-               #TODO: see how we deal with asset url generation: see Rapsys/PackBundle/Twig/PackTokenParser.php +243
-               #framework:
-               #    assets:
-               #        packages:
-               #            rapsys_pack:
-               #                base_path: '/'
-               #                version: ~
-               #
-               ## Force cache disable to regenerate resources each time
-               ##twig:
-               ##    cache: ~
-
-               //TODO: see https://github.com/symfony/symfony/blob/master/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php for default value and description
-               //TODO: see http://symfony.com/doc/current/components/config/definition.html
-               //TODO: see https://github.com/symfony/assetic-bundle/blob/master/DependencyInjection/Configuration.php#L63
-               //TODO: use bin/console config:dump-reference to dump class infos
+               /**
+                * XXX: Note about the output schemes
+                *
+                * The output files are written based on the output.<ext> scheme with the * replaced by the hashed path of packed files
+                *
+                * The following service configuration make twig render the output file path with the right '/' basePath prefix:
+                * services:
+                *     assets.pack_package:
+                *         class: Rapsys\PackBundle\Asset\PathPackage
+                *         arguments: [ '/', '@assets.empty_version_strategy', '@assets.context' ]
+                *     rapsys_pack.twig.pack_extension:
+                *         class: Rapsys\PackBundle\Twig\PackExtension
+                *         arguments: [ '@file_locator', '@service_container', '@assets.pack_package' ]
+                *         tags: [ twig.extension ]
+                */