Fix deprecations

DependencyInjection/Configuration.php

@@ -16,7 +16,7 @@
 
 final class Configuration implements ConfigurationInterface
 {
-    public function getConfigTreeBuilder()
+    public function getConfigTreeBuilder(): TreeBuilder
     {
         $treeBuilder = new TreeBuilder('nelmio_api_doc');
 

Resources/doc/index.rst

@@ -39,7 +39,7 @@ Open a command console, enter your project directory and execute the following c
 
         class AppKernel extends Kernel
         {
-            public function registerBundles()
+            public function registerBundles(): iterable
             {
                 $bundles = [
                     // ...

Tests/Functional/ArrayItemsErrorTest.php

@@ -12,6 +12,7 @@
 namespace Nelmio\ApiDocBundle\Tests\Functional;
 
 use Nelmio\ApiDocBundle\Exception\UndocumentedArrayItemsException;
+use Symfony\Component\HttpKernel\KernelInterface;
 
 class ArrayItemsErrorTest extends WebTestCase
 {
@@ -30,7 +31,7 @@ public function testModelPictureDocumentation()
         $this->getSwaggerDefinition();
     }
 
-    protected static function createKernel(array $options = [])
+    protected static function createKernel(array $options = []): KernelInterface
     {
         return new TestKernel(TestKernel::ERROR_ARRAY_ITEMS);
     }

Tests/Functional/BazingaFunctionalTest.php

@@ -12,6 +12,7 @@
 namespace Nelmio\ApiDocBundle\Tests\Functional;
 
 use Hateoas\Configuration\Embedded;
+use Symfony\Component\HttpKernel\KernelInterface;
 
 class BazingaFunctionalTest extends WebTestCase
 {
@@ -120,7 +121,7 @@ public function testWithType()
         ], $this->getModel('BazingaUserTyped')->toArray());
     }
 
-    protected static function createKernel(array $options = [])
+    protected static function createKernel(array $options = []): KernelInterface
     {
         return new TestKernel(TestKernel::USE_JMS | TestKernel::USE_BAZINGA);
     }

Tests/Functional/JMSFunctionalTest.php

@@ -11,6 +11,8 @@
 
 namespace Nelmio\ApiDocBundle\Tests\Functional;
 
+use Symfony\Component\HttpKernel\KernelInterface;
+
 class JMSFunctionalTest extends WebTestCase
 {
     protected function setUp(): void
@@ -302,7 +304,7 @@ public function testNamingStrategyWithConstraints()
         ], $this->getModel('JMSNamingStrategyConstraints')->toArray());
     }
 
-    protected static function createKernel(array $options = [])
+    protected static function createKernel(array $options = []): KernelInterface
     {
         return new TestKernel(TestKernel::USE_JMS);
     }

Tests/Functional/TestKernel.php

@@ -52,7 +52,7 @@ public function __construct(int $flags = 0)
     /**
      * {@inheritdoc}
      */
-    public function registerBundles()
+    public function registerBundles(): iterable
     {
         $bundles = [
             new FrameworkBundle(),
@@ -241,15 +241,15 @@ protected function configureContainer(ContainerBuilder $c, LoaderInterface $load
     /**
      * {@inheritdoc}
      */
-    public function getCacheDir()
+    public function getCacheDir(): string
     {
         return parent::getCacheDir().'/'.$this->flags;
     }
 
     /**
      * {@inheritdoc}
      */
-    public function getLogDir()
+    public function getLogDir(): string
     {
         return parent::getLogDir().'/'.$this->flags;
     }

Tests/Functional/WebTestCase.php

@@ -14,10 +14,11 @@
 use EXSyst\Component\Swagger\Operation;
 use EXSyst\Component\Swagger\Schema;
 use Symfony\Bundle\FrameworkBundle\Test\WebTestCase as BaseWebTestCase;
+use Symfony\Component\HttpKernel\KernelInterface;
 
 class WebTestCase extends BaseWebTestCase
 {
-    protected static function createKernel(array $options = [])
+    protected static function createKernel(array $options = []): KernelInterface
     {
         return new TestKernel();
     }