1 files changed, 3 insertions, 3 deletions
diff --git a/vendor/guzzlehttp/guzzle/src/Middleware.php b/vendor/guzzlehttp/guzzle/src/Middleware.php
index 7e3eb6b3a..6edbb3fe4 100644
--- a/vendor/guzzlehttp/guzzle/src/Middleware.php
+++ b/vendor/guzzlehttp/guzzle/src/Middleware.php
@@ -55,7 +55,7 @@ final class Middleware
      *
      * @return callable(callable): callable Returns a function that accepts the next handler.
      */
-    public static function httpErrors(BodySummarizerInterface $bodySummarizer = null): callable
+    public static function httpErrors(?BodySummarizerInterface $bodySummarizer = null): callable
     {
         return static function (callable $handler) use ($bodySummarizer): callable {
             return static function ($request, array $options) use ($handler, $bodySummarizer) {
@@ -132,7 +132,7 @@ final class Middleware
      *
      * @return callable Returns a function that accepts the next handler.
      */
-    public static function tap(callable $before = null, callable $after = null): callable
+    public static function tap(?callable $before = null, ?callable $after = null): callable
     {
         return static function (callable $handler) use ($before, $after): callable {
             return static function (RequestInterface $request, array $options) use ($handler, $before, $after) {
@@ -176,7 +176,7 @@ final class Middleware
      *
      * @return callable Returns a function that accepts the next handler.
      */
-    public static function retry(callable $decider, callable $delay = null): callable
+    public static function retry(callable $decider, ?callable $delay = null): callable
     {
         return static function (callable $handler) use ($decider, $delay): RetryMiddleware {
             return new RetryMiddleware($decider, $handler, $delay);