package and depencies

vendor/symfony/http-kernel/HttpCache/StoreInterface.php

@@ -26,10 +26,8 @@ interface StoreInterface
 {
     /**
      * Locates a cached Response for the Request provided.
-     *
-     * @return Response|null
      */
-    public function lookup(Request $request);
+    public function lookup(Request $request): ?Response;
 
     /**
      * Writes a cache entry to the store for the given Request and Response.
@@ -39,7 +37,7 @@ interface StoreInterface
      *
      * @return string The key under which the response is stored
      */
-    public function write(Request $request, Response $response);
+    public function write(Request $request, Response $response): string;
 
     /**
      * Invalidates all cache entries that match the request.
@@ -51,28 +49,28 @@ interface StoreInterface
      *
      * @return bool|string true if the lock is acquired, the path to the current lock otherwise
      */
-    public function lock(Request $request);
+    public function lock(Request $request): bool|string;
 
     /**
      * Releases the lock for the given Request.
      *
      * @return bool False if the lock file does not exist or cannot be unlocked, true otherwise
      */
-    public function unlock(Request $request);
+    public function unlock(Request $request): bool;
 
     /**
      * Returns whether or not a lock exists.
      *
      * @return bool true if lock exists, false otherwise
      */
-    public function isLocked(Request $request);
+    public function isLocked(Request $request): bool;
 
     /**
      * Purges data for the given URL.
      *
      * @return bool true if the URL exists and has been purged, false otherwise
      */
-    public function purge(string $url);
+    public function purge(string $url): bool;
 
     /**
      * Cleanups storage.