+ #TODO: see if we can't prevent key normalisation with ->normalizeKeys(false)
+ ->arrayNode('languages')
+ ->treatNullLike([])
+ ->defaultValue($defaults['default']['languages'])
+ ->scalarPrototype()->end()
+ ->end()
+ #TODO: see if we can't prevent key normalisation with ->normalizeKeys(false)
+ ->arrayNode('locales')
+ ->treatNullLike([])
+ ->defaultValue($defaults['default']['locales'])
+ ->scalarPrototype()->end()
+ ->end()