Rector changes and immplementations of required methods

src/Bundle/ChillMainBundle/DependencyInjection/Widget/AbstractWidgetsCompilerPass.php

@@ -123,7 +123,7 @@ abstract class AbstractWidgetsCompilerPass implements CompilerPassInterface
         ContainerBuilder $container,
         $extension,
         $containerWidgetConfigParameterName,
-    ) {
+    ): void {
         if (!$container->hasDefinition(self::WIDGET_MANAGER)) {
             throw new \LogicException('the service '.self::WIDGET_MANAGER.' should be present. It is required by '.self::class);
         }