FIX: Added return type to the loadInternal() method

Author: erichjsonfosse

DependencyInjection/HalloVerdenHttpExceptionsExtension.php

@@ -17,7 +17,7 @@ class HalloVerdenHttpExceptionsExtension extends ConfigurableExtension {
    * @inheritDoc
    * @throws \Exception
    */
-  protected function loadInternal(array $mergedConfig, ContainerBuilder $container) {
+  protected function loadInternal(array $mergedConfig, ContainerBuilder $container): void {
     $loader = new YamlFileLoader($container, new FileLocator(__DIR__ . '/../Resources/config'));
     $loader->load('services.yaml');