->scalarPrototype()->end()
                                        ->end()
                                        ->arrayNode('default')
-                                               ->addDefaultsIfNotSet()
-                                               ->children()
-                                                       ->scalarNode('civility')->cannotBeEmpty()->defaultValue($defaults['default']['civility'])->end()
-                                                       ->arrayNode('group')
-                                                               ->treatNullLike([])
-                                                               ->defaultValue($defaults['default']['group'])
-                                                               ->scalarPrototype()->end()
-                                                       ->end()
-                                               ->end()
+                                               ->treatNullLike([])
+                                               ->defaultValue($defaults['default'])
+                                               ->variablePrototype()->end()
                                        ->end()
                                        ->arrayNode('route')
                                                ->addDefaultsIfNotSet()