->scalarNode('locale')->cannotBeEmpty()->defaultValue($defaults['locale'])->end()
                                        ->scalarNode('locales')->cannotBeEmpty()->defaultValue($defaults['locales'])->end()
                                        ->scalarNode('languages')->cannotBeEmpty()->defaultValue($defaults['languages'])->end()
                                        ->scalarNode('locale')->cannotBeEmpty()->defaultValue($defaults['locale'])->end()
                                        ->scalarNode('locales')->cannotBeEmpty()->defaultValue($defaults['locales'])->end()
                                        ->scalarNode('languages')->cannotBeEmpty()->defaultValue($defaults['languages'])->end()