Symfony Profiler

<?php
namespace OutputDataConfigToolkitBundle\DependencyInjection;
use Symfony\Component\Config\Definition\Builder\TreeBuilder;
use Symfony\Component\Config\Definition\ConfigurationInterface;
class Configuration implements ConfigurationInterface
{
/**
* {@inheritdoc}
*/
public function getConfigTreeBuilder()
{
$treeBuilder = new TreeBuilder();
$rootNode = $treeBuilder->root('output_data_config_toolkit');
$rootNode
->children()
->arrayNode("classification_store")
->children()
->enumNode('display_mode')
->info("possible values are [all, object, relevant, none]")
->values([
'all', // always show all keys
'object', // only show keys which are in any assigned group
'relevant', // use 'object' mode if any group is assigned, else show all keys
'none' // do not show classification store keys
])
->defaultValue('relevant')
->end()
->end()
->end()
->arrayNode("tab_options")
->children()
->booleanNode("order_by_name")->defaultFalse()->end()
->arrayNode("default_classes")
->info("list of class names or ids")
->scalarPrototype()->end()
->end()
->end()
->end()
->end()
->end();
return $treeBuilder;
}
}