diff --git a/.gitignore b/.gitignore
index a52a0fe0..497b0f36 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,6 +15,9 @@ project.lock.json
*.sln.docstates
*.exe
+# mergetool conflict files
+*.orig
+
# Build results
[Dd]ebug/
[Dd]ebugPublic/
diff --git a/src/Microsoft.SqlTools.ServiceLayer/Hosting/ServiceHost.cs b/src/Microsoft.SqlTools.ServiceLayer/Hosting/ServiceHost.cs
index 326cf5ed..94f728a0 100644
--- a/src/Microsoft.SqlTools.ServiceLayer/Hosting/ServiceHost.cs
+++ b/src/Microsoft.SqlTools.ServiceLayer/Hosting/ServiceHost.cs
@@ -4,13 +4,13 @@
//
using System;
-using System.Linq;
-using System.Threading.Tasks;
using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Threading.Tasks;
using Microsoft.SqlTools.ServiceLayer.Hosting.Contracts;
using Microsoft.SqlTools.ServiceLayer.Hosting.Protocol;
using Microsoft.SqlTools.ServiceLayer.Hosting.Protocol.Channel;
-using System.Reflection;
using Microsoft.SqlTools.ServiceLayer.Utility;
namespace Microsoft.SqlTools.ServiceLayer.Hosting
@@ -63,8 +63,18 @@ namespace Microsoft.SqlTools.ServiceLayer.Hosting
#region Member Variables
+ ///
+ /// Delegate definition for the host shutdown event
+ ///
+ ///
+ ///
public delegate Task ShutdownCallback(object shutdownParams, RequestContext