From d13f66a497e146d133fa9b7e32439eee67f4b7ea Mon Sep 17 00:00:00 2001
From: Sebastien Pouliot <sebastien.pouliot@gmail.com>
Date: Fri, 12 Oct 2018 17:09:20 -0400
Subject: [PATCH] [appkit] Add missing `[NullAllowed]` on `NSView.NextKeyView`.
 Fixes #4558 (#4979)

Confirmed with headers.

reference: https://github.com/xamarin/xamarin-macios/issues/4558
---
 src/appkit.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/appkit.cs b/src/appkit.cs
index 57ebff6752c6..448fa0a74f55 100644
--- a/src/appkit.cs
+++ b/src/appkit.cs
@@ -15866,6 +15866,7 @@ partial interface NSView : NSDraggingDestination, NSAnimatablePropertyContainer,
 		[Export ("performMnemonic:")]
 		bool PerformMnemonic (string mnemonic);
 
+		[NullAllowed]
 		[Export ("nextKeyView")]
 		NSView NextKeyView { get; set; }