From cccbbc44c5f40d4e6e685e760a036a6f568492d2 Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@gmail.com>
Date: Tue, 1 Feb 2022 22:17:27 +0100
Subject: [PATCH] Clarify the return value of `StripAccessKey`.

---
 src/Avalonia.Controls/Primitives/AccessText.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Avalonia.Controls/Primitives/AccessText.cs b/src/Avalonia.Controls/Primitives/AccessText.cs
index 5114e13386..a6976721b1 100644
--- a/src/Avalonia.Controls/Primitives/AccessText.cs
+++ b/src/Avalonia.Controls/Primitives/AccessText.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Avalonia.Input;
 using Avalonia.Media;
 using Avalonia.Media.TextFormatting;
@@ -111,6 +112,7 @@ namespace Avalonia.Controls.Primitives
         /// </summary>
         /// <param name="text">The text.</param>
         /// <returns>The text with the first underscore stripped.</returns>
+        [return: NotNullIfNotNull("text")]
         private string? StripAccessKey(string? text)
         {
             if (text is null)