original_string: public function getChildren()
      {
          $current = $this->current();
          $key = $this->key();
          $unfolder = $this->_unfolder;
  
          return new NoChildrenIterator($unfolder($current, $key, $this->_innerIterator));
      }
code: public function getChildren()
      {
          $current = $this->current();
          $key = $this->key();
          $unfolder = $this->_unfolder;
  
          return new NoChildrenIterator($unfolder($current, $key, $this->_innerIterator));
      }
code_tokens: public function getChildren ( ) { $ current = $ this -> current ( ) ; $ key = $ this -> key ( ) ; $ unfolder = $ this -> _unfolder ; return new NoChildrenIterator ( $ unfolder ( $ current , $ key , $ this -> _innerIterator ) ) ; }
docstring: Returns an iterator containing the items generated by transforming
  the current value with the callable function.
  
  @return \RecursiveIterator
docstring_tokens: Returns an iterator containing the items generated by transforming the current value with the callable function .