From 5c1a20b434d4fc2ec06e1ccbd55e8e9067b28161 Mon Sep 17 00:00:00 2001
From: Nicolas Grekas <nicolas.grekas@gmail.com>
Date: Fri, 23 Jul 2021 17:49:17 +0200
Subject: [PATCH] [Cache] Add missing return type

---
 Internal/CurlClientState.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Internal/CurlClientState.php b/Internal/CurlClientState.php
index 40ed0f1..ae738f0 100644
--- 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__);
     }