+                                       ->arrayNode('translate')
+                                               ->treatNullLike(array())
+                                               ->defaultValue($defaults['translate'])
+                                               ->scalarPrototype()->end()
+                                       ->end()
+                                       ->scalarNode('locales')->cannotBeEmpty()->defaultValue($defaults['locales'])->end()
+                                       ->arrayNode('languages')
+                                               ->treatNullLike([])
+                                               ->defaultValue($defaults['languages'])
+                                               ->scalarPrototype()->end()
+                                       ->end()