do not use internal class

DependencyInjection/ABELkeycloakBearerOnlyAdapterExtension.php

@@ -6,12 +6,12 @@ namespace ABEL\Bundle\keycloakBearerOnlyAdapterBundle\DependencyInjection;
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
-use Symfony\Component\HttpKernel\DependencyInjection\Extension;
+use Symfony\Component\DependencyInjection\Extension\Extension;
 
 class ABELkeycloakBearerOnlyAdapterExtension extends Extension
 {
 
-    public function load(array $configs, ContainerBuilder $container)
+    public function load(array $configs, ContainerBuilder $container): void
     {
         $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
         $loader->load('services.xml');

DependencyInjection/Configuration.php

@@ -10,7 +10,7 @@ use Symfony\Component\Config\Definition\ConfigurationInterface;
 class Configuration implements ConfigurationInterface
 {
 
-    public function getConfigTreeBuilder()
+    public function getConfigTreeBuilder(): TreeBuilder
     {
         $treeBuilder = new TreeBuilder("abel_keycloak_bearer_only_adapter");
 

Security/User/KeycloakBearerUser.php

@@ -261,6 +261,7 @@ class KeycloakBearerUser implements UserInterface
      * 
      * @return void
      */
+    #[\Deprecated]
     public function eraseCredentials(): void
     {
         // TODO: Implement eraseCredentials() method.

Security/User/KeycloakBearerUserProvider.php

@@ -83,7 +83,7 @@ class KeycloakBearerUserProvider implements UserProviderInterface{
      * @param string $class
      * @return bool
      */
-    public function supportsClass(string $class)
+    public function supportsClass(string $class): bool
     {
         return KeycloakBearerUser::class === $class || is_subclass_of($class, KeycloakBearerUser::class);
     }

composer.json

@@ -12,10 +12,10 @@
     "minimum-stability": "stable",
     "require": {
         "php": ">=8.3",
-        "symfony/config": "^6.0",
+        "symfony/config": "^6.0 || ^7.0",
-        "symfony/dependency-injection": "^6.0",
+        "symfony/dependency-injection": "^6.0 || ^7.0",
-        "symfony/http-kernel": "^6.0",
+        "symfony/http-kernel": "^6.0 || ^7.0",
-        "symfony/security-bundle": "^6.0",
+        "symfony/security-bundle": "^6.0 || ^7.0",
         "guzzlehttp/guzzle": "^7",
         "ext-json": "*"
     },