[Cache] Add missing return type

symfony · Jul 23, 2021 · 5c1a20b · 5c1a20b
1 parent d180a86
commit 5c1a20b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Internal/CurlClientState.php b/Internal/CurlClientState.php
@@ -68,7 +68,7 @@ public function reset()
         }
     }
 
-    public function __sleep()
+    public function __sleep(): array
     {
         throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
     }