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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(); | |
} |