original_string: public function addZip(Zip $zip): string {
  
          $id = UniqueId::generate(32);
          $this->zip_archives[$id] = $zip;
          return $id;
  
      }
code: public function addZip(Zip $zip): string {
  
          $id = UniqueId::generate(32);
          $this->zip_archives[$id] = $zip;
          return $id;
  
      }
code_tokens: public function addZip ( Zip $ zip ) : string { $ id = UniqueId :: generate ( 32 ) ; $ this -> zip_archives [ $ id ] = $ zip ; return $ id ; }
docstring: Add a Zip object to manager and return its id
  
  @param Zip $zip
  
  @return string
docstring_tokens: Add a Zip object to manager and return its id