original_string: public function getRoot()
      {
          if ($this->root === null) {
              $this->root = $this->menuFactory->createItem($this->getName());
          }
          return $this->root;
      }
code: public function getRoot()
      {
          if ($this->root === null) {
              $this->root = $this->menuFactory->createItem($this->getName());
          }
          return $this->root;
      }
code_tokens: public function getRoot ( ) { if ( $ this -> root === null ) { $ this -> root = $ this -> menuFactory -> createItem ( $ this -> getName ( ) ) ; } return $ this -> root ; }
docstring: Returns root item
  
  @return \Knp\Menu\ItemInterface
docstring_tokens: Returns root item