original_string: private function addClientSection(ArrayNodeDefinition $node)
      {
          $node
              ->children()
                  ->arrayNode('client')
                      ->children()
                          ->scalarNode('application_name')->isRequired()->cannotBeEmpty()->end()
                          ->scalarNode('client_id')->end()
                          ->scalarNode('client_secret')->end()
                          ->scalarNode('redirect_uri')->end()
                          ->scalarNode('developer_key')->end()
                      ->end()
                  ->end()
              ->end()
          ;
      }
code: private function addClientSection(ArrayNodeDefinition $node)
      {
          $node
              ->children()
                  ->arrayNode('client')
                      ->children()
                          ->scalarNode('application_name')->isRequired()->cannotBeEmpty()->end()
                          ->scalarNode('client_id')->end()
                          ->scalarNode('client_secret')->end()
                          ->scalarNode('redirect_uri')->end()
                          ->scalarNode('developer_key')->end()
                      ->end()
                  ->end()
              ->end()
          ;
      }
code_tokens: private function addClientSection ( ArrayNodeDefinition $ node ) { $ node -> children ( ) -> arrayNode ( 'client' ) -> children ( ) -> scalarNode ( 'application_name' ) -> isRequired ( ) -> cannotBeEmpty ( ) -> end ( ) -> scalarNode ( 'client_id' ) -> end ( ) -> scalarNode ( 'client_secret' ) -> end ( ) -> scalarNode ( 'redirect_uri' ) -> end ( ) -> scalarNode ( 'developer_key' ) -> end ( ) -> end ( ) -> end ( ) -> end ( ) ; }
docstring: Adds the client section.
  
  @param ArrayNodeDefinition $node
docstring_tokens: Adds the client section .