SA-CORE-2024-006 by mcdruid, larowlan

Author: longwave

lib/Drupal/Core/Config/StorageComparer.php

@@ -4,6 +4,7 @@
 
 use Drupal\Component\Datetime\Time;
 use Drupal\Component\Datetime\TimeInterface;
+use Drupal\Core\Cache\CacheBackendInterface;
 use Drupal\Core\Cache\MemoryBackend;
 use Drupal\Core\Cache\NullBackend;
 use Drupal\Core\Config\Entity\ConfigDependencyManager;
@@ -85,7 +86,7 @@ class StorageComparer implements StorageComparerInterface {
    *
    * @var \Drupal\Core\Cache\CacheBackendInterface
    */
-  protected $targetCacheStorage;
+  protected CacheBackendInterface $targetCacheStorage;
 
   /**
    * Indicates whether the target storage should be wrapped in a cache.