original_string: public function get($line)
      {
          return isset($this->lines[$line-1]) ? $this->lines[$line-1] : null;
      }
code: public function get($line)
      {
          return isset($this->lines[$line-1]) ? $this->lines[$line-1] : null;
      }
code_tokens: public function get ( $ line ) { return isset ( $ this -> lines [ $ line - 1 ] ) ? $ this -> lines [ $ line - 1 ] : null ; }
docstring: Gets content of the line
  
  @return string return null if content deleted
docstring_tokens: Gets content of the line