3 namespace Drupal\Core\Cache;
6 * Trait to implement CacheableDependencyInterface for unchanging objects.
8 * @see \Drupal\Core\Cache\CacheableDependencyInterface
10 trait UnchangingCacheableDependencyTrait {
15 public function getCacheContexts() {
22 public function getCacheTags() {
29 public function getCacheMaxAge() {
30 return Cache::PERMANENT;