From 83145a323bb2c1dbedd28da2dd65c244e21bdbc0 Mon Sep 17 00:00:00 2001
From: Jason Nelson <jason@carbonmade.com>
Date: Mon, 9 Jan 2023 20:11:44 -0800
Subject: [PATCH] Add back missing using statement

---
 src/Markdig/Helpers/FastStringWriter.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Markdig/Helpers/FastStringWriter.cs b/src/Markdig/Helpers/FastStringWriter.cs
index 367ab415d..5172c9ec7 100644
--- a/src/Markdig/Helpers/FastStringWriter.cs
+++ b/src/Markdig/Helpers/FastStringWriter.cs
@@ -8,6 +8,7 @@
 using System.IO;
 using System.Runtime.CompilerServices;
 using System.Text;
+using System.Threading;
 using System.Threading.Tasks;
 
 namespace Markdig.Helpers