public function process(&$return, $req)
 {
     $cf = new Change($this->settings, $this->changeFactory, $this->changeFactory->getCacher());
     $cf->parseFile(DBC_EXECUTION_MODE == 'web' ? $req['file'] : $req[0]);
     $cf->setIsExecuted(true);
     $return['data'] = $cf->getAsyncStatus();
 }