         $kernel = $this->createStub(KernelInterface::class);
-        $kernel->method('handle')->willReturnCallback(function ($request) {
+        $kernel->method('handle')->willReturnCallback(function ($request): Response {
             $this->assertTrue($request->attributes->has('_api_original_route'));
             $this->assertTrue($request->attributes->has('_api_original_route_params'));
             $this->assertTrue($request->attributes->has('_api_requested_operation'));
@@ -80,7 +80,7 @@ public function testDuplicateExceptionWithHydra(): void
         $resourceClassResolver->expects($this->once())->method('isResourceClass')->with($exception::class)->willReturn(false);
 
         $kernel = $this->createStub(KernelInterface::class);
-        $kernel->method('handle')->willReturnCallback(function ($request) {
+        $kernel->method('handle')->willReturnCallback(function ($request): Response {
             $this->assertTrue($request->attributes->has('_api_original_route'));
             $this->assertTrue($request->attributes->has('_api_original_route_params'));
             $this->assertTrue($request->attributes->has('_api_requested_operation'));
@@ -111,7 +111,7 @@ public function testDuplicateExceptionWithErrorResource(): void
         $resourceClassResolver->expects($this->once())->method('isResourceClass')->with(Error::class)->willReturn(true);
 
         $kernel = $this->createStub(KernelInterface::class);
-        $kernel->method('handle')->willReturnCallback(function ($request) {
+        $kernel->method('handle')->willReturnCallback(function ($request): Response {
             $this->assertTrue($request->attributes->has('_api_original_route'));
             $this->assertTrue($request->attributes->has('_api_original_route_params'));
             $this->assertTrue($request->attributes->has('_api_requested_operation'));
diff --git a/src/Symfony/Tests/Fixtures/TestBundle/Entity/DummyCar.php b/src/Symfony/Tests/Fixtures/TestBundle/Entity/DummyCar.php
index 95d95358302..690780bad47 100644
--- a/src/Symfony/Tests/Fixtures/TestBundle/Entity/DummyCar.php
+++ b/src/Symfony/Tests/Fixtures/TestBundle/Entity/DummyCar.php
@@ -52,10 +52,6 @@ class DummyCar
     #[ORM\Column]
     private string $brand = 'DummyBrand';
 
-    public function __construct()
-    {
-    }
-
     /**
      * Get name.
      */
diff --git a/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaChoiceRestriction.php b/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaChoiceRestriction.php
index f23b20a5d8a..65a9f47a1c3 100644
--- a/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaChoiceRestriction.php
+++ b/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaChoiceRestriction.php
@@ -57,7 +57,7 @@ public function create(Constraint $constraint, ApiProperty $propertyMetadata): a
 
         $restriction['type'] = 'array';
 
-        $types = array_values(array_unique(array_map(static fn (mixed $choice) => \is_string($choice) ? 'string' : 'number', $choices)));
+        $types = array_values(array_unique(array_map(static fn (mixed $choice): string => \is_string($choice) ? 'string' : 'number', $choices)));
 
         if ($count = \count($types)) {
             if (1 === $count) {
@@ -97,7 +97,7 @@ public function supports(Constraint $constraint, ApiProperty $propertyMetadata):
                 return true;
             }
 
-            if ($nativeType->isSatisfiedBy(static fn ($t) => $t instanceof CollectionType)) {
+            if ($nativeType->isSatisfiedBy(static fn ($t): bool => $t instanceof CollectionType)) {
                 if (null !== ($collectionValueType = TypeHelper::getCollectionValueType($nativeType)) && $isValidScalarType($collectionValueType)) {
                     return true;
                 }
@@ -106,7 +106,7 @@ public function supports(Constraint $constraint, ApiProperty $propertyMetadata):
             return false;
         }
 
-        $types = array_map(static fn (LegacyType $type) => $type->getBuiltinType(), $propertyMetadata->getBuiltinTypes() ?? []);
+        $types = array_map(static fn (LegacyType $type): string => $type->getBuiltinType(), $propertyMetadata->getBuiltinTypes() ?? []);
         if ($propertyMetadata->getExtraProperties()['nested_schema'] ?? false) {
             $types = [LegacyType::BUILTIN_TYPE_STRING];
         }
@@ -116,7 +116,7 @@ public function supports(Constraint $constraint, ApiProperty $propertyMetadata):
             && $builtinType->isCollection()
             && \count($builtinType->getCollectionValueTypes()) > 0
         ) {
-            $types = array_unique(array_merge($types, array_map(static fn (LegacyType $type) => $type->getBuiltinType(), $builtinType->getCollectionValueTypes())));
+            $types = array_unique(array_merge($types, array_map(static fn (LegacyType $type): string => $type->getBuiltinType(), $builtinType->getCollectionValueTypes())));
         }
 
         return \count($types) > 0 && \count(array_intersect($types, [LegacyType::BUILTIN_TYPE_STRING, LegacyType::BUILTIN_TYPE_INT, LegacyType::BUILTIN_TYPE_FLOAT])) > 0;
diff --git a/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaCssColorRestriction.php b/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaCssColorRestriction.php
index 360cf1f6dbb..2979d95e532 100644
--- a/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaCssColorRestriction.php
+++ b/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaCssColorRestriction.php
@@ -62,7 +62,7 @@ public function create(Constraint $constraint, ApiProperty $propertyMetadata): a
     {
         return [
             'pattern' => '^('.implode('|', array_map(
-                static fn ($format) => trim(self::COLOR_PATTERNS[$format], '/iD^$'),
+                static fn ($format): string => trim(self::COLOR_PATTERNS[$format], '/iD^$'),
                 (array) $constraint->formats
             )).')$',
         ];
diff --git a/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaGreaterThanOrEqualRestriction.php b/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaGreaterThanOrEqualRestriction.php
index 7d8c9d05428..b6f126067c7 100644
--- a/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaGreaterThanOrEqualRestriction.php
+++ b/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaGreaterThanOrEqualRestriction.php
@@ -52,7 +52,7 @@ public function supports(Constraint $constraint, ApiProperty $propertyMetadata):
             return $type->isIdentifiedBy(TypeIdentifier::INT, TypeIdentifier::FLOAT);
         }
 
-        $types = array_map(static fn (LegacyType $type) => $type->getBuiltinType(), $propertyMetadata->getBuiltinTypes() ?? []);
+        $types = array_map(static fn (LegacyType $type): string => $type->getBuiltinType(), $propertyMetadata->getBuiltinTypes() ?? []);
         if ($propertyMetadata->getExtraProperties()['nested_schema'] ?? false) {
             $types = [LegacyType::BUILTIN_TYPE_INT];
         }
diff --git a/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaGreaterThanRestriction.php b/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaGreaterThanRestriction.php
index 0e33eca2ea7..d0cf10fa461 100644
--- a/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaGreaterThanRestriction.php
+++ b/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaGreaterThanRestriction.php
@@ -56,7 +56,7 @@ public function supports(Constraint $constraint, ApiProperty $propertyMetadata):
             return $type->isIdentifiedBy(TypeIdentifier::INT, TypeIdentifier::FLOAT);
         }
 
-        $types = array_map(static fn (LegacyType $type) => $type->getBuiltinType(), $propertyMetadata->getBuiltinTypes() ?? []);
+        $types = array_map(static fn (LegacyType $type): string => $type->getBuiltinType(), $propertyMetadata->getBuiltinTypes() ?? []);
         if ($propertyMetadata->getExtraProperties()['nested_schema'] ?? false) {
             $types = [LegacyType::BUILTIN_TYPE_INT];
         }
diff --git a/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaLengthRestriction.php b/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaLengthRestriction.php
index 07b2f76d588..6927399c859 100644
--- a/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaLengthRestriction.php
+++ b/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaLengthRestriction.php
@@ -59,7 +59,7 @@ public function supports(Constraint $constraint, ApiProperty $propertyMetadata):
             return $constraint instanceof Length && $type?->isIdentifiedBy(TypeIdentifier::STRING);
         }
 
-        $types = array_map(static fn (LegacyType $type) => $type->getBuiltinType(), $propertyMetadata->getBuiltinTypes() ?? []);
+        $types = array_map(static fn (LegacyType $type): string => $type->getBuiltinType(), $propertyMetadata->getBuiltinTypes() ?? []);
         if ($propertyMetadata->getExtraProperties()['nested_schema'] ?? false) {
             $types = [LegacyType::BUILTIN_TYPE_STRING];
         }
diff --git a/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaLessThanOrEqualRestriction.php b/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaLessThanOrEqualRestriction.php
index f1141818a07..c6e4a26744f 100644
--- a/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaLessThanOrEqualRestriction.php
+++ b/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaLessThanOrEqualRestriction.php
@@ -55,7 +55,7 @@ public function supports(Constraint $constraint, ApiProperty $propertyMetadata):
             return $type->isIdentifiedBy(TypeIdentifier::INT, TypeIdentifier::FLOAT);
         }
 
-        $types = array_map(static fn (LegacyType $type) => $type->getBuiltinType(), $propertyMetadata->getBuiltinTypes() ?? []);
+        $types = array_map(static fn (LegacyType $type): string => $type->getBuiltinType(), $propertyMetadata->getBuiltinTypes() ?? []);
         if ($propertyMetadata->getExtraProperties()['nested_schema'] ?? false) {
             $types = [LegacyType::BUILTIN_TYPE_INT];
         }
diff --git a/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaLessThanRestriction.php b/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaLessThanRestriction.php
index 7af4d9f7567..74a7a0c498a 100644
--- a/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaLessThanRestriction.php
+++ b/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaLessThanRestriction.php
@@ -53,7 +53,7 @@ public function supports(Constraint $constraint, ApiProperty $propertyMetadata):
             return $type->isIdentifiedBy(TypeIdentifier::INT, TypeIdentifier::FLOAT);
         }
 
-        $types = array_map(static fn (LegacyType $type) => $type->getBuiltinType(), $propertyMetadata->getBuiltinTypes() ?? []);
+        $types = array_map(static fn (LegacyType $type): string => $type->getBuiltinType(), $propertyMetadata->getBuiltinTypes() ?? []);
         if ($propertyMetadata->getExtraProperties()['nested_schema'] ?? false) {
             $types = [LegacyType::BUILTIN_TYPE_INT];
         }
diff --git a/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaRangeRestriction.php b/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaRangeRestriction.php
index 833af136c6d..caa971f5797 100644
--- a/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaRangeRestriction.php
+++ b/src/Symfony/Validator/Metadata/Property/Restriction/PropertySchemaRangeRestriction.php
@@ -63,7 +63,7 @@ public function supports(Constraint $constraint, ApiProperty $propertyMetadata):
             return $type->isIdentifiedBy(TypeIdentifier::INT, TypeIdentifier::FLOAT);
         }
 
-        $types = array_map(static fn (LegacyType $type) => $type->getBuiltinType(), $propertyMetadata->getBuiltinTypes() ?? []);
+        $types = array_map(static fn (LegacyType $type): string => $type->getBuiltinType(), $propertyMetadata->getBuiltinTypes() ?? []);
         if ($propertyMetadata->getExtraProperties()['nested_schema'] ?? false) {
             $types = [LegacyType::BUILTIN_TYPE_INT];
         }
diff --git a/src/Symfony/Validator/State/ErrorProvider.php b/src/Symfony/Validator/State/ErrorProvider.php
index 3b813f377ec..81457954475 100644
--- a/src/Symfony/Validator/State/ErrorProvider.php
+++ b/src/Symfony/Validator/State/ErrorProvider.php
@@ -24,10 +24,6 @@
  */
 final class ErrorProvider implements ProviderInterface
 {
-    public function __construct()
-    {
-    }
-
     public function provide(Operation $operation, array $uriVariables = [], array $context = []): ConstraintViolationListInterface|\Throwable
     {
         if (!($request = $context['request'] ?? null) || !$operation instanceof HttpOperation) {
diff --git a/src/Validator/Util/ParameterValidationConstraints.php b/src/Validator/Util/ParameterValidationConstraints.php
index b1f4ffb7fc6..6a8c641704d 100644
--- a/src/Validator/Util/ParameterValidationConstraints.php
+++ b/src/Validator/Util/ParameterValidationConstraints.php
@@ -102,7 +102,7 @@ public static function getParameterValidationConstraints(Parameter $parameter, ?
             $assertions[] = new Choice(choices: $schema['enum']);
         }
 
-        $isCollectionType = static fn ($t) => $t instanceof CollectionType;
+        $isCollectionType = static fn ($t): bool => $t instanceof CollectionType;
         $isCollection = $parameter->getNativeType()?->isSatisfiedBy($isCollectionType) ?? false;
 
         // type-info 7.2
diff --git a/tests/Behat/CoverageContext.php b/tests/Behat/CoverageContext.php
index ee5c171cd3d..bb82d27241a 100644
--- a/tests/Behat/CoverageContext.php
+++ b/tests/Behat/CoverageContext.php
@@ -30,10 +30,7 @@
  */
 final class CoverageContext implements Context
 {
-    /**
-     * @var CodeCoverage
-     */
-    private static $coverage;
+    private static ?CodeCoverage $coverage = null;
 
     /**
      * @BeforeSuite
diff --git a/tests/Behat/GraphqlContext.php b/tests/Behat/GraphqlContext.php
index ca644baaff9..b59c5bc46b2 100644
--- a/tests/Behat/GraphqlContext.php
+++ b/tests/Behat/GraphqlContext.php
@@ -34,9 +34,7 @@ final class GraphqlContext implements Context
     private ?RestContext $restContext = null;
     private ?JsonContext $jsonContext = null;
 
-    private array $graphqlRequest;
-
-    private ?int $graphqlLine = null; // @phpstan-ignore-line
+    private array $graphqlRequest; // @phpstan-ignore-line
 
     public function __construct(private readonly Request $request)
     {
@@ -65,7 +63,6 @@ public function gatherContexts(BeforeScenarioScope $scope): void
     public function IHaveTheFollowingGraphqlRequest(PyStringNode $request): void
     {
         $this->graphqlRequest = ['query' => $request->getRaw()];
-        $this->graphqlLine = $request->getLine();
     }
 
     /**
diff --git a/tests/Behat/JsonContext.php b/tests/Behat/JsonContext.php
index 4450465fd08..5e2b315eb07 100644
--- a/tests/Behat/JsonContext.php
+++ b/tests/Behat/JsonContext.php
@@ -17,17 +17,11 @@
 use Behat\Gherkin\Node\PyStringNode;
 use Behat\Mink\Exception\ExpectationException;
 use Behatch\Context\JsonContext as BaseJsonContext;
-use Behatch\HttpCall\HttpCallResultPool;
 use Behatch\Json\Json;
 use PHPUnit\Framework\Assert;
 
 final class JsonContext extends BaseJsonContext
 {
-    public function __construct(HttpCallResultPool $httpCallResultPool)
-    {
-        parent::__construct($httpCallResultPool);
-    }
-
     /**
      * @Then the JSON node :node should contain:
      */
diff --git a/tests/Fixtures/DummyObjectWithOnlyPrivateProperty.php b/tests/Fixtures/DummyObjectWithOnlyPrivateProperty.php
index cdf40afef7f..0e23b22193b 100644
--- a/tests/Fixtures/DummyObjectWithOnlyPrivateProperty.php
+++ b/tests/Fixtures/DummyObjectWithOnlyPrivateProperty.php
@@ -15,5 +15,5 @@
 
 class DummyObjectWithOnlyPrivateProperty
 {
-    private $foo; // @phpstan-ignore-line
+    // @phpstan-ignore-line
 }
diff --git a/tests/Fixtures/Query.php b/tests/Fixtures/Query.php
index 712138dc990..5e9d31a09ef 100644
--- a/tests/Fixtures/Query.php
+++ b/tests/Fixtures/Query.php
@@ -45,7 +45,7 @@ public function setParameters($parameters): self
         return $this;
     }
 
-    public function getParameters()
+    public function getParameters(): ArrayCollection
     {
         return new ArrayCollection();
     }
@@ -55,12 +55,12 @@ public function setCacheable($cacheable): self
         return $this;
     }
 
-    public function getHints()
+    public function getHints(): array
     {
         return [];
     }
 
-    public function getFetchJoinCollection()
+    public function getFetchJoinCollection(): bool
     {
         return false;
     }
diff --git a/tests/Fixtures/TestBundle/Action/ConfigCustom.php b/tests/Fixtures/TestBundle/Action/ConfigCustom.php
index b028383246e..4eb79510d13 100644
--- a/tests/Fixtures/TestBundle/Action/ConfigCustom.php
+++ b/tests/Fixtures/TestBundle/Action/ConfigCustom.php
@@ -29,7 +29,7 @@ public function __construct(private readonly ProviderInterface $provider)
     {
     }
 
-    public function __invoke(Request $request, $id)
+    public function __invoke(Request $request, $id): object|array|null
     {
         $attributes = RequestAttributesExtractor::extractAttributes($request);
 
diff --git a/tests/Fixtures/TestBundle/ApiResource/IsGrantedTestResource.php b/tests/Fixtures/TestBundle/ApiResource/IsGrantedTestResource.php
index c7d8687373c..52991fb56d9 100644
--- a/tests/Fixtures/TestBundle/ApiResource/IsGrantedTestResource.php
+++ b/tests/Fixtures/TestBundle/ApiResource/IsGrantedTestResource.php
@@ -34,12 +34,12 @@ public function getId(): ?int
         return $this->id;
     }
 
-    public static function provide(Operation $operation, array $uriVariables = [], array $context = [])
+    public static function provide(Operation $operation, array $uriVariables = [], array $context = []): self
     {
         return new self();
     }
 
-    public static function provideShouldNotBeCalled(Operation $operation, array $uriVariables = [], array $context = [])
+    public static function provideShouldNotBeCalled(Operation $operation, array $uriVariables = [], array $context = []): never
     {
         throw new \RuntimeException('provider should not get called');
     }
diff --git a/tests/Fixtures/TestBundle/ApiResource/Issue6264/BackedEnumStringTrait.php b/tests/Fixtures/TestBundle/ApiResource/Issue6264/BackedEnumStringTrait.php
index f6f90be4cc7..920ae0c12cb 100644
--- a/tests/Fixtures/TestBundle/ApiResource/Issue6264/BackedEnumStringTrait.php
+++ b/tests/Fixtures/TestBundle/ApiResource/Issue6264/BackedEnumStringTrait.php
@@ -20,7 +20,7 @@ trait BackedEnumStringTrait
 {
     public static function values(): array
     {
-        return array_map(static fn (\BackedEnum $feature) => $feature->value, self::cases());
+        return array_map(static fn (\BackedEnum $feature): string => $feature->value, self::cases());
     }
 
     public function getId(): string
@@ -44,6 +44,6 @@ public static function getCases(): array
      */
     public static function getCase(Operation $operation, array $uriVariables): ?self
     {
-        return array_reduce(self::cases(), static fn ($c, \BackedEnum $case) => $case->value == $uriVariables['id'] ? $case : $c, null);
+        return array_reduce(self::cases(), static fn ($c, \BackedEnum $case) => $case->value == $uriVariables['id'] ? $case : $c);
     }
 }
diff --git a/tests/Fixtures/TestBundle/ApiResource/Issue6264/BackedEnumTrait.php b/tests/Fixtures/TestBundle/ApiResource/Issue6264/BackedEnumTrait.php
index 3bd48c3ebd5..ddb56591ce1 100644
--- a/tests/Fixtures/TestBundle/ApiResource/Issue6264/BackedEnumTrait.php
+++ b/tests/Fixtures/TestBundle/ApiResource/Issue6264/BackedEnumTrait.php
@@ -20,7 +20,7 @@ trait BackedEnumTrait
 {
     public static function values(): array
     {
-        return array_map(static fn (\BackedEnum $feature) => $feature->value, self::cases());
+        return array_map(static fn (\BackedEnum $feature): int => $feature->value, self::cases());
     }
 
     public function getId(): int
@@ -44,6 +44,6 @@ public static function getCases(): array
      */
     public static function getCase(Operation $operation, array $uriVariables): ?self
     {
-        return array_reduce(self::cases(), static fn ($c, \BackedEnum $case) => $case->value == $uriVariables['id'] ? $case : $c, null);
+        return array_reduce(self::cases(), static fn ($c, \BackedEnum $case) => $case->value == $uriVariables['id'] ? $case : $c);
     }
 }
diff --git a/tests/Fixtures/TestBundle/ApiResource/Issue6427/SecurityAfterResolver.php b/tests/Fixtures/TestBundle/ApiResource/Issue6427/SecurityAfterResolver.php
index c94cce04c91..42b697343fa 100644
--- a/tests/Fixtures/TestBundle/ApiResource/Issue6427/SecurityAfterResolver.php
+++ b/tests/Fixtures/TestBundle/ApiResource/Issue6427/SecurityAfterResolver.php
@@ -32,7 +32,7 @@ public function __construct(public ?string $id, public ?string $name)
     {
     }
 
-    public static function provide()
+    public static function provide(): self
     {
         return new self('1', '1');
     }
diff --git a/tests/Fixtures/TestBundle/ApiResource/Issue7432/OriginalDataWithListeners.php b/tests/Fixtures/TestBundle/ApiResource/Issue7432/OriginalDataWithListeners.php
index bc1b3fe2cb5..c68ce4cbe5a 100644
--- a/tests/Fixtures/TestBundle/ApiResource/Issue7432/OriginalDataWithListeners.php
+++ b/tests/Fixtures/TestBundle/ApiResource/Issue7432/OriginalDataWithListeners.php
@@ -29,7 +29,7 @@ public function __construct(public string $uuid, public ?string $code = null)
     {
     }
 
-    public static function process($data, Operation $operation, array $uriVariables = [], array $context = [])
+    public static function process($data, Operation $operation, array $uriVariables = [], array $context = []): self
     {
         \assert($data instanceof UserVerifyInput);
         \assert($context['previous_data'] instanceof self);
@@ -44,7 +44,7 @@ public static function process($data, Operation $operation, array $uriVariables
         return $context['previous_data'];
     }
 
-    public static function provide(Operation $operation, array $uriVariables = [], array $context = [])
+    public static function provide(Operation $operation, array $uriVariables = [], array $context = []): self
     {
         return new self($uriVariables['uuid']);
     }
diff --git a/tests/Fixtures/TestBundle/ApiResource/Issue7469TestResource.php b/tests/Fixtures/TestBundle/ApiResource/Issue7469TestResource.php
index 29027b10633..8188f703144 100644
--- a/tests/Fixtures/TestBundle/ApiResource/Issue7469TestResource.php
+++ b/tests/Fixtures/TestBundle/ApiResource/Issue7469TestResource.php
@@ -43,7 +43,7 @@ final class Issue7469TestResource
     /**
      * @param HttpOperation $operation
      */
-    public static function provide(Operation $operation, array $uriVariables = [], array $context = [])
+    public static function provide(Operation $operation): self
     {
         /** @var Issue7469Dummy $dummy */
         $dummy = $operation->getUriVariables()['id']->getValue();
diff --git a/tests/Fixtures/TestBundle/ApiResource/LinkParameterProviderResource.php b/tests/Fixtures/TestBundle/ApiResource/LinkParameterProviderResource.php
index 8d1f72d68e8..3f9bdca8d84 100644
--- a/tests/Fixtures/TestBundle/ApiResource/LinkParameterProviderResource.php
+++ b/tests/Fixtures/TestBundle/ApiResource/LinkParameterProviderResource.php
@@ -38,7 +38,7 @@ class LinkParameterProviderResource
     /**
      * @param HttpOperation $operation
      */
-    public static function provide(Operation $operation, array $uriVariables = [])
+    public static function provide(Operation $operation, array $uriVariables = []): self
     {
         $d = new self();
         $d->id = '1';
diff --git a/tests/Fixtures/TestBundle/ApiResource/MappedResourceNoMap.php b/tests/Fixtures/TestBundle/ApiResource/MappedResourceNoMap.php
index 1f2ce644de3..5d931a4bc19 100644
--- a/tests/Fixtures/TestBundle/ApiResource/MappedResourceNoMap.php
+++ b/tests/Fixtures/TestBundle/ApiResource/MappedResourceNoMap.php
@@ -35,7 +35,7 @@ public function __construct(public ?int $id = null, public ?string $name = null)
     {
     }
 
-    public static function provide(Operation $operation, array $uriVariables = [])
+    public static function provide(Operation $operation, array $uriVariables = []): self
     {
         return new self($uriVariables['id'], 'test name');
     }
diff --git a/tests/Fixtures/TestBundle/ApiResource/MappedResourceWithInput.php b/tests/Fixtures/TestBundle/ApiResource/MappedResourceWithInput.php
index f85e218fc39..5f14e31ed9b 100644
--- a/tests/Fixtures/TestBundle/ApiResource/MappedResourceWithInput.php
+++ b/tests/Fixtures/TestBundle/ApiResource/MappedResourceWithInput.php
@@ -15,7 +15,6 @@
 
 use ApiPlatform\Doctrine\Orm\State\Options;
 use ApiPlatform\JsonLd\ContextBuilder;
-use ApiPlatform\Metadata\Operation;
 use ApiPlatform\Metadata\Post;
 use ApiPlatform\Tests\Fixtures\TestBundle\Dto\MappedResouceInput;
 use ApiPlatform\Tests\Fixtures\TestBundle\Entity\MappedEntity;
@@ -35,7 +34,7 @@ final class MappedResourceWithInput
     public ?string $id = null;
     public string $username;
 
-    public static function process(mixed $data, Operation $operation, array $uriVariables = [], array $context = [])
+    public static function process(mixed $data): self
     {
         $s = new self();
         $s->id = $data->id;
diff --git a/tests/Fixtures/TestBundle/ApiResource/PostWithUriVariables.php b/tests/Fixtures/TestBundle/ApiResource/PostWithUriVariables.php
index 4c3f36bb2c5..f4456840c10 100644
--- a/tests/Fixtures/TestBundle/ApiResource/PostWithUriVariables.php
+++ b/tests/Fixtures/TestBundle/ApiResource/PostWithUriVariables.php
@@ -32,7 +32,7 @@ public static function process(): self
         return new self(id: 1);
     }
 
-    public static function provide(): void
+    public static function provide(): never
     {
         throw new ValidationException(new ConstraintViolationList());
     }
diff --git a/tests/Fixtures/TestBundle/ApiResource/Product.php b/tests/Fixtures/TestBundle/ApiResource/Product.php
index c5f7dba9ab3..eb327954b73 100644
--- a/tests/Fixtures/TestBundle/ApiResource/Product.php
+++ b/tests/Fixtures/TestBundle/ApiResource/Product.php
@@ -43,7 +43,7 @@ class Product
     #[ApiProperty(property: 'name', iris: ['https://schema.org/name'])]
     public string $name;
 
-    public static function provide()
+    public static function provide(): self
     {
         $s = new self();
         $s->code = 'test';
diff --git a/tests/Fixtures/TestBundle/ApiResource/StrictParameters.php b/tests/Fixtures/TestBundle/ApiResource/StrictParameters.php
index c51a079ea00..93416952c43 100644
--- a/tests/Fixtures/TestBundle/ApiResource/StrictParameters.php
+++ b/tests/Fixtures/TestBundle/ApiResource/StrictParameters.php
@@ -28,7 +28,7 @@ class StrictParameters
 {
     public string $id;
 
-    public static function provider()
+    public static function provider(): self
     {
         return new self();
     }
diff --git a/tests/Fixtures/TestBundle/ApiResource/SubresourceCategory.php b/tests/Fixtures/TestBundle/ApiResource/SubresourceCategory.php
index 66eaf24a9e1..13a1833455f 100644
--- a/tests/Fixtures/TestBundle/ApiResource/SubresourceCategory.php
+++ b/tests/Fixtures/TestBundle/ApiResource/SubresourceCategory.php
@@ -36,7 +36,7 @@ public function __construct(
     ) {
     }
 
-    public static function provideNull()
+    public static function provideNull(): null
     {
         return null;
     }
diff --git a/tests/Fixtures/TestBundle/ApiResource/ValidateParameterBeforeProvider.php b/tests/Fixtures/TestBundle/ApiResource/ValidateParameterBeforeProvider.php
index c6b657af389..1b426241106 100644
--- a/tests/Fixtures/TestBundle/ApiResource/ValidateParameterBeforeProvider.php
+++ b/tests/Fixtures/TestBundle/ApiResource/ValidateParameterBeforeProvider.php
@@ -38,7 +38,7 @@
 )]
 class ValidateParameterBeforeProvider
 {
-    public static function provide(Operation $operation, array $uriVariables = [], array $context = [])
+    public static function provide(Operation $operation, array $uriVariables = [], array $context = []): JsonResponse
     {
         if (!$context['request']->query->get('search')) {
             throw new \RuntimeException('Not supposed to happen');
diff --git a/tests/Fixtures/TestBundle/ApiResource/WithParameter.php b/tests/Fixtures/TestBundle/ApiResource/WithParameter.php
index 9c4f3c01304..06d10da42aa 100644
--- a/tests/Fixtures/TestBundle/ApiResource/WithParameter.php
+++ b/tests/Fixtures/TestBundle/ApiResource/WithParameter.php
@@ -360,12 +360,12 @@ class WithParameter
     #[Groups(['b', 'custom'])]
     public $b = 'bar';
 
-    public static function collectionProvider()
+    public static function collectionProvider(): array
     {
         return [new self()];
     }
 
-    public static function provide()
+    public static function provide(): self
     {
         return new self();
     }
diff --git a/tests/Fixtures/TestBundle/ApiResource/WithSecurityParameter.php b/tests/Fixtures/TestBundle/ApiResource/WithSecurityParameter.php
index 4707c359fe9..97b1f0ed31b 100644
--- a/tests/Fixtures/TestBundle/ApiResource/WithSecurityParameter.php
+++ b/tests/Fixtures/TestBundle/ApiResource/WithSecurityParameter.php
@@ -30,7 +30,7 @@
 )]
 class WithSecurityParameter
 {
-    public static function collectionProvider()
+    public static function collectionProvider(): array
     {
         return [new self()];
     }
diff --git a/tests/Fixtures/TestBundle/Controller/DummyDtoNoInput/CreateItemAction.php b/tests/Fixtures/TestBundle/Controller/DummyDtoNoInput/CreateItemAction.php
index 70650f57b3d..1c2bb33e4b7 100644
--- a/tests/Fixtures/TestBundle/Controller/DummyDtoNoInput/CreateItemAction.php
+++ b/tests/Fixtures/TestBundle/Controller/DummyDtoNoInput/CreateItemAction.php
@@ -19,7 +19,7 @@
 
 final class CreateItemAction
 {
-    public function __invoke(Request $request)
+    public function __invoke(Request $request): DummyDtoNoInput|DummyDtoNoInputDocument
     {
         $resourceClass = $request->attributes->get('_api_resource_class');
         if (!\in_array($resourceClass, [DummyDtoNoInput::class, DummyDtoNoInputDocument::class], true)) {
diff --git a/tests/Fixtures/TestBundle/Controller/DummyDtoNoInput/DoubleBatAction.php b/tests/Fixtures/TestBundle/Controller/DummyDtoNoInput/DoubleBatAction.php
index 894568a5385..756fce2b22a 100644
--- a/tests/Fixtures/TestBundle/Controller/DummyDtoNoInput/DoubleBatAction.php
+++ b/tests/Fixtures/TestBundle/Controller/DummyDtoNoInput/DoubleBatAction.php
@@ -18,7 +18,7 @@
 
 final class DoubleBatAction
 {
-    public function __invoke($data)
+    public function __invoke($data): DummyDtoNoInput|DummyDtoNoInputDocument
     {
         if (!$data instanceof DummyDtoNoInput && !$data instanceof DummyDtoNoInputDocument) {
             throw new \InvalidArgumentException();
diff --git a/tests/Fixtures/TestBundle/Controller/Payment/VoidPaymentAction.php b/tests/Fixtures/TestBundle/Controller/Payment/VoidPaymentAction.php
index 9642ce86eb9..f93c471c6e2 100644
--- a/tests/Fixtures/TestBundle/Controller/Payment/VoidPaymentAction.php
+++ b/tests/Fixtures/TestBundle/Controller/Payment/VoidPaymentAction.php
@@ -18,7 +18,7 @@
 
 final class VoidPaymentAction
 {
-    public function __invoke($data)
+    public function __invoke($data): \ApiPlatform\Tests\Fixtures\TestBundle\Entity\VoidPayment|\ApiPlatform\Tests\Fixtures\TestBundle\Document\VoidPayment|null
     {
         if (!$data instanceof Payment && !$data instanceof PaymentDocument) {
             throw new \InvalidArgumentException();
diff --git a/tests/Fixtures/TestBundle/Doctrine/Generator/Uuid.php b/tests/Fixtures/TestBundle/Doctrine/Generator/Uuid.php
index 125556e808b..ac659e283c9 100644
--- a/tests/Fixtures/TestBundle/Doctrine/Generator/Uuid.php
+++ b/tests/Fixtures/TestBundle/Doctrine/Generator/Uuid.php
@@ -17,10 +17,6 @@ class Uuid implements \JsonSerializable, \Stringable
 {
     private string $id = 'foo';
 
-    public function __construct()
-    {
-    }
-
     public function __toString(): string
     {
         return $this->id;
diff --git a/tests/Fixtures/TestBundle/Document/ArrayFilterValidator.php b/tests/Fixtures/TestBundle/Document/ArrayFilterValidator.php
index 22da35f4a03..7595f5a29b8 100644
--- a/tests/Fixtures/TestBundle/Document/ArrayFilterValidator.php
+++ b/tests/Fixtures/TestBundle/Document/ArrayFilterValidator.php
@@ -40,7 +40,7 @@ public function getId(): ?int
         return $this->id;
     }
 
-    public function setName($name): void
+    public function setName(?string $name): void
     {
         $this->name = $name;
     }
diff --git a/tests/Fixtures/TestBundle/Document/CompositeLabel.php b/tests/Fixtures/TestBundle/Document/CompositeLabel.php
index 5794548455d..54f17cd9dec 100644
--- a/tests/Fixtures/TestBundle/Document/CompositeLabel.php
+++ b/tests/Fixtures/TestBundle/Document/CompositeLabel.php
@@ -51,7 +51,7 @@ public function getValue(): ?string
      *
      * @param string|null $value the value to set
      */
-    public function setValue($value = null): void
+    public function setValue(?string $value = null): void
     {
         $this->value = $value;
     }
diff --git a/tests/Fixtures/TestBundle/Document/CompositeRelation.php b/tests/Fixtures/TestBundle/Document/CompositeRelation.php
index cf0a9547b37..5cacb7a9a9d 100644
--- a/tests/Fixtures/TestBundle/Document/CompositeRelation.php
+++ b/tests/Fixtures/TestBundle/Document/CompositeRelation.php
@@ -57,7 +57,7 @@ public function getValue(): ?string
      *
      * @param string|null $value the value to set
      */
-    public function setValue($value = null): void
+    public function setValue(?string $value = null): void
     {
         $this->value = $value;
     }
diff --git a/tests/Fixtures/TestBundle/Document/ConcreteDummy.php b/tests/Fixtures/TestBundle/Document/ConcreteDummy.php
index 0e10bad5d7b..9008bde6498 100644
--- a/tests/Fixtures/TestBundle/Document/ConcreteDummy.php
+++ b/tests/Fixtures/TestBundle/Document/ConcreteDummy.php
@@ -30,7 +30,7 @@ class ConcreteDummy extends AbstractDummy
     #[ODM\Field]
     private ?string $instance = null;
 
-    public function setInstance($instance): void
+    public function setInstance(?string $instance): void
     {
         $this->instance = $instance;
     }
diff --git a/tests/Fixtures/TestBundle/Document/CustomIdentifierDummy.php b/tests/Fixtures/TestBundle/Document/CustomIdentifierDummy.php
index bb26debd0d7..14b7622adcb 100644
--- a/tests/Fixtures/TestBundle/Document/CustomIdentifierDummy.php
+++ b/tests/Fixtures/TestBundle/Document/CustomIdentifierDummy.php
@@ -44,10 +44,7 @@ public function getName(): string
         return $this->name;
     }
 
-    /**
-     * @param string $name
-     */
-    public function setName($name): void
+    public function setName(?string $name): void
     {
         $this->name = $name;
     }
diff --git a/tests/Fixtures/TestBundle/Document/CustomNormalizedDummy.php b/tests/Fixtures/TestBundle/Document/CustomNormalizedDummy.php
index 27354bceaa6..5785f5e9e73 100644
--- a/tests/Fixtures/TestBundle/Document/CustomNormalizedDummy.php
+++ b/tests/Fixtures/TestBundle/Document/CustomNormalizedDummy.php
@@ -57,10 +57,7 @@ public function getId(): ?int
         return $this->id;
     }
 
-    /**
-     * @param string $name
-     */
-    public function setName($name): void
+    public function setName(?string $name): void
     {
         $this->name = $name;
     }
@@ -75,10 +72,7 @@ public function getAlias(): ?string
         return $this->alias;
     }
 
-    /**
-     * @param string $alias
-     */
-    public function setAlias($alias): void
+    public function setAlias(?string $alias): void
     {
         $this->alias = $alias;
     }
@@ -88,10 +82,7 @@ public function getPersonalizedAlias(): ?string
         return $this->alias;
     }
 
-    /**
-     * @param string $value
-     */
-    public function setPersonalizedAlias($value): void
+    public function setPersonalizedAlias(?string $value): void
     {
         $this->alias = $value;
     }
diff --git a/tests/Fixtures/TestBundle/Document/CustomWritableIdentifierDummy.php b/tests/Fixtures/TestBundle/Document/CustomWritableIdentifierDummy.php
index a9abf458479..8299767f7b8 100644
--- a/tests/Fixtures/TestBundle/Document/CustomWritableIdentifierDummy.php
+++ b/tests/Fixtures/TestBundle/Document/CustomWritableIdentifierDummy.php
@@ -34,10 +34,7 @@ class CustomWritableIdentifierDummy
     #[ODM\Field(name: 'name', type: 'string')]
     private ?string $name = null;
 
-    /**
-     * @param string $slug
-     */
-    public function setSlug($slug): void
+    public function setSlug(?string $slug): void
     {
         $this->slug = $slug;
     }
@@ -52,10 +49,7 @@ public function getName(): string
         return $this->name;
     }
 
-    /**
-     * @param string $name
-     */
-    public function setName($name): void
+    public function setName(?string $name): void
     {
         $this->name = $name;
     }
diff --git a/tests/Fixtures/TestBundle/Document/Dummy.php b/tests/Fixtures/TestBundle/Document/Dummy.php
index c47a817705f..17842a398bb 100644
--- a/tests/Fixtures/TestBundle/Document/Dummy.php
+++ b/tests/Fixtures/TestBundle/Document/Dummy.php
@@ -83,7 +83,7 @@ class Dummy
     #[Context(denormalizationContext: ['datetime_format' => 'Y-m-d'])]
     #[ApiProperty(iris: ['https://schema.org/DateTime'])]
     #[ODM\Field(type: 'date', nullable: true)]
-    private $dummyDateWithFormat;
+    private ?\DateTime $dummyDateWithFormat;
     /**
      * @var float|null A dummy float
      */
@@ -133,7 +133,7 @@ public function getId(): ?int
         return $this->id;
     }
 
-    public function setId($id): void
+    public function setId(?int $id): void
     {
         $this->id = $id;
     }
@@ -188,12 +188,12 @@ public function getDummyDate()
         return $this->dummyDate;
     }
 
-    public function getDummyDateWithFormat()
+    public function getDummyDateWithFormat(): ?\DateTime
     {
         return $this->dummyDateWithFormat;
     }
 
-    public function setDummyPrice($dummyPrice)
+    public function setDummyPrice($dummyPrice): static
     {
         $this->dummyPrice = $dummyPrice;
 
diff --git a/tests/Fixtures/TestBundle/Document/DummyCarColor.php b/tests/Fixtures/TestBundle/Document/DummyCarColor.php
index 6921b5ff51a..a86c8c95d4a 100644
--- a/tests/Fixtures/TestBundle/Document/DummyCarColor.php
+++ b/tests/Fixtures/TestBundle/Document/DummyCarColor.php
@@ -48,10 +48,7 @@ public function getCar(): ?DummyCar
         return $this->car;
     }
 
-    /**
-     * @return static
-     */
-    public function setCar(DummyCar $car)
+    public function setCar(DummyCar $car): static
     {
         $this->car = $car;
 
@@ -63,12 +60,7 @@ public function getProp(): string
         return $this->prop;
     }
 
-    /**
-     * @param string $prop
-     *
-     * @return static
-     */
-    public function setProp($prop)
+    public function setProp(string $prop): static
     {
         $this->prop = $prop;
 
diff --git a/tests/Fixtures/TestBundle/Document/DummyFriend.php b/tests/Fixtures/TestBundle/Document/DummyFriend.php
index dbee6c9a427..9ffae70f0f1 100644
--- a/tests/Fixtures/TestBundle/Document/DummyFriend.php
+++ b/tests/Fixtures/TestBundle/Document/DummyFriend.php
@@ -56,7 +56,7 @@ public function getId(): ?int
      *
      * @param int $id the value to set
      */
-    public function setId($id): void
+    public function setId(?int $id): void
     {
         $this->id = $id;
     }
diff --git a/tests/Fixtures/TestBundle/Document/DummyTableInheritanceNotApiResourceChild.php b/tests/Fixtures/TestBundle/Document/DummyTableInheritanceNotApiResourceChild.php
index 1d95fb60ab2..ea32e7531f7 100644
--- a/tests/Fixtures/TestBundle/Document/DummyTableInheritanceNotApiResourceChild.php
+++ b/tests/Fixtures/TestBundle/Document/DummyTableInheritanceNotApiResourceChild.php
@@ -24,10 +24,6 @@ class DummyTableInheritanceNotApiResourceChild extends DummyTableInheritance
     #[ODM\Field(type: 'bool')]
     private bool $swaggerThanParent = true;
 
-    public function __construct()
-    {
-    }
-
     public function isSwaggerThanParent(): bool
     {
         return $this->swaggerThanParent;
diff --git a/tests/Fixtures/TestBundle/Document/DummyTableInheritanceRelated.php b/tests/Fixtures/TestBundle/Document/DummyTableInheritanceRelated.php
index 2df83b891b1..41b26752afb 100644
--- a/tests/Fixtures/TestBundle/Document/DummyTableInheritanceRelated.php
+++ b/tests/Fixtures/TestBundle/Document/DummyTableInheritanceRelated.php
@@ -51,14 +51,14 @@ public function getChildren(): Collection|iterable
         return $this->children;
     }
 
-    public function setChildren(Collection|iterable $children)
+    public function setChildren(Collection|iterable $children): static
     {
         $this->children = $children;
 
         return $this;
     }
 
-    public function addChild($child)
+    public function addChild($child): static
     {
         $this->children->add($child);
         $child->setParent($this);
@@ -66,7 +66,7 @@ public function addChild($child)
         return $this;
     }
 
-    public function removeChild($child)
+    public function removeChild(string|int $child): static
     {
         $this->children->remove($child);
 
diff --git a/tests/Fixtures/TestBundle/Document/DummyValidation.php b/tests/Fixtures/TestBundle/Document/DummyValidation.php
index 25210cbd70f..d7bc66c8856 100644
--- a/tests/Fixtures/TestBundle/Document/DummyValidation.php
+++ b/tests/Fixtures/TestBundle/Document/DummyValidation.php
@@ -69,10 +69,7 @@ public function getName(): ?string
         return $this->name;
     }
 
-    /**
-     * @param string|null $name
-     */
-    public function setName($name): self
+    public function setName(?string $name): self
     {
         $this->name = $name;
 
@@ -84,10 +81,7 @@ public function getTitle(): ?string
         return $this->title;
     }
 
-    /**
-     * @param string|null $title
-     */
-    public function setTitle($title): self
+    public function setTitle(?string $title): self
     {
         $this->title = $title;
 
@@ -99,10 +93,7 @@ public function getCode(): ?string
         return $this->code;
     }
 
-    /**
-     * @param string $code
-     */
-    public function setCode($code): self
+    public function setCode(?string $code): self
     {
         $this->code = $code;
 
diff --git a/tests/Fixtures/TestBundle/Document/EmbeddableDummy.php b/tests/Fixtures/TestBundle/Document/EmbeddableDummy.php
index 7e09b431f08..1c773aed9f5 100644
--- a/tests/Fixtures/TestBundle/Document/EmbeddableDummy.php
+++ b/tests/Fixtures/TestBundle/Document/EmbeddableDummy.php
@@ -61,10 +61,6 @@ public static function staticMethod(): void
     {
     }
 
-    public function __construct()
-    {
-    }
-
     public function getDummyName(): ?string
     {
         return $this->dummyName;
diff --git a/tests/Fixtures/TestBundle/Document/FooDummy.php b/tests/Fixtures/TestBundle/Document/FooDummy.php
index c29cab1a41c..ac2c12b2ea9 100644
--- a/tests/Fixtures/TestBundle/Document/FooDummy.php
+++ b/tests/Fixtures/TestBundle/Document/FooDummy.php
@@ -43,7 +43,7 @@ class FooDummy
     private $name;
 
     #[ODM\Field(nullable: true)]
-    private $nonWritableProp;
+    private string $nonWritableProp;
 
     /**
      * @var Dummy The foo dummy
@@ -82,7 +82,7 @@ public function getName()
         return $this->name;
     }
 
-    public function getNonWritableProp()
+    public function getNonWritableProp(): string
     {
         return $this->nonWritableProp;
     }
diff --git a/tests/Fixtures/TestBundle/Document/FooEmbeddable.php b/tests/Fixtures/TestBundle/Document/FooEmbeddable.php
index bf12471cfa9..c2191eb5f97 100644
--- a/tests/Fixtures/TestBundle/Document/FooEmbeddable.php
+++ b/tests/Fixtures/TestBundle/Document/FooEmbeddable.php
@@ -32,10 +32,6 @@ class FooEmbeddable
     #[ODM\Field(nullable: true)]
     private $nonWritableProp;
 
-    public function __construct()
-    {
-    }
-
     public function getDummyName(): ?string
     {
         return $this->dummyName;
diff --git a/tests/Fixtures/TestBundle/Document/JsonSchemaContextDummy.php b/tests/Fixtures/TestBundle/Document/JsonSchemaContextDummy.php
index 020f06b1145..730a5e29fc0 100644
--- a/tests/Fixtures/TestBundle/Document/JsonSchemaContextDummy.php
+++ b/tests/Fixtures/TestBundle/Document/JsonSchemaContextDummy.php
@@ -36,8 +36,6 @@ class JsonSchemaContextDummy
     private $id;
 
     /**
-     * @var array
-     *
      * @ApiProperty(
      *     attributes={
      *         "json_schema_context"={
@@ -49,14 +47,14 @@ class JsonSchemaContextDummy
      *     },
      * )
      */
-    private $things = ['pool', 'bag'];
+    private array $things = ['pool', 'bag'];
 
     public function getId()
     {
         return $this->id;
     }
 
-    public function getThings()
+    public function getThings(): array
     {
         return $this->things;
     }
diff --git a/tests/Fixtures/TestBundle/Document/MultiRelationsDummy.php b/tests/Fixtures/TestBundle/Document/MultiRelationsDummy.php
index 286f5465b2d..5ee4a1b254e 100644
--- a/tests/Fixtures/TestBundle/Document/MultiRelationsDummy.php
+++ b/tests/Fixtures/TestBundle/Document/MultiRelationsDummy.php
@@ -104,7 +104,7 @@ public function addOneToManyRelation(MultiRelationsRelatedDummy $relatedMultiUse
 
     public function getNestedCollection(): Collection
     {
-        return $this->nestedCollection->map(static fn ($entry) => ['name' => $entry->name]);
+        return $this->nestedCollection->map(static fn ($entry): array => ['name' => $entry->name]);
     }
 
     public function setNestedCollection(Collection $nestedCollection): self
@@ -116,7 +116,7 @@ public function setNestedCollection(Collection $nestedCollection): self
 
     public function getNestedPaginatedCollection(): Collection
     {
-        return $this->nestedPaginatedCollection->map(static fn ($entry) => ['name' => $entry->name]);
+        return $this->nestedPaginatedCollection->map(static fn ($entry): array => ['name' => $entry->name]);
     }
 
     public function setNestedPaginatedCollection(Collection $nestedPaginatedCollection): self
diff --git a/tests/Fixtures/TestBundle/Document/Question.php b/tests/Fixtures/TestBundle/Document/Question.php
index 881d70fc540..aba19faba65 100644
--- a/tests/Fixtures/TestBundle/Document/Question.php
+++ b/tests/Fixtures/TestBundle/Document/Question.php
@@ -33,10 +33,8 @@ class Question
 
     /**
      * Set content.
-     *
-     * @param string $content
      */
-    public function setContent($content): self
+    public function setContent(string $content): self
     {
         $this->content = $content;
 
diff --git a/tests/Fixtures/TestBundle/Document/ReadableOnlyProperty.php b/tests/Fixtures/TestBundle/Document/ReadableOnlyProperty.php
index 3626bf5994d..e2f20c05261 100644
--- a/tests/Fixtures/TestBundle/Document/ReadableOnlyProperty.php
+++ b/tests/Fixtures/TestBundle/Document/ReadableOnlyProperty.php
@@ -28,10 +28,6 @@ class ReadableOnlyProperty
     #[ODM\Field]
     private string $name = 'Read only';
 
-    public function __construct()
-    {
-    }
-
     public function getId(): ?int
     {
         return $this->id;
diff --git a/tests/Fixtures/TestBundle/Document/RelatedDummy.php b/tests/Fixtures/TestBundle/Document/RelatedDummy.php
index d61a7adfa35..00ac0767f66 100644
--- a/tests/Fixtures/TestBundle/Document/RelatedDummy.php
+++ b/tests/Fixtures/TestBundle/Document/RelatedDummy.php
@@ -135,10 +135,7 @@ public function isDummyBoolean(): ?bool
         return $this->dummyBoolean;
     }
 
-    /**
-     * @param bool $dummyBoolean
-     */
-    public function setDummyBoolean($dummyBoolean): void
+    public function setDummyBoolean(?bool $dummyBoolean): void
     {
         $this->dummyBoolean = $dummyBoolean;
     }
diff --git a/tests/Fixtures/TestBundle/Document/RelatedNormalizedDummy.php b/tests/Fixtures/TestBundle/Document/RelatedNormalizedDummy.php
index e7ff4782cbc..74047cf0b7b 100644
--- a/tests/Fixtures/TestBundle/Document/RelatedNormalizedDummy.php
+++ b/tests/Fixtures/TestBundle/Document/RelatedNormalizedDummy.php
@@ -59,10 +59,7 @@ public function getId(): ?int
         return $this->id;
     }
 
-    /**
-     * @param string $name
-     */
-    public function setName($name): void
+    public function setName(?string $name): void
     {
         $this->name = $name;
     }
diff --git a/tests/Fixtures/TestBundle/Document/RelatedToDummyFriend.php b/tests/Fixtures/TestBundle/Document/RelatedToDummyFriend.php
index f68b87cf7d7..5c2228aa5e1 100644
--- a/tests/Fixtures/TestBundle/Document/RelatedToDummyFriend.php
+++ b/tests/Fixtures/TestBundle/Document/RelatedToDummyFriend.php
@@ -82,10 +82,7 @@ public function getDescription(): ?string
         return $this->description;
     }
 
-    /**
-     * @param string|null $description
-     */
-    public function setDescription($description): void
+    public function setDescription(?string $description): void
     {
         $this->description = $description;
     }
diff --git a/tests/Fixtures/TestBundle/Document/SlugParentDummy.php b/tests/Fixtures/TestBundle/Document/SlugParentDummy.php
index ed34ea94bd6..bfa1eff9b11 100644
--- a/tests/Fixtures/TestBundle/Document/SlugParentDummy.php
+++ b/tests/Fixtures/TestBundle/Document/SlugParentDummy.php
@@ -94,7 +94,7 @@ public function removeChildDummy(SlugChildDummy $childDummy): self
             $this->childDummies->removeElement($childDummy);
             // set the owning side to null (unless already changed)
             if ($childDummy->getParentDummy() === $this) {
-                $childDummy->setParentDummy(null);
+                $childDummy->setParentDummy();
             }
         }
 
diff --git a/tests/Fixtures/TestBundle/Document/VoDummyInspection.php b/tests/Fixtures/TestBundle/Document/VoDummyInspection.php
index 29ef49d9017..ccdbf6e17c6 100644
--- a/tests/Fixtures/TestBundle/Document/VoDummyInspection.php
+++ b/tests/Fixtures/TestBundle/Document/VoDummyInspection.php
@@ -26,7 +26,7 @@ class VoDummyInspection
     #[ODM\Field(type: 'date')]
     private \DateTime $performed;
 
-    private $attributeWithoutConstructorEquivalent;
+    private string $attributeWithoutConstructorEquivalent;
 
     public function __construct(#[Groups(['car_read', 'car_write', 'inspection_read', 'inspection_write'])] #[ODM\Field(type: 'bool')] private bool $accepted, #[Groups(['inspection_read', 'inspection_write'])] #[ODM\ReferenceOne(targetDocument: VoDummyCar::class, inversedBy: 'inspections')] private VoDummyCar $car, ?\DateTime $performed = null, string $parameterWhichIsNotClassAttribute = '')
     {
@@ -49,7 +49,7 @@ public function getPerformed(): \DateTime
         return $this->performed;
     }
 
-    public function setPerformed(\DateTime $performed)
+    public function setPerformed(\DateTime $performed): static
     {
         $this->performed = $performed;
 
diff --git a/tests/Fixtures/TestBundle/Entity/Answer.php b/tests/Fixtures/TestBundle/Entity/Answer.php
index 0eda5f4063a..0465d1dd8b7 100644
--- a/tests/Fixtures/TestBundle/Entity/Answer.php
+++ b/tests/Fixtures/TestBundle/Entity/Answer.php
@@ -67,10 +67,8 @@ public function getId(): ?int
 
     /**
      * Set content.
-     *
-     * @param string $content
      */
-    public function setContent($content): self
+    public function setContent(?string $content): self
     {
         $this->content = $content;
 
diff --git a/tests/Fixtures/TestBundle/Entity/CompositeItem.php b/tests/Fixtures/TestBundle/Entity/CompositeItem.php
index 5954245ba48..2a27ff1dcd7 100644
--- a/tests/Fixtures/TestBundle/Entity/CompositeItem.php
+++ b/tests/Fixtures/TestBundle/Entity/CompositeItem.php
@@ -63,7 +63,7 @@ public function getField1(): ?string
      *
      * @param string|null $field1 the value to set
      */
-    public function setField1($field1 = null): void
+    public function setField1(?string $field1 = null): void
     {
         $this->field1 = $field1;
     }
diff --git a/tests/Fixtures/TestBundle/Entity/CompositeRelation.php b/tests/Fixtures/TestBundle/Entity/CompositeRelation.php
index a876c6088df..b810cc96f90 100644
--- a/tests/Fixtures/TestBundle/Entity/CompositeRelation.php
+++ b/tests/Fixtures/TestBundle/Entity/CompositeRelation.php
@@ -51,7 +51,7 @@ public function getValue(): ?string
      *
      * @param string|null $value the value to set
      */
-    public function setValue($value = null): void
+    public function setValue(?string $value = null): void
     {
         $this->value = $value;
     }
diff --git a/tests/Fixtures/TestBundle/Entity/CustomIdentifierDummy.php b/tests/Fixtures/TestBundle/Entity/CustomIdentifierDummy.php
index 1427ed4182a..8ec7a4627e0 100644
--- a/tests/Fixtures/TestBundle/Entity/CustomIdentifierDummy.php
+++ b/tests/Fixtures/TestBundle/Entity/CustomIdentifierDummy.php
@@ -46,10 +46,7 @@ public function getName(): string
         return $this->name;
     }
 
-    /**
-     * @param string $name
-     */
-    public function setName($name): void
+    public function setName(string $name): void
     {
         $this->name = $name;
     }
diff --git a/tests/Fixtures/TestBundle/Entity/CustomWritableIdentifierDummy.php b/tests/Fixtures/TestBundle/Entity/CustomWritableIdentifierDummy.php
index 4b5dd9ff316..f3d6946c47f 100644
--- a/tests/Fixtures/TestBundle/Entity/CustomWritableIdentifierDummy.php
+++ b/tests/Fixtures/TestBundle/Entity/CustomWritableIdentifierDummy.php
@@ -35,10 +35,7 @@ class CustomWritableIdentifierDummy
     #[ORM\Column(name: 'name', type: 'string', length: 30)]
     private string $name;
 
-    /**
-     * @param string $slug
-     */
-    public function setSlug($slug): void
+    public function setSlug(string $slug): void
     {
         $this->slug = $slug;
     }
@@ -53,10 +50,7 @@ public function getName(): string
         return $this->name;
     }
 
-    /**
-     * @param string $name
-     */
-    public function setName($name): void
+    public function setName(string $name): void
     {
         $this->name = $name;
     }
diff --git a/tests/Fixtures/TestBundle/Entity/Dummy.php b/tests/Fixtures/TestBundle/Entity/Dummy.php
index c3cfde6c23f..71bc5ef9947 100644
--- a/tests/Fixtures/TestBundle/Entity/Dummy.php
+++ b/tests/Fixtures/TestBundle/Entity/Dummy.php
@@ -95,7 +95,7 @@ class Dummy
     #[Context(denormalizationContext: ['datetime_format' => 'Y-m-d'])]
     #[ApiProperty(iris: ['https://schema.org/DateTime'])]
     #[ORM\Column(type: 'datetime', nullable: true)]
-    private $dummyDateWithFormat;
+    private ?\DateTime $dummyDateWithFormat;
 
     /**
      * @var float|null A dummy float
@@ -220,12 +220,12 @@ public function getDummyDate()
         return $this->dummyDate;
     }
 
-    public function getDummyDateWithFormat()
+    public function getDummyDateWithFormat(): ?\DateTime
     {
         return $this->dummyDateWithFormat;
     }
 
-    public function setDummyPrice($dummyPrice)
+    public function setDummyPrice($dummyPrice): static
     {
         $this->dummyPrice = $dummyPrice;
 
@@ -300,10 +300,7 @@ public function isDummyBoolean(): ?bool
         return $this->dummyBoolean;
     }
 
-    /**
-     * @param bool $dummyBoolean
-     */
-    public function setDummyBoolean($dummyBoolean): void
+    public function setDummyBoolean(?bool $dummyBoolean): void
     {
         $this->dummyBoolean = $dummyBoolean;
     }
diff --git a/tests/Fixtures/TestBundle/Entity/DummyCar.php b/tests/Fixtures/TestBundle/Entity/DummyCar.php
index 7749d3ccc9b..db767ad476a 100644
--- a/tests/Fixtures/TestBundle/Entity/DummyCar.php
+++ b/tests/Fixtures/TestBundle/Entity/DummyCar.php
@@ -110,7 +110,7 @@ public function getSecondColors(): ?iterable
         return $this->secondColors;
     }
 
-    public function setSecondColors($secondColors): void
+    public function setSecondColors(?iterable $secondColors): void
     {
         $this->secondColors = $secondColors;
     }
@@ -120,7 +120,7 @@ public function getThirdColors(): ?iterable
         return $this->thirdColors;
     }
 
-    public function setThirdColors($thirdColors): void
+    public function setThirdColors(?iterable $thirdColors): void
     {
         $this->thirdColors = $thirdColors;
     }
@@ -130,7 +130,7 @@ public function getUuid(): ?iterable
         return $this->uuid;
     }
 
-    public function setUuid($uuid): void
+    public function setUuid(?iterable $uuid): void
     {
         $this->uuid = $uuid;
     }
diff --git a/tests/Fixtures/TestBundle/Entity/DummyCarColor.php b/tests/Fixtures/TestBundle/Entity/DummyCarColor.php
index f1d90e2ebac..b7593d18f73 100644
--- a/tests/Fixtures/TestBundle/Entity/DummyCarColor.php
+++ b/tests/Fixtures/TestBundle/Entity/DummyCarColor.php
@@ -51,10 +51,7 @@ public function getCar(): ?DummyCar
         return $this->car;
     }
 
-    /**
-     * @return static
-     */
-    public function setCar(DummyCar $car)
+    public function setCar(DummyCar $car): static
     {
         $this->car = $car;
 
@@ -66,12 +63,7 @@ public function getProp(): string
         return $this->prop;
     }
 
-    /**
-     * @param string $prop
-     *
-     * @return static
-     */
-    public function setProp($prop)
+    public function setProp(string $prop): static
     {
         $this->prop = $prop;
 
diff --git a/tests/Fixtures/TestBundle/Entity/DummyProblem.php b/tests/Fixtures/TestBundle/Entity/DummyProblem.php
index a6bf31b5dc9..e064a9ae74c 100644
--- a/tests/Fixtures/TestBundle/Entity/DummyProblem.php
+++ b/tests/Fixtures/TestBundle/Entity/DummyProblem.php
@@ -206,7 +206,7 @@ public function getDummyDate()
         return $this->dummyDate;
     }
 
-    public function setDummyPrice($dummyPrice)
+    public function setDummyPrice($dummyPrice): static
     {
         $this->dummyPrice = $dummyPrice;
 
@@ -278,10 +278,7 @@ public function isDummyBoolean(): ?bool
         return $this->dummyBoolean;
     }
 
-    /**
-     * @param bool $dummyBoolean
-     */
-    public function setDummyBoolean($dummyBoolean): void
+    public function setDummyBoolean(?bool $dummyBoolean): void
     {
         $this->dummyBoolean = $dummyBoolean;
     }
diff --git a/tests/Fixtures/TestBundle/Entity/DummyResourceWithComplexConstructor.php b/tests/Fixtures/TestBundle/Entity/DummyResourceWithComplexConstructor.php
index 224206c15bf..0393c0200e4 100644
--- a/tests/Fixtures/TestBundle/Entity/DummyResourceWithComplexConstructor.php
+++ b/tests/Fixtures/TestBundle/Entity/DummyResourceWithComplexConstructor.php
@@ -36,7 +36,7 @@ public function __construct(private int $id, private string $name)
         $this->someInternalTimestamp = new \DateTimeImmutable();
     }
 
-    public function getId()
+    public function getId(): int
     {
         return $this->id;
     }
diff --git a/tests/Fixtures/TestBundle/Entity/DummySubEntity.php b/tests/Fixtures/TestBundle/Entity/DummySubEntity.php
index 1743843c299..da8c9090d96 100644
--- a/tests/Fixtures/TestBundle/Entity/DummySubEntity.php
+++ b/tests/Fixtures/TestBundle/Entity/DummySubEntity.php
@@ -28,7 +28,7 @@ class DummySubEntity
     #[ORM\OneToOne(inversedBy: 'subEntity', cascade: ['persist'])]
     private ?DummyWithSubEntity $mainEntity = null;
 
-    public function __construct($strId, $name)
+    public function __construct(string $strId, string $name)
     {
         $this->strId = $strId;
         $this->name = $name;
diff --git a/tests/Fixtures/TestBundle/Entity/DummyTableInheritanceNotApiResourceChild.php b/tests/Fixtures/TestBundle/Entity/DummyTableInheritanceNotApiResourceChild.php
index 94e1348dae1..40fe3ace9f6 100644
--- a/tests/Fixtures/TestBundle/Entity/DummyTableInheritanceNotApiResourceChild.php
+++ b/tests/Fixtures/TestBundle/Entity/DummyTableInheritanceNotApiResourceChild.php
@@ -24,10 +24,6 @@ class DummyTableInheritanceNotApiResourceChild extends DummyTableInheritance
     #[ORM\Column(type: 'boolean')]
     private bool $swaggerThanParent = true;
 
-    public function __construct()
-    {
-    }
-
     public function isSwaggerThanParent(): bool
     {
         return $this->swaggerThanParent;
diff --git a/tests/Fixtures/TestBundle/Entity/DummyTableInheritanceRelated.php b/tests/Fixtures/TestBundle/Entity/DummyTableInheritanceRelated.php
index f9359f1f2b7..368702b75bc 100644
--- a/tests/Fixtures/TestBundle/Entity/DummyTableInheritanceRelated.php
+++ b/tests/Fixtures/TestBundle/Entity/DummyTableInheritanceRelated.php
@@ -54,14 +54,14 @@ public function getChildren(): Collection|iterable
         return $this->children;
     }
 
-    public function setChildren(Collection|iterable $children)
+    public function setChildren(Collection|iterable $children): static
     {
         $this->children = $children;
 
         return $this;
     }
 
-    public function addChild($child)
+    public function addChild($child): static
     {
         $this->children->add($child);
         $child->setParent($this);
@@ -69,7 +69,7 @@ public function addChild($child)
         return $this;
     }
 
-    public function removeChild($child)
+    public function removeChild(string|int $child): static
     {
         $this->children->remove($child);
 
diff --git a/tests/Fixtures/TestBundle/Entity/EmbeddableDummy.php b/tests/Fixtures/TestBundle/Entity/EmbeddableDummy.php
index 70aa043b522..45f97d9ae22 100644
--- a/tests/Fixtures/TestBundle/Entity/EmbeddableDummy.php
+++ b/tests/Fixtures/TestBundle/Entity/EmbeddableDummy.php
@@ -62,10 +62,6 @@ public static function staticMethod(): void
     {
     }
 
-    public function __construct()
-    {
-    }
-
     public function getDummyName(): ?string
     {
         return $this->dummyName;
diff --git a/tests/Fixtures/TestBundle/Entity/FooDummy.php b/tests/Fixtures/TestBundle/Entity/FooDummy.php
index ae6e98e8a1c..e96c2144d19 100644
--- a/tests/Fixtures/TestBundle/Entity/FooDummy.php
+++ b/tests/Fixtures/TestBundle/Entity/FooDummy.php
@@ -45,7 +45,7 @@ class FooDummy
     private $name;
 
     #[ORM\Column(nullable: true)]
-    private $nonWritableProp;
+    private ?string $nonWritableProp = null;
 
     #[ApiProperty(readableLink: true, writableLink: true)]
     #[ORM\Embedded(class: FooEmbeddable::class)]
@@ -84,7 +84,7 @@ public function getName()
         return $this->name;
     }
 
-    public function getNonWritableProp()
+    public function getNonWritableProp(): string
     {
         return $this->nonWritableProp;
     }
diff --git a/tests/Fixtures/TestBundle/Entity/FooEmbeddable.php b/tests/Fixtures/TestBundle/Entity/FooEmbeddable.php
index 5ae58ed07f0..28cfa6aff30 100644
--- a/tests/Fixtures/TestBundle/Entity/FooEmbeddable.php
+++ b/tests/Fixtures/TestBundle/Entity/FooEmbeddable.php
@@ -34,11 +34,7 @@ class FooEmbeddable
     private ?string $dummyName = null;
 
     #[ORM\Column(nullable: true)]
-    private $nonWritableProp; // @phpstan-ignore-line
-
-    public function __construct()
-    {
-    }
+    private $nonWritableProp;
 
     public function getDummyName(): ?string
     {
diff --git a/tests/Fixtures/TestBundle/Entity/Issue5722/Event.php b/tests/Fixtures/TestBundle/Entity/Issue5722/Event.php
index 159445c22c5..14c4da60cb1 100644
--- a/tests/Fixtures/TestBundle/Entity/Issue5722/Event.php
+++ b/tests/Fixtures/TestBundle/Entity/Issue5722/Event.php
@@ -38,6 +38,9 @@ class Event
     #[ApiProperty(readable: false, writable: false, identifier: false)]
     public $id;
 
+    /**
+     * @var \Ramsey\Uuid\UuidInterface
+     */
     #[ApiProperty(writable: false, identifier: true)]
     #[ORM\Column(type: 'uuid', unique: true)]
     public $uuid;
diff --git a/tests/Fixtures/TestBundle/Entity/Issue5722/ItemLog.php b/tests/Fixtures/TestBundle/Entity/Issue5722/ItemLog.php
index 699a561666a..868a6b39d9b 100644
--- a/tests/Fixtures/TestBundle/Entity/Issue5722/ItemLog.php
+++ b/tests/Fixtures/TestBundle/Entity/Issue5722/ItemLog.php
@@ -44,6 +44,9 @@ class ItemLog
     #[ApiProperty(readable: false, writable: false, identifier: false)] // identifier was false before 3.1.14, changing this to true fixed some errors
     private ?int $id = null;
 
+    /**
+     * @var \Ramsey\Uuid\UuidInterface
+     */
     #[ApiProperty(writable: false, identifier: true)]
     #[ORM\Column(type: 'uuid', unique: true)]
     public $uuid;
@@ -55,11 +58,8 @@ class ItemLog
     #[ORM\Column]
     public string $action = 'insert';
 
-    private \DateTimeInterface $createdAt;
-
     public function __construct()
     {
-        $this->createdAt = new \DateTime();
         $this->uuid = Uuid::uuid4();
     }
 
diff --git a/tests/Fixtures/TestBundle/Entity/Issue5735/Issue5735User.php b/tests/Fixtures/TestBundle/Entity/Issue5735/Issue5735User.php
index f5018064b6c..5541adee21c 100644
--- a/tests/Fixtures/TestBundle/Entity/Issue5735/Issue5735User.php
+++ b/tests/Fixtures/TestBundle/Entity/Issue5735/Issue5735User.php
@@ -60,7 +60,7 @@ public function getUuid(): Uuid
         return $this->uuid;
     }
 
-    public function setUuid($uuid): void
+    public function setUuid(Uuid $uuid): void
     {
         $this->uuid = $uuid;
     }
diff --git a/tests/Fixtures/TestBundle/Entity/JsonSchemaContextDummy.php b/tests/Fixtures/TestBundle/Entity/JsonSchemaContextDummy.php
index 82b01b6c923..5a23112f084 100644
--- a/tests/Fixtures/TestBundle/Entity/JsonSchemaContextDummy.php
+++ b/tests/Fixtures/TestBundle/Entity/JsonSchemaContextDummy.php
@@ -33,9 +33,6 @@ class JsonSchemaContextDummy
     #[ORM\GeneratedValue(strategy: 'AUTO')]
     public $id;
 
-    /**
-     * @var array
-     */
     #[ApiProperty(
         jsonSchemaContext: [
             'type' => 'array',
@@ -44,14 +41,14 @@ class JsonSchemaContextDummy
             'maxItems' => 2,
         ]
     )]
-    private $things = ['pool', 'bag'];
+    private array $things = ['pool', 'bag'];
 
     public function getId()
     {
         return $this->id;
     }
 
-    public function getThings()
+    public function getThings(): array
     {
         return $this->things;
     }
diff --git a/tests/Fixtures/TestBundle/Entity/MappedResourceWithRelationEntity.php b/tests/Fixtures/TestBundle/Entity/MappedResourceWithRelationEntity.php
index c948283e35a..61baa33b66e 100644
--- a/tests/Fixtures/TestBundle/Entity/MappedResourceWithRelationEntity.php
+++ b/tests/Fixtures/TestBundle/Entity/MappedResourceWithRelationEntity.php
@@ -40,7 +40,7 @@ public function getId(): ?int
         return $this->id;
     }
 
-    public function setId(?int $id = null)
+    public function setId(?int $id = null): static
     {
         $this->id = $id;
 
diff --git a/tests/Fixtures/TestBundle/Entity/MappedResourceWithRelationRelatedEntity.php b/tests/Fixtures/TestBundle/Entity/MappedResourceWithRelationRelatedEntity.php
index 5f10689fdd5..4af48f8ecc1 100644
--- a/tests/Fixtures/TestBundle/Entity/MappedResourceWithRelationRelatedEntity.php
+++ b/tests/Fixtures/TestBundle/Entity/MappedResourceWithRelationRelatedEntity.php
@@ -32,7 +32,7 @@ public function getId(): ?int
         return $this->id;
     }
 
-    public function setId(?int $id = null)
+    public function setId(?int $id = null): void
     {
         $this->id = $id;
     }
diff --git a/tests/Fixtures/TestBundle/Entity/NonCloneableDummy.php b/tests/Fixtures/TestBundle/Entity/NonCloneableDummy.php
index 6c2ed38959d..6836508abe1 100644
--- a/tests/Fixtures/TestBundle/Entity/NonCloneableDummy.php
+++ b/tests/Fixtures/TestBundle/Entity/NonCloneableDummy.php
@@ -41,7 +41,7 @@ class NonCloneableDummy
     #[ApiProperty(iris: ['http://schema.org/name'])]
     #[ORM\Column]
     #[Assert\NotBlank]
-    private $name;
+    private string $name;
 
     public function getId()
     {
diff --git a/tests/Fixtures/TestBundle/Entity/PlainObjectDummy.php b/tests/Fixtures/TestBundle/Entity/PlainObjectDummy.php
index d46aeb65d8d..cc78a396198 100644
--- a/tests/Fixtures/TestBundle/Entity/PlainObjectDummy.php
+++ b/tests/Fixtures/TestBundle/Entity/PlainObjectDummy.php
@@ -29,10 +29,6 @@ class PlainObjectDummy
     #[ORM\Column(type: 'integer')]
     #[ORM\GeneratedValue(strategy: 'AUTO')]
     private $id;
-    /**
-     * @var string
-     */
-    private $content;
     /**
      * @var array
      */
@@ -40,7 +36,6 @@ class PlainObjectDummy
 
     public function setContent($content): void
     {
-        $this->content = $content;
         $this->data = (array) json_decode($content, null, 512, \JSON_THROW_ON_ERROR);
     }
 
diff --git a/tests/Fixtures/TestBundle/Entity/Question.php b/tests/Fixtures/TestBundle/Entity/Question.php
index aa1b82cd74e..a854883773a 100644
--- a/tests/Fixtures/TestBundle/Entity/Question.php
+++ b/tests/Fixtures/TestBundle/Entity/Question.php
@@ -36,10 +36,8 @@ class Question
 
     /**
      * Set content.
-     *
-     * @param string $content
      */
-    public function setContent($content): self
+    public function setContent(?string $content): self
     {
         $this->content = $content;
 
diff --git a/tests/Fixtures/TestBundle/Entity/ReadableOnlyProperty.php b/tests/Fixtures/TestBundle/Entity/ReadableOnlyProperty.php
index d10382cc2bc..5a7f6add458 100644
--- a/tests/Fixtures/TestBundle/Entity/ReadableOnlyProperty.php
+++ b/tests/Fixtures/TestBundle/Entity/ReadableOnlyProperty.php
@@ -30,10 +30,6 @@ class ReadableOnlyProperty
     #[ORM\Column]
     private string $name = 'Read only';
 
-    public function __construct()
-    {
-    }
-
     public function getId(): ?int
     {
         return $this->id;
diff --git a/tests/Fixtures/TestBundle/Entity/RelatedDummy.php b/tests/Fixtures/TestBundle/Entity/RelatedDummy.php
index b8a3f562363..56afa6f6e9d 100644
--- a/tests/Fixtures/TestBundle/Entity/RelatedDummy.php
+++ b/tests/Fixtures/TestBundle/Entity/RelatedDummy.php
@@ -156,10 +156,7 @@ public function isDummyBoolean(): ?bool
         return $this->dummyBoolean;
     }
 
-    /**
-     * @param bool $dummyBoolean
-     */
-    public function setDummyBoolean($dummyBoolean): void
+    public function setDummyBoolean(?bool $dummyBoolean): void
     {
         $this->dummyBoolean = $dummyBoolean;
     }
diff --git a/tests/Fixtures/TestBundle/Entity/RelatedToDummyFriend.php b/tests/Fixtures/TestBundle/Entity/RelatedToDummyFriend.php
index d550249dd03..6ce71710b9b 100644
--- a/tests/Fixtures/TestBundle/Entity/RelatedToDummyFriend.php
+++ b/tests/Fixtures/TestBundle/Entity/RelatedToDummyFriend.php
@@ -74,10 +74,7 @@ public function getDescription(): ?string
         return $this->description;
     }
 
-    /**
-     * @param string|null $description
-     */
-    public function setDescription($description): void
+    public function setDescription(?string $description): void
     {
         $this->description = $description;
     }
diff --git a/tests/Fixtures/TestBundle/Entity/Relation3.php b/tests/Fixtures/TestBundle/Entity/Relation3.php
index 412b0019544..97d07146f8b 100644
--- a/tests/Fixtures/TestBundle/Entity/Relation3.php
+++ b/tests/Fixtures/TestBundle/Entity/Relation3.php
@@ -42,14 +42,14 @@ public function getRelation2s(): Collection|iterable
         return $this->relation2s;
     }
 
-    public function addRelation2(Relation2 $relation)
+    public function addRelation2(Relation2 $relation): static
     {
         $this->relation2s->add($relation);
 
         return $this;
     }
 
-    public function removeRelation2(Relation2 $relation)
+    public function removeRelation2(Relation2 $relation): static
     {
         $this->relation2s->removeElement($relation);
 
diff --git a/tests/Fixtures/TestBundle/Entity/SecuredDummyWithPropertiesDependingOnThemselves.php b/tests/Fixtures/TestBundle/Entity/SecuredDummyWithPropertiesDependingOnThemselves.php
index f33129df6b9..9a4493af742 100644
--- a/tests/Fixtures/TestBundle/Entity/SecuredDummyWithPropertiesDependingOnThemselves.php
+++ b/tests/Fixtures/TestBundle/Entity/SecuredDummyWithPropertiesDependingOnThemselves.php
@@ -50,10 +50,6 @@ class SecuredDummyWithPropertiesDependingOnThemselves
     #[ORM\Column]
     private bool $property = false;
 
-    public function __construct()
-    {
-    }
-
     public function getId(): ?int
     {
         return $this->id;
diff --git a/tests/Fixtures/TestBundle/Entity/SlugParentDummy.php b/tests/Fixtures/TestBundle/Entity/SlugParentDummy.php
index 104ca2cc97e..c6e55121355 100644
--- a/tests/Fixtures/TestBundle/Entity/SlugParentDummy.php
+++ b/tests/Fixtures/TestBundle/Entity/SlugParentDummy.php
@@ -95,7 +95,7 @@ public function removeChildDummy(SlugChildDummy $childDummy): self
             $this->childDummies->removeElement($childDummy);
             // set the owning side to null (unless already changed)
             if ($childDummy->getParentDummy() === $this) {
-                $childDummy->setParentDummy(null);
+                $childDummy->setParentDummy();
             }
         }
 
diff --git a/tests/Fixtures/TestBundle/Entity/ThirdLevel.php b/tests/Fixtures/TestBundle/Entity/ThirdLevel.php
index 4f48aaf0fcc..a2830c247c0 100644
--- a/tests/Fixtures/TestBundle/Entity/ThirdLevel.php
+++ b/tests/Fixtures/TestBundle/Entity/ThirdLevel.php
@@ -71,10 +71,7 @@ public function getLevel(): ?int
         return $this->level;
     }
 
-    /**
-     * @param int $level
-     */
-    public function setLevel($level): void
+    public function setLevel(int $level): void
     {
         $this->level = $level;
     }
@@ -84,10 +81,7 @@ public function isTest(): bool
         return $this->test;
     }
 
-    /**
-     * @param bool $test
-     */
-    public function setTest($test): void
+    public function setTest(bool $test): void
     {
         $this->test = $test;
     }
diff --git a/tests/Fixtures/TestBundle/Entity/VoDummyInspection.php b/tests/Fixtures/TestBundle/Entity/VoDummyInspection.php
index e5a3c805359..05249e43953 100644
--- a/tests/Fixtures/TestBundle/Entity/VoDummyInspection.php
+++ b/tests/Fixtures/TestBundle/Entity/VoDummyInspection.php
@@ -27,7 +27,7 @@ class VoDummyInspection
     #[Groups(['car_read', 'car_write', 'inspection_read', 'inspection_write'])]
     private \DateTime $performed;
 
-    private $attributeWithoutConstructorEquivalent;
+    private string $attributeWithoutConstructorEquivalent;
 
     public function __construct(#[ORM\Column(type: 'boolean')] #[Groups(['car_read', 'car_write', 'inspection_read', 'inspection_write'])] private bool $accepted, #[ORM\ManyToOne(targetEntity: VoDummyCar::class, inversedBy: 'inspections')] #[Groups(['inspection_read', 'inspection_write'])] private ?VoDummyCar $car, ?\DateTime $performed = null, string $parameterWhichIsNotClassAttribute = '')
     {
@@ -50,7 +50,7 @@ public function getPerformed(): \DateTime
         return $this->performed;
     }
 
-    public function setPerformed(\DateTime $performed)
+    public function setPerformed(\DateTime $performed): static
     {
         $this->performed = $performed;
 
diff --git a/tests/Fixtures/TestBundle/Exception/NotFoundException.php b/tests/Fixtures/TestBundle/Exception/NotFoundException.php
index b81db1bd329..c6b4a29ff67 100644
--- a/tests/Fixtures/TestBundle/Exception/NotFoundException.php
+++ b/tests/Fixtures/TestBundle/Exception/NotFoundException.php
@@ -15,8 +15,4 @@
 
 final class NotFoundException extends \Exception
 {
-    public function __construct(string $message = '', int $code = 0, ?\Throwable $previous = null)
-    {
-        parent::__construct($message, $code, $previous);
-    }
 }
diff --git a/tests/Fixtures/TestBundle/Filter/DoesNotImplementInterfaceFilter.php b/tests/Fixtures/TestBundle/Filter/DoesNotImplementInterfaceFilter.php
index fe0e71eb57d..b1aebcce219 100644
--- a/tests/Fixtures/TestBundle/Filter/DoesNotImplementInterfaceFilter.php
+++ b/tests/Fixtures/TestBundle/Filter/DoesNotImplementInterfaceFilter.php
@@ -15,7 +15,7 @@
 
 final class DoesNotImplementInterfaceFilter
 {
-    public function getDescription(string $resourceClass): array
+    public function getDescription(): array
     {
         return [];
     }
diff --git a/tests/Fixtures/TestBundle/Metadata/ProviderResourceMetadatatCollectionFactory.php b/tests/Fixtures/TestBundle/Metadata/ProviderResourceMetadatatCollectionFactory.php
index 95bcbea3682..b5b7168d4b0 100644
--- a/tests/Fixtures/TestBundle/Metadata/ProviderResourceMetadatatCollectionFactory.php
+++ b/tests/Fixtures/TestBundle/Metadata/ProviderResourceMetadatatCollectionFactory.php
@@ -60,7 +60,7 @@ public function create(string $resourceClass): ResourceMetadataCollection
         return $resourceMetadataCollection;
     }
 
-    private function setProvider(ResourceMetadataCollection $resourceMetadataCollection, string $provider)
+    private function setProvider(ResourceMetadataCollection $resourceMetadataCollection, string $provider): ResourceMetadataCollection
     {
         foreach ($resourceMetadataCollection as $i => $resourceMetadata) {
             $operations = $resourceMetadata->getOperations();
diff --git a/tests/Fixtures/TestBundle/Model/ResourceInterfaceImplementation.php b/tests/Fixtures/TestBundle/Model/ResourceInterfaceImplementation.php
index 5969df5fc0b..438fb3dc19d 100644
--- a/tests/Fixtures/TestBundle/Model/ResourceInterfaceImplementation.php
+++ b/tests/Fixtures/TestBundle/Model/ResourceInterfaceImplementation.php
@@ -22,7 +22,7 @@ class ResourceInterfaceImplementation implements ResourceInterface, ResourceBarI
 
     private ?string $bar = null;
 
-    public function setFoo(string $foo)
+    public function setFoo(string $foo): static
     {
         $this->foo = $foo;
 
@@ -34,7 +34,7 @@ public function getFoo(): string
         return $this->foo;
     }
 
-    public function setBar(?string $bar)
+    public function setBar(?string $bar): static
     {
         $this->bar = $bar;
 
diff --git a/tests/Fixtures/TestBundle/State/DummyDtoInputOutputProcessor.php b/tests/Fixtures/TestBundle/State/DummyDtoInputOutputProcessor.php
index 3fb2498adbd..2603f5d8a9d 100644
--- a/tests/Fixtures/TestBundle/State/DummyDtoInputOutputProcessor.php
+++ b/tests/Fixtures/TestBundle/State/DummyDtoInputOutputProcessor.php
@@ -35,7 +35,7 @@ public function __construct(private readonly ManagerRegistry $registry)
      *
      * @param InputDto|InputDtoDocument|mixed $data
      */
-    public function process(mixed $data, Operation $operation, array $uriVariables = [], array $context = [])
+    public function process(mixed $data, Operation $operation, array $uriVariables = [], array $context = []): OutputDtoDocument|OutputDto
     {
         if (!($data instanceof InputDto || $data instanceof InputDtoDocument)) {
             throw new \RuntimeException('Data is not an InputDto');
diff --git a/tests/Fixtures/TestBundle/State/DummyDtoNoInputsProcessor.php b/tests/Fixtures/TestBundle/State/DummyDtoNoInputsProcessor.php
index d0df8c73ddc..cc4af991fd0 100644
--- a/tests/Fixtures/TestBundle/State/DummyDtoNoInputsProcessor.php
+++ b/tests/Fixtures/TestBundle/State/DummyDtoNoInputsProcessor.php
@@ -25,7 +25,7 @@ public function __construct(private readonly ProcessorInterface $decorated)
     {
     }
 
-    public function process(mixed $data, Operation $operation, array $uriVariables = [], array $context = [])
+    public function process(mixed $data, Operation $operation, array $uriVariables = [], array $context = []): OutputDto|OutputDtoDocument
     {
         $object = $this->decorated->process($data, $operation, $uriVariables, $context);
 
diff --git a/tests/Fixtures/TestBundle/State/DummyDtoNoOutputProcessor.php b/tests/Fixtures/TestBundle/State/DummyDtoNoOutputProcessor.php
index fc0d67e7889..555e0ffa68d 100644
--- a/tests/Fixtures/TestBundle/State/DummyDtoNoOutputProcessor.php
+++ b/tests/Fixtures/TestBundle/State/DummyDtoNoOutputProcessor.php
@@ -30,7 +30,7 @@ public function __construct(private readonly ManagerRegistry $registry)
     /**
      * {@inheritDoc}
      */
-    public function process(mixed $data, ?Operation $operation = null, array $uriVariables = [], array $context = [])
+    public function process(mixed $data, ?Operation $operation = null, array $uriVariables = [], array $context = []): DummyDtoNoOutput|DummyDtoNoOutputDocument
     {
         $isOrm = true;
         $em = $this->registry->getManagerForClass(DummyDtoNoOutput::class);
diff --git a/tests/Fixtures/TestBundle/State/OperationResourceProcessor.php b/tests/Fixtures/TestBundle/State/OperationResourceProcessor.php
index 0d0d8333643..150644fe2ca 100644
--- a/tests/Fixtures/TestBundle/State/OperationResourceProcessor.php
+++ b/tests/Fixtures/TestBundle/State/OperationResourceProcessor.php
@@ -30,7 +30,7 @@ public function __construct(private readonly ManagerRegistry $managerRegistry)
     {
     }
 
-    private function persist($data, array $context = [])
+    private function persist($data)
     {
         if (!$manager = $this->getManager($data)) {
             return $data;
@@ -78,7 +78,7 @@ private function getManager($data): ?DoctrineObjectManager
     /**
      * Checks if doctrine does not manage data automatically.
      */
-    private function isDeferredExplicit(DoctrineObjectManager $manager, $data): bool
+    private function isDeferredExplicit(DoctrineObjectManager $manager, object $data): bool
     {
         $classMetadata = $manager->getClassMetadata($this->getObjectClass($data));
         if (($classMetadata instanceof ClassMetadata || $classMetadata instanceof ODMClassMetadata) && method_exists($classMetadata, 'isChangeTrackingDeferredExplicit')) {
diff --git a/tests/Fixtures/app/config/routing_mongodb.php b/tests/Fixtures/app/config/routing_mongodb.php
index 744c393c0d0..746dc482550 100644
--- a/tests/Fixtures/app/config/routing_mongodb.php
+++ b/tests/Fixtures/app/config/routing_mongodb.php
@@ -14,7 +14,7 @@
 use Symfony\Bundle\WebProfilerBundle\WebProfilerBundle;
 use Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator;
 
-return static function (RoutingConfigurator $routes) {
+return static function (RoutingConfigurator $routes): void {
     $routes->import('routing_common.yml');
     $routes->import('@TestBundle/Controller/MongoDbOdm', 'attribute');
 
diff --git a/tests/Fixtures/app/config/routing_test.php b/tests/Fixtures/app/config/routing_test.php
index e9f7fbc01f3..75c954a03ae 100644
--- a/tests/Fixtures/app/config/routing_test.php
+++ b/tests/Fixtures/app/config/routing_test.php
@@ -14,7 +14,7 @@
 use Symfony\Bundle\WebProfilerBundle\WebProfilerBundle;
 use Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator;
 
-return static function (RoutingConfigurator $routes) {
+return static function (RoutingConfigurator $routes): void {
     $routes->import('routing_common.yml');
     $routes->import('@TestBundle/Controller/Orm', 'attribute');
 
diff --git a/tests/Functional/Doctrine/ContextSwitchTest.php b/tests/Functional/Doctrine/ContextSwitchTest.php
index 3fc1564492f..b2e3acfd59f 100644
--- a/tests/Functional/Doctrine/ContextSwitchTest.php
+++ b/tests/Functional/Doctrine/ContextSwitchTest.php
@@ -60,7 +60,7 @@ public function testPatialFetchWithContextSwitch(): void
         $manager->clear(); // this is important to avoid doctrine from reusing the objects instead of loading theme from SQL query
 
         $client = static::createClient();
-        $response = $client->request('GET', '/dummy_contexts', ['headers' => ['Accept' => 'application/ld+json']]);
+        $client->request('GET', '/dummy_contexts', ['headers' => ['Accept' => 'application/ld+json']]);
         $this->assertResponseStatusCodeSame(200);
 
         $this->assertJsonContains([
@@ -105,7 +105,7 @@ public function testPatialFetchWithContextSwitchOnSameEntity(): void
         $manager->clear(); // this is important to avoid doctrine from reusing the objects instead of loading theme from SQL query
 
         $client = static::createClient();
-        $response = $client->request('GET', '/dummy_contexts', ['headers' => ['Accept' => 'application/ld+json']]);
+        $client->request('GET', '/dummy_contexts', ['headers' => ['Accept' => 'application/ld+json']]);
         $this->assertResponseStatusCodeSame(200);
 
         $this->assertJsonContains([
diff --git a/tests/Functional/Doctrine/EntityReadOnlyTest.php b/tests/Functional/Doctrine/EntityReadOnlyTest.php
index 106da2f173b..b7d0396f104 100644
--- a/tests/Functional/Doctrine/EntityReadOnlyTest.php
+++ b/tests/Functional/Doctrine/EntityReadOnlyTest.php
@@ -48,13 +48,13 @@ public function testCannotUpdateOrPatchReadonlyEntity(): void
         $manager->flush();
 
         $client = static::createClient();
-        $response = $client->request('GET', '/dummy_read_onlies', ['headers' => ['Accept' => 'application/ld+json']]);
+        $client->request('GET', '/dummy_read_onlies', ['headers' => ['Accept' => 'application/ld+json']]);
         $this->assertResponseStatusCodeSame(200);
 
-        $response = $client->request('GET', '/dummy_read_onlies/'.$dummy->getId(), ['headers' => ['Accept' => 'application/ld+json']]);
+        $client->request('GET', '/dummy_read_onlies/'.$dummy->getId(), ['headers' => ['Accept' => 'application/ld+json']]);
         $this->assertResponseStatusCodeSame(200);
 
-        $response = $client->request('POST', '/dummy_read_onlies', [
+        $client->request('POST', '/dummy_read_onlies', [
             'headers' => ['Content-Type' => 'application/ld+json'],
             'json' => [
                 'name' => 'bar',
@@ -62,10 +62,10 @@ public function testCannotUpdateOrPatchReadonlyEntity(): void
         ]);
         $this->assertResponseStatusCodeSame(201);
 
-        $response = $client->request('DELETE', '/dummy_read_onlies/'.$dummy->getId(), ['headers' => ['Content-Type' => 'application/ld+json']]);
+        $client->request('DELETE', '/dummy_read_onlies/'.$dummy->getId(), ['headers' => ['Content-Type' => 'application/ld+json']]);
         $this->assertResponseStatusCodeSame(204);
 
-        $response = $client->request('PUT', '/dummy_read_onlies'.$dummy->getId(), [
+        $client->request('PUT', '/dummy_read_onlies'.$dummy->getId(), [
             'headers' => ['Content-Type' => 'application/ld+json'],
             'json' => [
                 'name' => 'baz',
@@ -73,7 +73,7 @@ public function testCannotUpdateOrPatchReadonlyEntity(): void
         ]);
         $this->assertResponseStatusCodeSame(404);
 
-        $response = $client->request('PATCH', '/dummy_read_onlies'.$dummy->getId(), [
+        $client->request('PATCH', '/dummy_read_onlies'.$dummy->getId(), [
             'headers' => ['Content-Type' => 'application/ld+json'],
             'json' => [
                 'name' => 'baz',
diff --git a/tests/Functional/Doctrine/StateOptionTest.php b/tests/Functional/Doctrine/StateOptionTest.php
index b77694aa74c..38a70bc5e3e 100644
--- a/tests/Functional/Doctrine/StateOptionTest.php
+++ b/tests/Functional/Doctrine/StateOptionTest.php
@@ -80,7 +80,7 @@ public function testPostWithEntityClassOption(): void
         $manager->flush();
         $iri = '/issue7689_categories/'.$c->getId();
 
-        $response = static::createClient()->request('POST', '/issue7689_products', ['json' => [
+        static::createClient()->request('POST', '/issue7689_products', ['json' => [
             'name' => 'product',
             'category' => $iri,
         ]]);
diff --git a/tests/Functional/DocumentationActionTest.php b/tests/Functional/DocumentationActionTest.php
index 74e80a27f1e..0789925efce 100644
--- a/tests/Functional/DocumentationActionTest.php
+++ b/tests/Functional/DocumentationActionTest.php
@@ -43,7 +43,7 @@ protected function configureContainer(ContainerBuilder $c, LoaderInterface $load
     {
         parent::configureContainer($c, $loader);
 
-        $loader->load(static function (ContainerBuilder $container) {
+        $loader->load(static function (ContainerBuilder $container): void {
             $container->loadFromExtension('api_platform', [
                 'enable_swagger_ui' => DocumentationActionAppKernel::$swaggerUiEnabled,
                 'enable_re_doc' => DocumentationActionAppKernel::$reDocEnabled,
diff --git a/tests/Functional/ErrorTest.php b/tests/Functional/ErrorTest.php
index 3ec9c5aa44c..de46a5afbc3 100644
--- a/tests/Functional/ErrorTest.php
+++ b/tests/Functional/ErrorTest.php
@@ -34,7 +34,7 @@ public static function getResources(): array
     }
 
     #[DataProvider('formatsProvider')]
-    public function testRetrieveError(string $format, string $status, $expected): void
+    public function testRetrieveError(string $format, string $status, array $expected): void
     {
         self::createClient()->request('GET', '/errors/'.$status, ['headers' => ['accept' => $format]]);
         $this->assertJsonContains($expected);
diff --git a/tests/Functional/JsonSchema/JsonSchemaTest.php b/tests/Functional/JsonSchema/JsonSchemaTest.php
index d32ae3fec53..4cb366af8a8 100644
--- a/tests/Functional/JsonSchema/JsonSchemaTest.php
+++ b/tests/Functional/JsonSchema/JsonSchemaTest.php
@@ -224,7 +224,7 @@ public function testReadOnlySchema(): void
         $this->assertTrue($schema['definitions']['Resource']['properties']['resourceRelated']['readOnly'] ?? false);
     }
 
-    public function testGenIdFalse()
+    public function testGenIdFalse(): void
     {
         $schema = $this->schemaFactory->buildSchema(Product::class, 'jsonld', Schema::TYPE_OUTPUT, $this->operationMetadataFactory->create('_api_/json-stream-products_get_collection'));
         $this->assertThat(['member' => [['aggregateRating' => ['ratingValue' => '1.0', 'reviewCount' => 1]]]], new MatchesJsonSchema($schema));
diff --git a/tests/Functional/ListenerTest.php b/tests/Functional/ListenerTest.php
index 28fbd1bf38b..71488e78259 100644
--- a/tests/Functional/ListenerTest.php
+++ b/tests/Functional/ListenerTest.php
@@ -32,7 +32,7 @@ public static function getResources(): array
         ];
     }
 
-    public function testListener()
+    public function testListener(): void
     {
         self::createClient()->request('PATCH', '/original_data_with_listeners/123/verify', [
             'headers' => ['content-type' => 'application/merge-patch+json'],
diff --git a/tests/Functional/MappingTest.php b/tests/Functional/MappingTest.php
index b79db81672a..86c05f55524 100644
--- a/tests/Functional/MappingTest.php
+++ b/tests/Functional/MappingTest.php
@@ -96,10 +96,10 @@ public function testShouldMapBetweenResourceAndEntity(): void
         self::createClient()->request('GET', $uri);
         $this->assertJsonContains(['username' => 'so yuka']);
 
-        $r = self::createClient()->request('PATCH', $uri, ['json' => ['username' => 'ba zar'], 'headers' => ['content-type' => 'application/merge-patch+json']]);
+        self::createClient()->request('PATCH', $uri, ['json' => ['username' => 'ba zar'], 'headers' => ['content-type' => 'application/merge-patch+json']]);
         $this->assertJsonContains(['username' => 'ba zar']);
 
-        $r = self::createClient()->request('DELETE', $uri);
+        self::createClient()->request('DELETE', $uri);
         $this->assertResponseStatusCodeSame(204);
     }
 
@@ -176,7 +176,7 @@ public function testShouldNotMapWhenInput(): void
 
         $this->recreateSchema([MappedEntity::class]);
         $this->loadFixtures();
-        $r = self::createClient()->request('POST', 'mapped_resource_with_input', [
+        self::createClient()->request('POST', 'mapped_resource_with_input', [
             'headers' => [
                 'content-type' => 'application/ld+json',
             ],
@@ -228,7 +228,7 @@ public function testShouldMapWithSourceOnly(): void
         self::createClient()->request('GET', $uri);
         $this->assertJsonContains(['username' => 'so yuka']);
 
-        $r = self::createClient()->request('PATCH', $uri, ['json' => ['username' => 'ba zar'], 'headers' => ['content-type' => 'application/merge-patch+json']]);
+        self::createClient()->request('PATCH', $uri, ['json' => ['username' => 'ba zar'], 'headers' => ['content-type' => 'application/merge-patch+json']]);
         $this->assertJsonContains(['username' => 'ba zar']);
     }
 
@@ -434,7 +434,7 @@ public function testOutputDtoForCollectionRead(): void
         }
 
         // Test Get (single item) returns all fields from the full resource
-        $response = self::createClient()->request('GET', '/book_store_resources/1');
+        self::createClient()->request('GET', '/book_store_resources/1');
         self::assertResponseIsSuccessful();
         self::assertJsonContains([
             'id' => 1,
diff --git a/tests/Functional/McpTest.php b/tests/Functional/McpTest.php
index 46ed75109ae..85573c07d10 100644
--- a/tests/Functional/McpTest.php
+++ b/tests/Functional/McpTest.php
@@ -59,7 +59,7 @@ private function isPsr17FactoryAvailable(): bool
         }
     }
 
-    private function callTool($client, string $sessionId, string $toolName, array $arguments = []): mixed
+    private function callTool(\ApiPlatform\Symfony\Bundle\Test\Client $client, string $sessionId, string $toolName, array $arguments = []): mixed
     {
         return $client->request('POST', '/mcp', [
             'headers' => [
@@ -349,7 +349,7 @@ public function testMarkdownWithCodeBlock(): void
         self::assertArrayNotHasKey('structuredContent', $result['result']);
     }
 
-    private function initializeMcpSession($client): string
+    private function initializeMcpSession(\ApiPlatform\Symfony\Bundle\Test\Client $client): string
     {
         $res = $client->request('POST', '/mcp', [
             'headers' => [
@@ -428,7 +428,7 @@ public function testToolsList(): void
             self::assertEquals('object', $tool['inputSchema']['type']);
         }
 
-        $listBooks = array_filter($tools, static function (array $input) {
+        $listBooks = array_filter($tools, static function (array $input): bool {
             return 'list_books' === $input['name'];
         });
 
@@ -483,7 +483,7 @@ public function testToolsList(): void
             ],
         ], $outputSchema);
 
-        $listBooksDto = array_filter($tools, static function (array $input) {
+        $listBooksDto = array_filter($tools, static function (array $input): bool {
             return 'list_books_dto' === $input['name'];
         });
 
diff --git a/tests/Functional/OpenApiTest.php b/tests/Functional/OpenApiTest.php
index e65ad3134b7..4523b52e019 100644
--- a/tests/Functional/OpenApiTest.php
+++ b/tests/Functional/OpenApiTest.php
@@ -522,7 +522,7 @@ public function testRetrieveTheJsonOpenApiDocumentation(): void
 
     public function testRetrieveTheYamlOpenApiDocumentation(): void
     {
-        $response = self::createClient()->request('GET', '/docs', [
+        self::createClient()->request('GET', '/docs', [
             'headers' => ['Accept' => 'application/vnd.openapi+yaml'],
         ]);
         $this->assertResponseIsSuccessful();
@@ -531,7 +531,7 @@ public function testRetrieveTheYamlOpenApiDocumentation(): void
 
     public function testRetrieveTheOpenApiDocumentationHtml(): void
     {
-        $response = self::createClient()->request('GET', '/', [
+        self::createClient()->request('GET', '/', [
             'headers' => ['Accept' => 'text/html'],
         ]);
         $this->assertResponseIsSuccessful();
@@ -577,7 +577,7 @@ public function testRetrieveTheOpenApiDocumentationWith30Specification(): void
 
     public function testRetrieveTheOpenApiDocumentationInJson(): void
     {
-        $response = self::createClient()->request('GET', '/docs.jsonopenapi', [
+        self::createClient()->request('GET', '/docs.jsonopenapi', [
             'headers' => ['Accept' => 'text/html,*/*;q=0.8'],
         ]);
         $this->assertResponseIsSuccessful();
@@ -588,7 +588,7 @@ public function testOpenApiUiIsEnabledForDocsEndpointWithDummyObject(): void
     {
         $this->recreateSchema([Dummy::class, RelatedDummy::class, RelatedOwnedDummy::class, RelatedOwningDummy::class]);
         self::createClient()->request('POST', '/dummies', ['json' => ['name' => 'test']]);
-        $response = self::createClient()->request('GET', '/dummies/1.html', [
+        self::createClient()->request('GET', '/dummies/1.html', [
             'headers' => ['Accept' => 'text/html'],
         ]);
         $this->assertResponseIsSuccessful();
diff --git a/tests/Functional/Parameters/DoctrineTest.php b/tests/Functional/Parameters/DoctrineTest.php
index 56b4bdbb1e0..65a96e0953f 100644
--- a/tests/Functional/Parameters/DoctrineTest.php
+++ b/tests/Functional/Parameters/DoctrineTest.php
@@ -203,7 +203,7 @@ public function testPartialSearchFilterWithSearchFilterParameter(string $url, in
 
         $this->assertCount($expectedCount, $filteredItems, \sprintf('Expected %d items for URL %s', $expectedCount, $url));
 
-        $foos = array_map(static fn ($item) => $item['foo'], $filteredItems);
+        $foos = array_map(static fn (array $item) => $item['foo'], $filteredItems);
         sort($foos);
         sort($expectedFoos);
 
diff --git a/tests/Functional/Parameters/ExactFilterTest.php b/tests/Functional/Parameters/ExactFilterTest.php
index e440c1c3a7e..60c65785c96 100644
--- a/tests/Functional/Parameters/ExactFilterTest.php
+++ b/tests/Functional/Parameters/ExactFilterTest.php
@@ -67,7 +67,7 @@ public function testExactSearchFilter(string $url, int $expectedCount, array $ex
 
         $this->assertCount($expectedCount, $filteredItems, \sprintf('Expected %d items for URL %s', $expectedCount, $url));
 
-        $names = array_map(static fn ($chicken) => $chicken['name'], $filteredItems);
+        $names = array_map(static fn (array $chicken) => $chicken['name'], $filteredItems);
         sort($names);
         sort($expectedNames);
 
@@ -294,7 +294,7 @@ public function testExactFilterWithManyToOneRelation(string $url, int $expectedC
 
         $this->assertCount($expectedCount, $filteredChickens, \sprintf('Expected %d chickens for URL %s', $expectedCount, $url));
 
-        $names = array_map(static fn ($chicken) => $chicken['name'], $filteredChickens);
+        $names = array_map(static fn (array $chicken) => $chicken['name'], $filteredChickens);
         sort($names);
         sort($expectedChickenNames);
 
@@ -333,7 +333,7 @@ public function testExactFilterWithManyToOneRelationWithPropertyPlaceholder(stri
 
         $this->assertCount($expectedCount, $filteredChickens, \sprintf('Expected %d chickens for URL %s', $expectedCount, $url));
 
-        $names = array_map(static fn ($chicken) => $chicken['name'], $filteredChickens);
+        $names = array_map(static fn (array $chicken) => $chicken['name'], $filteredChickens);
         sort($names);
         sort($expectedChickenNames);
 
diff --git a/tests/Functional/Parameters/LinkProviderParameterTest.php b/tests/Functional/Parameters/LinkProviderParameterTest.php
index 136044de8da..adf78e8dae0 100644
--- a/tests/Functional/Parameters/LinkProviderParameterTest.php
+++ b/tests/Functional/Parameters/LinkProviderParameterTest.php
@@ -219,7 +219,7 @@ public function testIssue7469IriGenerationFailsForLinkedResource(): void
         $manager->persist($issue7469Dummy);
         $manager->flush();
 
-        $r = self::createClient()->request('GET', '/issue_7469_test_resources/'.$issue7469Dummy->id, ['headers' => ['Accept' => 'application/ld+json']]);
+        self::createClient()->request('GET', '/issue_7469_test_resources/'.$issue7469Dummy->id, ['headers' => ['Accept' => 'application/ld+json']]);
         $this->assertResponseIsSuccessful();
     }
 }
diff --git a/tests/Functional/Parameters/OrderFilterTest.php b/tests/Functional/Parameters/OrderFilterTest.php
index 368ca970289..03eced9a940 100644
--- a/tests/Functional/Parameters/OrderFilterTest.php
+++ b/tests/Functional/Parameters/OrderFilterTest.php
@@ -57,7 +57,7 @@ public function testOrderFilterResponses(string $url, array $expectedOrder): voi
         $responseData = $response->toArray();
         $orderedItems = $responseData['hydra:member'];
 
-        $actualOrder = array_map(static fn ($item) => $item['createdAt'] ?? null, $orderedItems);
+        $actualOrder = array_map(static fn (array $item) => $item['createdAt'] ?? null, $orderedItems);
 
         // Default NULL order is different in PostgreSQL.
         if ($this->isPostgres()) {
@@ -109,7 +109,7 @@ public function testOrderFilterNullsComparisonResponses(string $url, array $expe
         $responseData = $response->toArray();
         $orderedItems = $responseData['hydra:member'];
 
-        $actualOrder = array_map(static fn ($item) => $item['createdAt'] ?? null, $orderedItems);
+        $actualOrder = array_map(static fn (array $item) => $item['createdAt'] ?? null, $orderedItems);
 
         $this->assertSame($expectedOrder, $actualOrder, \sprintf('Expected order does not match for URL %s', $url));
     }
diff --git a/tests/Functional/Parameters/PartialSearchFilterTest.php b/tests/Functional/Parameters/PartialSearchFilterTest.php
index 3a2bebe66da..ca016c4f8f4 100644
--- a/tests/Functional/Parameters/PartialSearchFilterTest.php
+++ b/tests/Functional/Parameters/PartialSearchFilterTest.php
@@ -67,7 +67,7 @@ public function testPartialSearchFilter(string $url, int $expectedCount, array $
 
         $this->assertCount($expectedCount, $filteredItems, \sprintf('Expected %d items for URL %s', $expectedCount, $url));
 
-        $names = array_map(static fn ($chicken) => $chicken['name'], $filteredItems);
+        $names = array_map(static fn (array $chicken) => $chicken['name'], $filteredItems);
         sort($names);
         sort($expectedNames);
 
@@ -487,7 +487,7 @@ public function testPartialSearchFilterWithManyToOneRelation(string $url, int $e
 
         $this->assertCount($expectedCount, $filteredChickens, \sprintf('Expected %d chickens for URL %s', $expectedCount, $url));
 
-        $names = array_map(static fn ($chicken) => $chicken['name'], $filteredChickens);
+        $names = array_map(static fn (array $chicken) => $chicken['name'], $filteredChickens);
         sort($names);
         sort($expectedChickenNames);
 
@@ -526,7 +526,7 @@ public function testPartialSearchFilterWithManyToOneRelationWithPropertyPlacehol
 
         $this->assertCount($expectedCount, $filteredChickens, \sprintf('Expected %d chickens for URL %s', $expectedCount, $url));
 
-        $names = array_map(static fn ($chicken) => $chicken['name'], $filteredChickens);
+        $names = array_map(static fn (array $chicken) => $chicken['name'], $filteredChickens);
         sort($names);
         sort($expectedChickenNames);
 
diff --git a/tests/Functional/Parameters/ValidationTest.php b/tests/Functional/Parameters/ValidationTest.php
index 7c243edd679..98a0f7c2886 100644
--- a/tests/Functional/Parameters/ValidationTest.php
+++ b/tests/Functional/Parameters/ValidationTest.php
@@ -38,7 +38,7 @@ public function testWithGroupFilter(): void
     {
         $response = self::createClient()->request('GET', 'with_parameters_collection');
         $this->assertArraySubset(['violations' => [['message' => 'This value should not be null.']]], $response->toArray(false));
-        $response = self::createClient()->request('GET', 'with_parameters_collection?hydra');
+        self::createClient()->request('GET', 'with_parameters_collection?hydra');
         $this->assertResponseIsSuccessful();
     }
 
diff --git a/tests/Functional/Uuid/UuidFilterBaseTestCase.php b/tests/Functional/Uuid/UuidFilterBaseTestCase.php
index 7068423e967..9ccf8907904 100644
--- a/tests/Functional/Uuid/UuidFilterBaseTestCase.php
+++ b/tests/Functional/Uuid/UuidFilterBaseTestCase.php
@@ -292,7 +292,7 @@ public function testGetOpenApiDescription(): void
                     'format' => 'uuid',
                 ],
             ],
-            array_map(static fn ($p) => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1]), $json['paths']['/'.$this->getUrlPrefix().'_device_endpoints']['get']['parameters'])
+            array_map(static fn ($p): array => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1]), $json['paths']['/'.$this->getUrlPrefix().'_device_endpoints']['get']['parameters'])
         );
 
         self::assertContains(
@@ -310,7 +310,7 @@ public function testGetOpenApiDescription(): void
                 'style' => 'deepObject',
                 'explode' => true,
             ],
-            array_map(static fn ($p) => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1, 'style' => 1, 'explode' => 1]), $json['paths']['/'.$this->getUrlPrefix().'_device_endpoints']['get']['parameters'])
+            array_map(static fn ($p): array => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1, 'style' => 1, 'explode' => 1]), $json['paths']['/'.$this->getUrlPrefix().'_device_endpoints']['get']['parameters'])
         );
     }
 
diff --git a/tests/Functional/Uuid/UuidFilterWithCustomSchemaTest.php b/tests/Functional/Uuid/UuidFilterWithCustomSchemaTest.php
index 3db038da67b..f39d06d0eb9 100644
--- a/tests/Functional/Uuid/UuidFilterWithCustomSchemaTest.php
+++ b/tests/Functional/Uuid/UuidFilterWithCustomSchemaTest.php
@@ -62,7 +62,7 @@ public function testGetOpenApiDescriptionWhenNoCustomerSchema(): void
                     'format' => 'uuid',
                 ],
             ],
-            array_map(static fn ($p) => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1]), $json['paths']['/uuid_filter_with_custom_schemas']['get']['parameters'])
+            array_map(static fn ($p): array => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1]), $json['paths']['/uuid_filter_with_custom_schemas']['get']['parameters'])
         );
 
         self::assertContains(
@@ -80,7 +80,7 @@ public function testGetOpenApiDescriptionWhenNoCustomerSchema(): void
                 'style' => 'deepObject',
                 'explode' => true,
             ],
-            array_map(static fn ($p) => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1, 'style' => 1, 'explode' => 1]), $json['paths']['/uuid_filter_with_custom_schemas']['get']['parameters'])
+            array_map(static fn ($p): array => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1, 'style' => 1, 'explode' => 1]), $json['paths']['/uuid_filter_with_custom_schemas']['get']['parameters'])
         );
     }
 
@@ -102,7 +102,7 @@ public function testGetOpenApiDescriptionWhenSchemaIsOnlyString(): void
                     'format' => 'uuid',
                 ],
             ],
-            array_map(static fn ($p) => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1]), $json['paths']['/uuid_filter_with_custom_schemas']['get']['parameters'])
+            array_map(static fn ($p): array => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1]), $json['paths']['/uuid_filter_with_custom_schemas']['get']['parameters'])
         );
 
         self::assertNotContains(
@@ -138,7 +138,7 @@ public function testGetOpenApiDescriptionWhenSchemaIsOnlyArray(): void
                 'style' => 'deepObject',
                 'explode' => true,
             ],
-            array_map(static fn ($p) => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1, 'style' => 1, 'explode' => 1]), $json['paths']['/uuid_filter_with_custom_schemas']['get']['parameters'])
+            array_map(static fn ($p): array => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1, 'style' => 1, 'explode' => 1]), $json['paths']['/uuid_filter_with_custom_schemas']['get']['parameters'])
         );
     }
 
@@ -160,7 +160,7 @@ public function testGetOpenApiDescriptionIsOneOfArrayOrString(): void
                     'format' => 'uuid',
                 ],
             ],
-            array_map(static fn ($p) => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1]), $json['paths']['/uuid_filter_with_custom_schemas']['get']['parameters'])
+            array_map(static fn ($p): array => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1]), $json['paths']['/uuid_filter_with_custom_schemas']['get']['parameters'])
         );
 
         self::assertContains(
@@ -178,7 +178,7 @@ public function testGetOpenApiDescriptionIsOneOfArrayOrString(): void
                 'style' => 'deepObject',
                 'explode' => true,
             ],
-            array_map(static fn ($p) => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1, 'style' => 1, 'explode' => 1]), $json['paths']['/uuid_filter_with_custom_schemas']['get']['parameters'])
+            array_map(static fn ($p): array => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1, 'style' => 1, 'explode' => 1]), $json['paths']['/uuid_filter_with_custom_schemas']['get']['parameters'])
         );
     }
 
diff --git a/tests/Functional/Uuid/UuidFilterWithSymfonyUlidTest.php b/tests/Functional/Uuid/UuidFilterWithSymfonyUlidTest.php
index b70e74f32e0..1a70c75b74d 100644
--- a/tests/Functional/Uuid/UuidFilterWithSymfonyUlidTest.php
+++ b/tests/Functional/Uuid/UuidFilterWithSymfonyUlidTest.php
@@ -73,7 +73,7 @@ public function testGetOpenApiDescription(): void
                     'format' => 'ulid',
                 ],
             ],
-            array_map(static fn ($p) => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1]), $json['paths']['/'.$this->getUrlPrefix().'_device_endpoints']['get']['parameters'])
+            array_map(static fn ($p): array => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1]), $json['paths']['/'.$this->getUrlPrefix().'_device_endpoints']['get']['parameters'])
         );
 
         self::assertContains(
@@ -91,7 +91,7 @@ public function testGetOpenApiDescription(): void
                 'style' => 'deepObject',
                 'explode' => true,
             ],
-            array_map(static fn ($p) => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1, 'style' => 1, 'explode' => 1]), $json['paths']['/'.$this->getUrlPrefix().'_device_endpoints']['get']['parameters'])
+            array_map(static fn ($p): array => array_intersect_key($p, ['name' => 1, 'in' => 1, 'required' => 1, 'schema' => 1, 'style' => 1, 'explode' => 1]), $json['paths']['/'.$this->getUrlPrefix().'_device_endpoints']['get']['parameters'])
         );
     }
 }
diff --git a/tests/Problem/Serializer/ConstraintViolationNormalizerTest.php b/tests/Problem/Serializer/ConstraintViolationNormalizerTest.php
index 78f292fdf3c..81b288d9277 100644
--- a/tests/Problem/Serializer/ConstraintViolationNormalizerTest.php
+++ b/tests/Problem/Serializer/ConstraintViolationNormalizerTest.php
@@ -82,7 +82,7 @@ public static function nameConverterProvider(): iterable
 
         $nameConverterFactory = static function (self $that): NameConverterInterface {
             $nameConverterProphecy = $that->prophesize(NameConverterInterface::class);
-            $nameConverterProphecy->normalize(Argument::cetera())->will(static fn ($args) => '_'.$args[0]);
+            $nameConverterProphecy->normalize(Argument::cetera())->will(static fn ($args): string => '_'.$args[0]);
 
             return $nameConverterProphecy->reveal();
         };
@@ -103,6 +103,6 @@ public static function nameConverterProvider(): iterable
                 'code' => null,
             ],
         ];
-        yield [static fn () => null, $expected];
+        yield [static fn (): null => null, $expected];
     }
 }
diff --git a/tests/State/Pagination/ArrayPaginatorTest.php b/tests/State/Pagination/ArrayPaginatorTest.php
index 46cec3ccfb8..1ccf1053379 100644
--- a/tests/State/Pagination/ArrayPaginatorTest.php
+++ b/tests/State/Pagination/ArrayPaginatorTest.php
@@ -23,7 +23,7 @@
 class ArrayPaginatorTest extends TestCase
 {
     #[DataProvider('initializeProvider')]
-    public function testInitialize(array $results, $firstResult, $maxResults, $currentItems, $totalItems, $currentPage, $lastPage, $hasNextPage): void
+    public function testInitialize(array $results, int $firstResult, int $maxResults, int $currentItems, int $totalItems, int $currentPage, int $lastPage, bool $hasNextPage): void
     {
         $paginator = new ArrayPaginator($results, $firstResult, $maxResults);
 
diff --git a/tests/State/Provider/BackedEnumProviderTest.php b/tests/State/Provider/BackedEnumProviderTest.php
index 9b5898b30a5..58d3a23388f 100644
--- a/tests/State/Provider/BackedEnumProviderTest.php
+++ b/tests/State/Provider/BackedEnumProviderTest.php
@@ -57,7 +57,7 @@ public function testProvideItem(string $class, string|int $id, \BackedEnum $expe
         $this->testProvide($expected, $operation, ['id' => $id]);
     }
 
-    private function testProvide($expected, Operation $operation, array $uriVariables = [], array $context = []): void
+    private function testProvide(array|\BackedEnum $expected, Operation $operation, array $uriVariables = [], array $context = []): void
     {
         $decorated = $this->prophesize(ProviderInterface::class);
         $decorated->provide(Argument::any())->shouldNotBeCalled();
diff --git a/tests/State/Provider/ObjectMapperProviderTest.php b/tests/State/Provider/ObjectMapperProviderTest.php
index 5917c82474d..a0be47fe66d 100644
--- a/tests/State/Provider/ObjectMapperProviderTest.php
+++ b/tests/State/Provider/ObjectMapperProviderTest.php
@@ -114,7 +114,7 @@ public function testProvideMapsArray(): void
         $objectMapper = $this->createMock(ObjectMapperInterface::class);
         $objectMapper->expects($this->exactly(2))
             ->method('map')
-            ->willReturnCallback(static function ($source, $target) use ($sourceEntity1, $sourceEntity2, $targetResource1, $targetResource2) {
+            ->willReturnCallback(static function ($source, $target) use ($sourceEntity1, $sourceEntity2, $targetResource1, $targetResource2): ?\ApiPlatform\Tests\State\Provider\TargetResource {
                 if ($source === $sourceEntity1) {
                     return $targetResource1;
                 }
@@ -146,7 +146,7 @@ public function testProvideMapsPaginator(): void
         $objectMapper = $this->createMock(ObjectMapperInterface::class);
         $objectMapper->expects($this->exactly(2))
             ->method('map')
-            ->willReturnCallback(static function ($source, $target) use ($sourceEntity1, $sourceEntity2, $targetResource1, $targetResource2) {
+            ->willReturnCallback(static function ($source, $target) use ($sourceEntity1, $sourceEntity2, $targetResource1, $targetResource2): ?\ApiPlatform\Tests\State\Provider\TargetResource {
                 if ($source === $sourceEntity1) {
                     return $targetResource1;
                 }
diff --git a/tests/State/RespondProcessorTest.php b/tests/State/RespondProcessorTest.php
index 34db1b78173..734404b2f42 100644
--- a/tests/State/RespondProcessorTest.php
+++ b/tests/State/RespondProcessorTest.php
@@ -105,7 +105,7 @@ class: Employee::class,
 
     public function testAddsExceptionHeaders(): void
     {
-        $operation = new Get();
+        new Get();
 
         $respondProcessor = new RespondProcessor();
         $req = new Request();
@@ -171,9 +171,7 @@ public function testDoesNotAddLinkedDataPlatformHeadersWithoutFactory(): void
 
         $respondProcessor = new RespondProcessor(
             null,
-            $resourceClassResolver->reveal(),
-            null,
-            null // No ResourceMetadataCollectionFactory
+            $resourceClassResolver->reveal() // No ResourceMetadataCollectionFactory
         );
 
         $req = new Request();
diff --git a/tests/Symfony/Bundle/DependencyInjection/Compiler/ElasticsearchClientPassTest.php b/tests/Symfony/Bundle/DependencyInjection/Compiler/ElasticsearchClientPassTest.php
index 70e954540ee..a0b0ddd44d7 100644
--- a/tests/Symfony/Bundle/DependencyInjection/Compiler/ElasticsearchClientPassTest.php
+++ b/tests/Symfony/Bundle/DependencyInjection/Compiler/ElasticsearchClientPassTest.php
@@ -123,7 +123,7 @@ public function testProcessWithSslCaBundle(): void
 
         $clientDefinition->expects($this->once())
             ->method('setArguments')
-            ->with($this->callback(static function ($arguments) {
+            ->with($this->callback(static function ($arguments): bool {
                 $config = $arguments[0];
 
                 return isset($config['hosts'])
@@ -171,7 +171,7 @@ public function testProcessWithSslVerificationDisabled(): void
 
         $clientDefinition->expects($this->once())
             ->method('setArguments')
-            ->with($this->callback(static function ($arguments) {
+            ->with($this->callback(static function ($arguments): bool {
                 $config = $arguments[0];
 
                 return isset($config['hosts'])
diff --git a/tests/Symfony/Bundle/DependencyInjection/Compiler/FilterPassTest.php b/tests/Symfony/Bundle/DependencyInjection/Compiler/FilterPassTest.php
index 0c856126ab6..bf1f4ca8174 100644
--- a/tests/Symfony/Bundle/DependencyInjection/Compiler/FilterPassTest.php
+++ b/tests/Symfony/Bundle/DependencyInjection/Compiler/FilterPassTest.php
@@ -36,7 +36,7 @@ public function testProcess(): void
         $this->assertInstanceOf(CompilerPassInterface::class, $filterPass);
 
         $filterLocatorDefinitionProphecy = $this->prophesize(Definition::class);
-        $filterLocatorDefinitionProphecy->addArgument(Argument::that(static fn (array $arg) => !isset($arg['foo']) && isset($arg['my_id']) && $arg['my_id'] instanceof Reference))->willReturn($filterLocatorDefinitionProphecy->reveal())->shouldBeCalled();
+        $filterLocatorDefinitionProphecy->addArgument(Argument::that(static fn (array $arg): bool => !isset($arg['foo']) && isset($arg['my_id']) && $arg['my_id'] instanceof Reference))->willReturn($filterLocatorDefinitionProphecy->reveal())->shouldBeCalled();
 
         $containerBuilderProphecy = $this->prophesize(ContainerBuilder::class);
         $containerBuilderProphecy->findTaggedServiceIds('api_platform.filter', true)->willReturn(['foo' => [], 'bar' => [['id' => 'my_id']]])->shouldBeCalled();
@@ -52,7 +52,7 @@ public function testIdNotExist(): void
         $this->assertInstanceOf(CompilerPassInterface::class, $filterPass);
 
         $filterLocatorDefinitionProphecy = $this->prophesize(Definition::class);
-        $filterLocatorDefinitionProphecy->addArgument(Argument::that(static fn (array $arg) => !isset($arg['foo']) && isset($arg['bar']) && $arg['bar'] instanceof Reference))->willReturn($filterLocatorDefinitionProphecy->reveal())->shouldBeCalled();
+        $filterLocatorDefinitionProphecy->addArgument(Argument::that(static fn (array $arg): bool => !isset($arg['foo']) && isset($arg['bar']) && $arg['bar'] instanceof Reference))->willReturn($filterLocatorDefinitionProphecy->reveal())->shouldBeCalled();
 
         $containerBuilderProphecy = $this->prophesize(ContainerBuilder::class);
         $containerBuilderProphecy->findTaggedServiceIds('api_platform.filter', true)->willReturn(['foo' => [], 'bar' => [['hi' => 'hello']]])->shouldBeCalled();
diff --git a/tests/Symfony/Bundle/DependencyInjection/Compiler/GraphQlResolverPassTest.php b/tests/Symfony/Bundle/DependencyInjection/Compiler/GraphQlResolverPassTest.php
index eee98a43ae9..7e376ff2370 100644
--- a/tests/Symfony/Bundle/DependencyInjection/Compiler/GraphQlResolverPassTest.php
+++ b/tests/Symfony/Bundle/DependencyInjection/Compiler/GraphQlResolverPassTest.php
@@ -31,7 +31,7 @@ public function testProcess(): void
         $this->assertInstanceOf(CompilerPassInterface::class, $filterPass);
 
         $typeLocatorDefinition = $this->createMock(Definition::class);
-        $typeLocatorDefinition->expects($this->once())->method('addArgument')->with($this->callback(static function () {
+        $typeLocatorDefinition->expects($this->once())->method('addArgument')->with($this->callback(static function (): true {
             return true;
         }));
 
diff --git a/tests/Symfony/Bundle/DependencyInjection/Compiler/GraphQlTypePassTest.php b/tests/Symfony/Bundle/DependencyInjection/Compiler/GraphQlTypePassTest.php
index f86bbf4cc56..9f774fb368a 100644
--- a/tests/Symfony/Bundle/DependencyInjection/Compiler/GraphQlTypePassTest.php
+++ b/tests/Symfony/Bundle/DependencyInjection/Compiler/GraphQlTypePassTest.php
@@ -36,7 +36,7 @@ public function testProcess(): void
         $this->assertInstanceOf(CompilerPassInterface::class, $filterPass);
 
         $typeLocatorDefinitionProphecy = $this->prophesize(Definition::class);
-        $typeLocatorDefinitionProphecy->addArgument(Argument::that(static fn (array $arg) => !isset($arg['foo']) && isset($arg['my_id']) && $arg['my_id'] instanceof Reference))->willReturn($typeLocatorDefinitionProphecy->reveal())->shouldBeCalled();
+        $typeLocatorDefinitionProphecy->addArgument(Argument::that(static fn (array $arg): bool => !isset($arg['foo']) && isset($arg['my_id']) && $arg['my_id'] instanceof Reference))->willReturn($typeLocatorDefinitionProphecy->reveal())->shouldBeCalled();
 
         $typesFactoryDefinitionProphecy = $this->prophesize(Definition::class);
         $typesFactoryDefinitionProphecy->addArgument(['my_id'])->willReturn($typesFactoryDefinitionProphecy->reveal())->shouldBeCalled();
@@ -57,7 +57,7 @@ public function testIdNotExist(): void
         $this->assertInstanceOf(CompilerPassInterface::class, $filterPass);
 
         $typeLocatorDefinitionProphecy = $this->prophesize(Definition::class);
-        $typeLocatorDefinitionProphecy->addArgument(Argument::that(static fn (array $arg) => !isset($arg['foo']) && isset($arg['bar']) && $arg['bar'] instanceof Reference))->willReturn($typeLocatorDefinitionProphecy->reveal())->shouldBeCalled();
+        $typeLocatorDefinitionProphecy->addArgument(Argument::that(static fn (array $arg): bool => !isset($arg['foo']) && isset($arg['bar']) && $arg['bar'] instanceof Reference))->willReturn($typeLocatorDefinitionProphecy->reveal())->shouldBeCalled();
 
         $typesFactoryDefinitionProphecy = $this->prophesize(Definition::class);
         $typesFactoryDefinitionProphecy->addArgument(['bar'])->willReturn($typesFactoryDefinitionProphecy->reveal())->shouldBeCalled();
diff --git a/tests/Symfony/Bundle/DependencyInjection/Compiler/TestClientPassTest.php b/tests/Symfony/Bundle/DependencyInjection/Compiler/TestClientPassTest.php
index 37284d9f824..66ca96b20a6 100644
--- a/tests/Symfony/Bundle/DependencyInjection/Compiler/TestClientPassTest.php
+++ b/tests/Symfony/Bundle/DependencyInjection/Compiler/TestClientPassTest.php
@@ -57,7 +57,7 @@ public function testProcess(): void
                 'test.api_platform.client',
                 Argument::allOf(
                     Argument::type(Definition::class),
-                    Argument::that(static fn (Definition $testClientDefinition) => Client::class === $testClientDefinition->getClass()
+                    Argument::that(static fn (Definition $testClientDefinition): bool => Client::class === $testClientDefinition->getClass()
                     && !$testClientDefinition->isShared()
                     && $testClientDefinition->isPublic())
                 )
diff --git a/tests/Symfony/Bundle/DependencyInjection/ConfigurationTest.php b/tests/Symfony/Bundle/DependencyInjection/ConfigurationTest.php
index 9b1a5f87936..59805943c63 100644
--- a/tests/Symfony/Bundle/DependencyInjection/ConfigurationTest.php
+++ b/tests/Symfony/Bundle/DependencyInjection/ConfigurationTest.php
@@ -257,7 +257,7 @@ public static function invalidHttpStatusCodeProvider(): array
     }
 
     #[DataProvider('invalidHttpStatusCodeProvider')]
-    public function testExceptionToStatusConfigWithInvalidHttpStatusCode($invalidHttpStatusCode): void
+    public function testExceptionToStatusConfigWithInvalidHttpStatusCode(int $invalidHttpStatusCode): void
     {
         $this->expectException(InvalidConfigurationException::class);
         $this->expectExceptionMessageMatches('/The HTTP status code ".+" is not valid\\./');
@@ -284,7 +284,7 @@ public static function invalidHttpStatusCodeValueProvider(): array
     }
 
     #[DataProvider('invalidHttpStatusCodeValueProvider')]
-    public function testExceptionToStatusConfigWithInvalidHttpStatusCodeValue($invalidHttpStatusCodeValue): void
+    public function testExceptionToStatusConfigWithInvalidHttpStatusCodeValue(bool|float|string|null $invalidHttpStatusCodeValue): void
     {
         $this->expectException(InvalidTypeException::class);
         $this->expectExceptionMessageMatches('/Invalid type for path "api_platform\\.exception_to_status\\.Exception". Expected "?int"?, but got .+\\./');
@@ -309,7 +309,7 @@ public function testInvalidApiKeysConfig(): void
             'type' => 'query',
         ];
 
-        $config = $this->processor->processConfiguration($this->configuration, [
+        $this->processor->processConfiguration($this->configuration, [
             'api_platform' => [
                 'swagger' => [
                     'api_keys' => ['Some Authorization name, like JWT' => $exampleConfig, 'Another-Auth' => $exampleConfig],
diff --git a/tests/Symfony/Bundle/Test/ApiTestCaseTest.php b/tests/Symfony/Bundle/Test/ApiTestCaseTest.php
index 422d1e558c6..6e5bea9a56c 100644
--- a/tests/Symfony/Bundle/Test/ApiTestCaseTest.php
+++ b/tests/Symfony/Bundle/Test/ApiTestCaseTest.php
@@ -319,7 +319,7 @@ public function testFindIriBy(): void
 
     public function testGetPrioritizedOperation(): void
     {
-        $r = self::createClient()->request('GET', '/operation_priority/1', [
+        self::createClient()->request('GET', '/operation_priority/1', [
             'headers' => [
                 'accept' => 'application/ld+json',
             ],
diff --git a/tests/Symfony/Bundle/Test/ClientTest.php b/tests/Symfony/Bundle/Test/ClientTest.php
index 9fb196f87ce..6a668646a5a 100644
--- a/tests/Symfony/Bundle/Test/ClientTest.php
+++ b/tests/Symfony/Bundle/Test/ClientTest.php
@@ -101,7 +101,7 @@ public function testDefaultHeaders(): void
     }
 
     #[DataProvider('authBasicProvider')]
-    public function testAuthBasic($basic): void
+    public function testAuthBasic(string|array $basic): void
     {
         $this->recreateSchema([SecuredDummy::class, RelatedDummy::class]);
         $client = self::createClient();
diff --git a/tests/Symfony/Controller/MainControllerTest.php b/tests/Symfony/Controller/MainControllerTest.php
index 2a9d15b5e3e..896a53e2cce 100644
--- a/tests/Symfony/Controller/MainControllerTest.php
+++ b/tests/Symfony/Controller/MainControllerTest.php
@@ -70,8 +70,8 @@ public function testControllerWithNonExistentUriVariables(): void
         $processor = $this->createMock(ProcessorInterface::class);
         $controller = new MainController($resourceMetadataFactory, $provider, $processor);
 
-        $body = new \stdClass();
-        $response = new Response();
+        new \stdClass();
+        new Response();
         $request = new Request();
         $request->attributes->set('_api_operation', new Get(uriVariables: ['id' => new Link()]));
 
@@ -142,7 +142,7 @@ public function testControllerErrorWithUriVariablesDuringProvider(): void
 
         $provider->expects($this->once())
             ->method('provide')
-            ->willReturnCallback(static function () use ($request) {
+            ->willReturnCallback(static function () use ($request): \stdClass {
                 $request->attributes->set('_api_operation', new Error(uriVariables: ['status' => new Link()]));
                 $request->attributes->remove('id');
 
diff --git a/tests/Symfony/Messenger/ProcessorTest.php b/tests/Symfony/Messenger/ProcessorTest.php
index 098d0aedc32..8c323361dff 100644
--- a/tests/Symfony/Messenger/ProcessorTest.php
+++ b/tests/Symfony/Messenger/ProcessorTest.php
@@ -35,7 +35,7 @@ public function testPersist(): void
         $dummy = new Dummy();
 
         $messageBus = $this->prophesize(MessageBusInterface::class);
-        $messageBus->dispatch(Argument::that(static fn (Envelope $envelope) => $dummy === $envelope->getMessage() && null !== $envelope->last(ContextStamp::class)))->willReturn(new Envelope($dummy))->shouldBeCalled();
+        $messageBus->dispatch(Argument::that(static fn (Envelope $envelope): bool => $dummy === $envelope->getMessage() && null !== $envelope->last(ContextStamp::class)))->willReturn(new Envelope($dummy))->shouldBeCalled();
 
         $processor = new Processor($messageBus->reveal());
         $this->assertSame($dummy, $processor->process($dummy, new Get()));
@@ -47,7 +47,7 @@ public function testRemove(): void
 
         $messageBus = $this->prophesize(MessageBusInterface::class);
 
-        $messageBus->dispatch(Argument::that(static fn (Envelope $envelope) => $dummy === $envelope->getMessage() && null !== $envelope->last(RemoveStamp::class)))->willReturn(new Envelope($dummy))->shouldBeCalled();
+        $messageBus->dispatch(Argument::that(static fn (Envelope $envelope): bool => $dummy === $envelope->getMessage() && null !== $envelope->last(RemoveStamp::class)))->willReturn(new Envelope($dummy))->shouldBeCalled();
 
         $processor = new Processor($messageBus->reveal());
         $processor->process($dummy, new Delete());
@@ -58,7 +58,7 @@ public function testHandle(): void
         $dummy = new Dummy();
 
         $messageBus = $this->prophesize(MessageBusInterface::class);
-        $messageBus->dispatch(Argument::that(static fn (Envelope $envelope) => $dummy === $envelope->getMessage() && null !== $envelope->last(ContextStamp::class)))->willReturn((new Envelope($dummy))->with(new HandledStamp($dummy, 'DummyHandler::__invoke')))->shouldBeCalled();
+        $messageBus->dispatch(Argument::that(static fn (Envelope $envelope): bool => $dummy === $envelope->getMessage() && null !== $envelope->last(ContextStamp::class)))->willReturn((new Envelope($dummy))->with(new HandledStamp($dummy, 'DummyHandler::__invoke')))->shouldBeCalled();
 
         $processor = new Processor($messageBus->reveal());
         $this->assertSame($dummy, $processor->process($dummy, new Get()));
diff --git a/tests/Symfony/Routing/ApiLoaderTest.php b/tests/Symfony/Routing/ApiLoaderTest.php
index da4d2256e05..6038528bbd6 100644
--- a/tests/Symfony/Routing/ApiLoaderTest.php
+++ b/tests/Symfony/Routing/ApiLoaderTest.php
@@ -76,7 +76,6 @@ public function testApiLoader(): void
                 'api_platform.action.get_item',
                 null,
                 RelatedDummyEntity::class,
-                [],
                 'api_dummies_get_item',
                 ['my_default' => 'default_value', '_controller' => 'should_not_be_overriden'],
                 ['GET'],
@@ -91,7 +90,6 @@ public function testApiLoader(): void
                 'api_platform.action.placeholder',
                 null,
                 RelatedDummyEntity::class,
-                [],
                 'api_dummies_delete_item',
                 [],
                 ['DELETE'],
@@ -106,7 +104,6 @@ public function testApiLoader(): void
                 'api_platform.action.placeholder',
                 null,
                 RelatedDummyEntity::class,
-                [],
                 'api_dummies_put_item',
                 [],
                 ['PUT'],
@@ -121,7 +118,6 @@ public function testApiLoader(): void
                 'some.service.name',
                 null,
                 RelatedDummyEntity::class,
-                [],
                 'api_dummies_my_op_collection',
                 ['my_default' => 'default_value', '_format' => 'a valid format'],
                 ['GET'],
@@ -140,7 +136,6 @@ public function testApiLoader(): void
                 'api_platform.action.placeholder',
                 null,
                 RelatedDummyEntity::class,
-                [],
                 'api_dummies_my_second_op_collection',
                 [],
                 ['POST'],
@@ -158,7 +153,6 @@ public function testApiLoader(): void
                 'api_platform.action.placeholder',
                 null,
                 RelatedDummyEntity::class,
-                [],
                 'api_dummies_my_path_op_collection',
                 [],
                 ['GET'],
@@ -173,7 +167,6 @@ public function testApiLoader(): void
                 'api_platform.action.placeholder',
                 true,
                 RelatedDummyEntity::class,
-                [],
                 'api_dummies_my_stateless_op_collection',
                 [],
                 ['GET'],
@@ -188,7 +181,6 @@ public function testApiLoader(): void
                 'Foo\\Bar\\MyController::method',
                 null,
                 RelatedDummyEntity::class,
-                [],
                 'api_dummies_my_controller_method_item',
                 [],
                 ['GET'],
@@ -219,7 +211,6 @@ public function testApiLoaderWithPrefix(): void
                 'api_platform.action.placeholder',
                 null,
                 RelatedDummyEntity::class,
-                [],
                 'api_dummies_get_item',
                 ['my_default' => 'default_value', '_controller' => 'should_not_be_overriden'],
                 ['GET'],
@@ -234,7 +225,6 @@ public function testApiLoaderWithPrefix(): void
                 'api_platform.action.placeholder',
                 null,
                 RelatedDummyEntity::class,
-                [],
                 'api_dummies_delete_item',
                 [],
                 ['DELETE']
@@ -248,7 +238,6 @@ public function testApiLoaderWithPrefix(): void
                 'api_platform.action.placeholder',
                 null,
                 RelatedDummyEntity::class,
-                [],
                 'api_dummies_put_item',
                 [],
                 ['PUT']
@@ -315,7 +304,7 @@ private function getApiLoaderWithResourceMetadataCollection(ResourceMetadataColl
         return new ApiLoader($kernelProphecy->reveal(), $resourceNameCollectionFactoryProphecy->reveal(), $resourceMetadataFactory, $containerProphecy->reveal(), ['jsonld' => ['application/ld+json']], [], false, true, true, false);
     }
 
-    private function getRoute(string $path, string $controller, ?bool $stateless, string $resourceClass, array $identifiers, string $operationName, array $extraDefaults = [], array $methods = [], array $requirements = [], array $options = [], string $host = '', array $schemes = [], string $condition = ''): Route
+    private function getRoute(string $path, string $controller, ?bool $stateless, string $resourceClass, string $operationName, array $extraDefaults = [], array $methods = [], array $requirements = [], array $options = [], string $host = '', array $schemes = [], string $condition = ''): Route
     {
         return new Route(
             $path,
diff --git a/tests/Symfony/Routing/IriConverterTest.php b/tests/Symfony/Routing/IriConverterTest.php
index 0e05743a303..b1da08caad4 100644
--- a/tests/Symfony/Routing/IriConverterTest.php
+++ b/tests/Symfony/Routing/IriConverterTest.php
@@ -316,14 +316,14 @@ public function testGetNoItemFromIri(): void
     private function getResourceClassResolver()
     {
         $resourceClassResolver = $this->prophesize(ResourceClassResolverInterface::class);
-        $resourceClassResolver->isResourceClass(Argument::type('string'))->will(static fn ($args) => true);
+        $resourceClassResolver->isResourceClass(Argument::type('string'))->will(static fn ($args): true => true);
 
         $resourceClassResolver->getResourceClass(Argument::cetera())->will(static fn ($args) => $args[0]::class);
 
         return $resourceClassResolver->reveal();
     }
 
-    private function getIriConverter(?ObjectProphecy $stateProviderProphecy = null, ?ObjectProphecy $routerProphecy = null, ?ObjectProphecy $identifiersExtractorProphecy = null, $resourceMetadataCollectionFactoryProphecy = null, $uriVariablesConverter = null, $decorated = null, ?ObjectProphecy $operationMetadataFactory = null): IriConverter
+    private function getIriConverter(?ObjectProphecy $stateProviderProphecy = null, ?ObjectProphecy $routerProphecy = null, ?ObjectProphecy $identifiersExtractorProphecy = null, $resourceMetadataCollectionFactoryProphecy = null, $uriVariablesConverter = null, ?SkolemIriConverter $decorated = null, ?ObjectProphecy $operationMetadataFactory = null): IriConverter
     {
         if (!$stateProviderProphecy) {
             $stateProviderProphecy = $this->prophesize(ProviderInterface::class);
diff --git a/tests/WithResourcesTrait.php b/tests/WithResourcesTrait.php
index 464c653c263..7925fceddde 100644
--- a/tests/WithResourcesTrait.php
+++ b/tests/WithResourcesTrait.php
@@ -20,7 +20,7 @@ trait WithResourcesTrait
      */
     protected static function writeResources(array $resources): void
     {
-        file_put_contents(__DIR__.'/Fixtures/app/var/resources.php', \sprintf('<?php return [%s];', implode(',', array_map(static fn ($v) => $v.'::class', $resources))));
+        file_put_contents(__DIR__.'/Fixtures/app/var/resources.php', \sprintf('<?php return [%s];', implode(',', array_map(static fn (string $v): string => $v.'::class', $resources))));
     }
 
     protected static function removeResources(): void