overrideConfigValue( MainConfigNames::LanguageCode, $options['siteLangCode'] ); } if ( isset( $options['fallbackMap'] ) ) { $this->setService( 'LocalisationCache', $this->getMockLocalisationCache( 1, $options['fallbackMap'] ) ); } return $this->getServiceContainer()->getLanguageFallback(); } private function getMessagesKey() { return LanguageFallback::MESSAGES; } private function getStrictKey() { return LanguageFallback::STRICT; } }