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<?php
namespace Drupal\Core\Cache;
/**
* Trait to implement CacheableDependencyInterface for unchanging objects.
*
* @see \Drupal\Core\Cache\CacheableDependencyInterface
*/
trait UnchangingCacheableDependencyTrait {
/**
* {@inheritdoc}
*/
public function getCacheContexts() {
return [];
}
/**
* {@inheritdoc}
*/
public function getCacheTags() {
return [];
}
/**
* {@inheritdoc}
*/
public function getCacheMaxAge() {
return Cache::PERMANENT;
}
}
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