public function addSemanticConfig(NodeBuilder $nodeBuilder)
{
$nodeBuilder->arrayNode('io')->info('Binary storage options')->children()->scalarNode('metadata_handler')->info('Handler uses to manipulate IO files metadata')->example('default')->end()->scalarNode('binarydata_handler')->info('Handler uses to manipulate IO files binarydata')->example('default')->end()->scalarNode('url_prefix')->info('Prefix added to binary files uris. A host can also be added')->example('$var_dir$/$storage_dir$, http://static.example.com/')->end()->arrayNode('permissions')->info('Permissions applied by the Local flysystem adapter when creating content files and directories in storage.')->children()->scalarNode('files')->defaultValue('0644')->end()->scalarNode('directories')->defaultValue('0755')->end()->end()->end()->end()->end();
}