The bundle adds a bunch of classes and might prove useful when you need to build easily extensible architecture, it defines some sort of extension-points architecture that leverages CompilerPass approach provided by Symfony.

Add this dependency to your composer.json:

"sergeil/expander-bundle": "~1.0"

Update your AppKernel class and add SliExpanderBundle declaration there:

new Sli\ExpanderBundle\SliExpanderBundle(),

It is on its way already, rly

This bundle is under the MIT license. See the complete license in the bundle: Resources/meta/LICENSE