From f477d2c3597c510e4b00cac4b850babb5b5ec125 Mon Sep 17 00:00:00 2001
From: Torsten Dittmann <torsten.dittmann@googlemail.com>
Date: Wed, 5 Jan 2022 12:52:33 +0100
Subject: [PATCH] fix: function head

---
 src/Appwrite/Migration/Version/V11.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Appwrite/Migration/Version/V11.php b/src/Appwrite/Migration/Version/V11.php
index bb35710be..cd1b080c8 100644
--- a/src/Appwrite/Migration/Version/V11.php
+++ b/src/Appwrite/Migration/Version/V11.php
@@ -413,10 +413,10 @@ class V11 extends Migration
      * Migrates single docuemnt.
      *
      * @param OldDocument $oldDocument 
-     * @return Document 
+     * @return Document|null
      * @throws Exception 
      */
-    protected function fixDocument(OldDocument $oldDocument): Document
+    protected function fixDocument(OldDocument $oldDocument): Document|null
     {
         $document = new Document($oldDocument->getArrayCopy());
         $document = $this->migratePermissions($document);