Lemon\RestBundle\DependencyInjection\Configuration::getConfigTreeBuilder PHP Метод

    public function getConfigTreeBuilder()
    {
        $treeBuilder = new TreeBuilder();
        $rootNode = $treeBuilder->root('lemon_rest');
        $rootNode->children()->scalarNode('doctrine_registry_service_id')->defaultValue('doctrine')->end()->scalarNode('envelope')->defaultValue('Lemon\\RestBundle\\Object\\Envelope\\FlattenedEnvelope')->end()->scalarNode('criteria')->defaultValue('Lemon\\RestBundle\\Object\\Criteria\\DefaultCriteria')->end()->arrayNode('mappings')->prototype('array')->children()->scalarNode('dir')->end()->scalarNode('prefix')->end()->scalarNode('name')->end()->scalarNode('class')->end()->end()->end()->end()->arrayNode('formats')->useAttributeAsKey('format', true)->prototype('array')->beforeNormalization()->ifTrue(function ($v) {
            return is_array($v) && !isset($v['mimeTypes']);
        })->then(function ($v) {
            return array('mimeTypes' => $v);
        })->end()->children()->arrayNode('mimeTypes')->prototype('scalar')->end()->end()->end()->end()->end()->end();
        return $treeBuilder;
    }