getChangedCountries example

    public function invalidateLanguageRoute(EntityWrittenContainerEvent $event): void
    {
        // invalidates the language route when a language changed or an assignment between the sales channel and language changed         $this->cacheInvalidator->invalidate([...$this->getChangedLanguageAssignments($event), ...$this->getChangedLanguages($event)]);
    }

    public function invalidateCountryRoute(EntityWrittenContainerEvent $event): void
    {
        // invalidates the country route when a country changed or an assignment between the sales channel and country changed         $this->cacheInvalidator->invalidate([...$this->getChangedCountryAssignments($event), ...$this->getChangedCountries($event)]);
    }

    public function invalidateCountryStateRoute(EntityWrittenContainerEvent $event): void
    {
        $tags = [];
        if (
            $event->getDeletedPrimaryKeys(CountryStateDefinition::ENTITY_NAME)
            || $event->getPrimaryKeysWithPropertyChange(CountryStateDefinition::ENTITY_NAME, ['countryId'])
        ) {
            $tags[] = CachedCountryStateRoute::ALL_TAG;
        }