From 81f9d85df0c9fe1318ea218af2822050304b1337 Mon Sep 17 00:00:00 2001
From: Luke Kuzmish <42181698+cosmastech@users.noreply.github.com>
Date: Mon, 11 Dec 2023 10:11:48 -0500
Subject: [PATCH] fixes Okta refresh token signature

---
 Provider.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Provider.php b/Provider.php
index edeb6d8..df79f9d 100644
--- a/Provider.php
+++ b/Provider.php
@@ -130,9 +130,9 @@ public function getClientAccessTokenResponse($scopes = null)
 
     /**
      * @param  string  $refreshToken
-     * @return array
+     * @return array|null
      */
-    public function getRefreshTokenResponse(string $refreshToken)
+    public function getRefreshTokenResponse($refreshToken)
     {
         $response = $this->getHttpClient()->post($this->getTokenUrl(), [
             RequestOptions::AUTH        => [$this->clientId, $this->clientSecret],