original_string: public function getConfigTreeBuilder()
      {
          $treeBuilder = new TreeBuilder();
          $treeBuilder->root('massive_search')
              ->children()
                  ->arrayNode('services')
                      ->addDefaultsifNotSet()
                      ->children()
                          ->scalarNode('factory')->defaultValue('massive_search.factory_default')->end()
                      ->end()
                  ->end()
                  ->enumNode('adapter')
                      ->values(['zend_lucene', 'elastic', 'test'])
                      ->defaultValue('zend_lucene')->end()
                  ->arrayNode('adapters')
                      ->addDefaultsifNotSet()
                      ->children()
                          ->arrayNode('zend_lucene')
                              ->addDefaultsifNotSet()
                              ->children()
                                  ->booleanNode('hide_index_exception')->defaultValue(false)->end()
                                  ->scalarNode('basepath')->defaultValue('%kernel.root_dir%/data')->end()
                                  ->scalarNode('encoding')->defaultValue('UTF-8')->end()
                              ->end()
                          ->end()
                          ->arrayNode('elastic')
                              ->addDefaultsifNotSet()
                              ->children()
                                  ->scalarNode('version')->defaultValue('2.2')->end()
                                  ->arrayNode('hosts')
                                      ->defaultValue(['localhost:9200'])
                                      ->prototype('scalar')->end()
                                  ->end()
                              ->end()
                          ->end()
                      ->end()
                  ->end()
                  ->arrayNode('metadata')
                      ->addDefaultsIfNotSet()
                      ->children()
                          ->scalarNode('prefix')->defaultValue('massive')->end()
                          ->scalarNode('cache_dir')->defaultValue('%kernel.cache_dir%/massive-search')->end()
                          ->booleanNode('debug')->defaultValue('%kernel.debug%')->end()
                      ->end()
                  ->end()
                  ->arrayNode('persistence')
                      ->addDefaultsifNotSet()
                      ->children()
                          ->arrayNode('doctrine_orm')
                              ->canBeEnabled()
                          ->end()
                      ->end()
                  ->end()
              ->end();
  
          return $treeBuilder;
      }
code: public function getConfigTreeBuilder()
      {
          $treeBuilder = new TreeBuilder();
          $treeBuilder->root('massive_search')
              ->children()
                  ->arrayNode('services')
                      ->addDefaultsifNotSet()
                      ->children()
                          ->scalarNode('factory')->defaultValue('massive_search.factory_default')->end()
                      ->end()
                  ->end()
                  ->enumNode('adapter')
                      ->values(['zend_lucene', 'elastic', 'test'])
                      ->defaultValue('zend_lucene')->end()
                  ->arrayNode('adapters')
                      ->addDefaultsifNotSet()
                      ->children()
                          ->arrayNode('zend_lucene')
                              ->addDefaultsifNotSet()
                              ->children()
                                  ->booleanNode('hide_index_exception')->defaultValue(false)->end()
                                  ->scalarNode('basepath')->defaultValue('%kernel.root_dir%/data')->end()
                                  ->scalarNode('encoding')->defaultValue('UTF-8')->end()
                              ->end()
                          ->end()
                          ->arrayNode('elastic')
                              ->addDefaultsifNotSet()
                              ->children()
                                  ->scalarNode('version')->defaultValue('2.2')->end()
                                  ->arrayNode('hosts')
                                      ->defaultValue(['localhost:9200'])
                                      ->prototype('scalar')->end()
                                  ->end()
                              ->end()
                          ->end()
                      ->end()
                  ->end()
                  ->arrayNode('metadata')
                      ->addDefaultsIfNotSet()
                      ->children()
                          ->scalarNode('prefix')->defaultValue('massive')->end()
                          ->scalarNode('cache_dir')->defaultValue('%kernel.cache_dir%/massive-search')->end()
                          ->booleanNode('debug')->defaultValue('%kernel.debug%')->end()
                      ->end()
                  ->end()
                  ->arrayNode('persistence')
                      ->addDefaultsifNotSet()
                      ->children()
                          ->arrayNode('doctrine_orm')
                              ->canBeEnabled()
                          ->end()
                      ->end()
                  ->end()
              ->end();
  
          return $treeBuilder;
      }
code_tokens: public function getConfigTreeBuilder ( ) { $ treeBuilder = new TreeBuilder ( ) ; $ treeBuilder -> root ( 'massive_search' ) -> children ( ) -> arrayNode ( 'services' ) -> addDefaultsifNotSet ( ) -> children ( ) -> scalarNode ( 'factory' ) -> defaultValue ( 'massive_search.factory_default' ) -> end ( ) -> end ( ) -> end ( ) -> enumNode ( 'adapter' ) -> values ( [ 'zend_lucene' , 'elastic' , 'test' ] ) -> defaultValue ( 'zend_lucene' ) -> end ( ) -> arrayNode ( 'adapters' ) -> addDefaultsifNotSet ( ) -> children ( ) -> arrayNode ( 'zend_lucene' ) -> addDefaultsifNotSet ( ) -> children ( ) -> booleanNode ( 'hide_index_exception' ) -> defaultValue ( false ) -> end ( ) -> scalarNode ( 'basepath' ) -> defaultValue ( '%kernel.root_dir%/data' ) -> end ( ) -> scalarNode ( 'encoding' ) -> defaultValue ( 'UTF-8' ) -> end ( ) -> end ( ) -> end ( ) -> arrayNode ( 'elastic' ) -> addDefaultsifNotSet ( ) -> children ( ) -> scalarNode ( 'version' ) -> defaultValue ( '2.2' ) -> end ( ) -> arrayNode ( 'hosts' ) -> defaultValue ( [ 'localhost:9200' ] ) -> prototype ( 'scalar' ) -> end ( ) -> end ( ) -> end ( ) -> end ( ) -> end ( ) -> end ( ) -> arrayNode ( 'metadata' ) -> addDefaultsIfNotSet ( ) -> children ( ) -> scalarNode ( 'prefix' ) -> defaultValue ( 'massive' ) -> end ( ) -> scalarNode ( 'cache_dir' ) -> defaultValue ( '%kernel.cache_dir%/massive-search' ) -> end ( ) -> booleanNode ( 'debug' ) -> defaultValue ( '%kernel.debug%' ) -> end ( ) -> end ( ) -> end ( ) -> arrayNode ( 'persistence' ) -> addDefaultsifNotSet ( ) -> children ( ) -> arrayNode ( 'doctrine_orm' ) -> canBeEnabled ( ) -> end ( ) -> end ( ) -> end ( ) -> end ( ) ; return $ treeBuilder ; }
docstring: Returns the config tree builder.
  
  @return TreeBuilder
docstring_tokens: Returns the config tree builder .