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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\Core\Cache\CacheableResponseInterface. | |
| */ | |
| namespace Drupal\Core\Cache; | |
| /** | |
| * Defines an interface for responses that can expose cacheability metadata. | |
| * | |
| * @see \Drupal\Core\Cache\CacheableResponseTrait | |
| */ | |
| interface CacheableResponseInterface { | |
| /** | |
| * Adds a dependency on an object: merges its cacheability metadata. | |
| * | |
| * For instance, when a response depends on some configuration, an entity, or | |
| * an access result, we must make sure their cacheability metadata is present | |
| * on the response. This method makes doing that simple. | |
| * | |
| * @param \Drupal\Core\Cache\CacheableDependencyInterface|mixed $dependency | |
| * The dependency. If the object implements CacheableDependencyInterface, | |
| * then its cacheability metadata will be used. Otherwise, the passed in | |
| * object must be assumed to be uncacheable, so max-age 0 is set. | |
| * | |
| * @return $this | |
| * | |
| * @see \Drupal\Core\Cache\CacheableMetadata::createFromObject() | |
| */ | |
| public function addCacheableDependency($dependency); | |
| /** | |
| * Returns the cacheability metadata for this response. | |
| * | |
| * @return \Drupal\Core\Cache\CacheableMetadata | |
| */ | |
| public function getCacheableMetadata(); | |
| } |