original_string: public function removeMessage($id)
      {
          $filename = $this->_getFileData($id, 'filename');
  
          if ($this->_quota) {
              $size = filesize($filename);
          }
  
          if (!@unlink($filename)) {
              /**
               * @see Zend_Mail_Storage_Exception
               */
              // require_once 'Zend/Mail/Storage/Exception.php';
              throw new Zend_Mail_Storage_Exception('cannot remove message');
          }
          unset($this->_files[$id - 1]);
          // remove the gap
          $this->_files = array_values($this->_files);
          if ($this->_quota) {
              $this->_addQuotaEntry(0 - (int)$size, -1);
          }
      }
code: public function removeMessage($id)
      {
          $filename = $this->_getFileData($id, 'filename');
  
          if ($this->_quota) {
              $size = filesize($filename);
          }
  
          if (!@unlink($filename)) {
              /**
               * @see Zend_Mail_Storage_Exception
               */
              // require_once 'Zend/Mail/Storage/Exception.php';
              throw new Zend_Mail_Storage_Exception('cannot remove message');
          }
          unset($this->_files[$id - 1]);
          // remove the gap
          $this->_files = array_values($this->_files);
          if ($this->_quota) {
              $this->_addQuotaEntry(0 - (int)$size, -1);
          }
      }
code_tokens: public function removeMessage ( $ id ) { $ filename = $ this -> _getFileData ( $ id , 'filename' ) ; if ( $ this -> _quota ) { $ size = filesize ( $ filename ) ; } if ( ! @ unlink ( $ filename ) ) { /**
               * @see Zend_Mail_Storage_Exception
               */ // require_once 'Zend/Mail/Storage/Exception.php'; throw new Zend_Mail_Storage_Exception ( 'cannot remove message' ) ; } unset ( $ this -> _files [ $ id - 1 ] ) ; // remove the gap $ this -> _files = array_values ( $ this -> _files ) ; if ( $ this -> _quota ) { $ this -> _addQuotaEntry ( 0 - ( int ) $ size , - 1 ) ; } }
docstring: stub for not supported message deletion
  
  @return  null
  @throws  Zend_Mail_Storage_Exception
docstring_tokens: stub for not supported message deletion