From a4c7643523a3fc79c2a79292d22487196ea388fb Mon Sep 17 00:00:00 2001
From: Rob Mensching <rob@firegiant.com>
Date: Mon, 19 Apr 2021 16:09:46 -0700
Subject: Prefer IReadOnlyCollection<> or IReadOnlyList<> over IEnumerable<>

Part of wixtoolset/issues#6422
---
 src/WixToolset.Extensibility/BaseExtensionCommandLine.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/WixToolset.Extensibility/BaseExtensionCommandLine.cs')

diff --git a/src/WixToolset.Extensibility/BaseExtensionCommandLine.cs b/src/WixToolset.Extensibility/BaseExtensionCommandLine.cs
index 8a336e1b..c716ac7e 100644
--- a/src/WixToolset.Extensibility/BaseExtensionCommandLine.cs
+++ b/src/WixToolset.Extensibility/BaseExtensionCommandLine.cs
@@ -2,8 +2,8 @@
 
 namespace WixToolset.Extensibility
 {
+    using System;
     using System.Collections.Generic;
-    using System.Linq;
     using WixToolset.Extensibility.Data;
     using WixToolset.Extensibility.Services;
 
@@ -15,7 +15,7 @@ namespace WixToolset.Extensibility
         /// <summary>
         /// See <see cref="IExtensionCommandLine.CommandLineSwitches" />
         /// </summary>
-        public virtual IEnumerable<ExtensionCommandLineSwitch> CommandLineSwitches => Enumerable.Empty<ExtensionCommandLineSwitch>();
+        public virtual IReadOnlyCollection<ExtensionCommandLineSwitch> CommandLineSwitches => Array.Empty<ExtensionCommandLineSwitch>();
 
         /// <summary>
         /// See <see cref="IExtensionCommandLine.PostParse" />
-- 
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