original_string: public function getTotalSavedBytes()
      {
          $initialStep = array_first($this->referencePoints);
          $lastStep = array_last($this->referencePoints);
  
          return $initialStep->getBytes() - $lastStep->getBytes();
      }
code: public function getTotalSavedBytes()
      {
          $initialStep = array_first($this->referencePoints);
          $lastStep = array_last($this->referencePoints);
  
          return $initialStep->getBytes() - $lastStep->getBytes();
      }
code_tokens: public function getTotalSavedBytes ( ) { $ initialStep = array_first ( $ this -> referencePoints ) ; $ lastStep = array_last ( $ this -> referencePoints ) ; return $ initialStep -> getBytes ( ) - $ lastStep -> getBytes ( ) ; }
docstring: Get the total saved bytes in bytes.
  
  @return int
docstring_tokens: Get the total saved bytes in bytes .