Add missing return types to tests/internal/final methods

Author: nicolas-grekas

Kernel/MicroKernelTrait.php

@@ -165,10 +165,8 @@ public function registerContainerConfiguration(LoaderInterface $loader)
 
     /**
      * @internal
-     *
-     * @return RouteCollection
      */
-    public function loadRoutes(LoaderInterface $loader)
+    public function loadRoutes(LoaderInterface $loader): RouteCollection
     {
         $file = (new \ReflectionObject($this))->getFileName();
         /* @var RoutingPhpFileLoader $kernelLoader */

Tests/Command/TranslationUpdateCommandTest.php

@@ -145,10 +145,7 @@ protected function tearDown(): void
         $this->fs->remove($this->translationDir);
     }
 
-    /**
-     * @return CommandTester
-     */
-    private function createCommandTester($extractedMessages = [], $loadedMessages = [], KernelInterface $kernel = null, array $transPaths = [], array $codePaths = [])
+    private function createCommandTester($extractedMessages = [], $loadedMessages = [], KernelInterface $kernel = null, array $transPaths = [], array $codePaths = []): CommandTester
     {
         $translator = $this->createMock(Translator::class);
         $translator

Tests/Functional/app/AppKernel.php

@@ -106,7 +106,7 @@ protected function getKernelParameters(): array
         return $parameters;
     }
 
-    public function getConfigTreeBuilder()
+    public function getConfigTreeBuilder(): TreeBuilder
     {
         $treeBuilder = new TreeBuilder('foo');
         $rootNode = $treeBuilder->getRootNode();
@@ -119,7 +119,7 @@ public function load(array $configs, ContainerBuilder $container)
     {
     }
 
-    public function getNamespace()
+    public function getNamespace(): string
     {
         return '';
     }
@@ -129,7 +129,7 @@ public function getXsdValidationBasePath()
         return false;
     }
 
-    public function getAlias()
+    public function getAlias(): string
     {
         return 'foo';
     }