getExtension(); $config = $extension->getConfig('clientDiag'); $config['diagnostic']['testers']['browser']['browserslistUrl'] = $this->browserlistUrl; $extension->setConfig('clientDiag', $config); } public function down(Schema $schema): void { $extension = $this->getExtension(); $config = $extension->getConfig('clientDiag'); unset($config['diagnostic']['testers']['browser']['browserslistUrl']); $extension->setConfig('clientDiag', $config); } private function getExtension() { return $this->getServiceManager() ->get(\common_ext_ExtensionsManager::SERVICE_ID) ->getExtensionById('taoClientDiagnostic'); } }