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]);
//only if the setting api_execute_async is true and execution_mode is web, then execute it async
$async = $this->settings->getApiExecuteAsync() && DBC_EXECUTION_MODE == 'web';
$return['data'] = $cf->executeSql($async);
}
