<?php namespace Bluesquare\TestBundle\DependencyInjection; use Symfony\Component\Config\Definition\Builder\TreeBuilder; use Symfony\Component\Config\Definition\ConfigurationInterface; class Configuration implements ConfigurationInterface { /** * Generates the configuration tree builder. * * @return \Symfony\Component\Config\Definition\Builder\TreeBuilder The tree builder */ public function getConfigTreeBuilder() { $treeBuilder = new TreeBuilder(); $root = $treeBuilder->root('billing'); $root->end(); return $treeBuilder; } }