From 03ce85ce351af4cab995271230885be316b393b5 Mon Sep 17 00:00:00 2001
From: Frank de Jonge <info@frankdejonge.nl>
Date: Sat, 29 Jan 2022 13:55:17 +0100
Subject: [PATCH] Down-grade property typing

---
 src/Ftp/FtpAdapter.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Ftp/FtpAdapter.php b/src/Ftp/FtpAdapter.php
index 304417fb8..fd5d169a1 100644
--- a/src/Ftp/FtpAdapter.php
+++ b/src/Ftp/FtpAdapter.php
@@ -80,7 +80,10 @@ class FtpAdapter implements FilesystemAdapter
      */
     private $mimeTypeDetector;
 
-    private ?string $rootDirectory = null;
+    /**
+     * @var null|string
+     */
+    private $rootDirectory = null;
 
     public function __construct(
         FtpConnectionOptions $connectionOptions,