code: public function parse(Twig_Token $token)
      {
          $lineNumber = $token->getLine();
  
          $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
          $body = $this->parser->subparse(function (Twig_Token $token) {
              return $token->test('endjshrink');
          }, true);
          $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
  
          if ($this->enabled) {
              $node = new JshrinkNode($body, $lineNumber, $this->getTag());
              $node->setConfig($this->config);
  
              return $node;
          }
  
          return $body;
      }
docs: {@inheritdoc}