Add PHP types to private methods and functions

Author: wouterj

DependencyInjection/SecurityExtension.php

@@ -353,7 +353,7 @@ private function createFirewalls(array $config, ContainerBuilder $container)
         }
     }
 
-    private function createFirewall(ContainerBuilder $container, string $id, array $firewall, array &$authenticationProviders, array $providerIds, string $configId)
+    private function createFirewall(ContainerBuilder $container, string $id, array $firewall, array &$authenticationProviders, array $providerIds, string $configId): array
     {
         $config = $container->setDefinition($configId, new ChildDefinition('security.firewall.config'));
         $config->replaceArgument(0, $id);
@@ -599,7 +599,7 @@ private function createContextListener(ContainerBuilder $container, string $cont
         return $this->contextListeners[$contextKey] = $listenerId;
     }
 
-    private function createAuthenticationListeners(ContainerBuilder $container, string $id, array $firewall, array &$authenticationProviders, ?string $defaultProvider, array $providerIds, ?string $defaultEntryPoint, string $contextListenerId = null)
+    private function createAuthenticationListeners(ContainerBuilder $container, string $id, array $firewall, array &$authenticationProviders, ?string $defaultProvider, array $providerIds, ?string $defaultEntryPoint, string $contextListenerId = null): array
     {
         $listeners = [];
         $entryPoints = [];