From 6a715721aa59c145f0bdd84f8e39b83807fb0e30 Mon Sep 17 00:00:00 2001
From: Mark Waite <mark.earl.waite@gmail.com>
Date: Tue, 28 Jul 2020 16:23:35 -0600
Subject: [PATCH] Use type safe empty set

---
 .../java/org/jenkinsci/plugins/gitclient/CliGitAPIImpl.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/org/jenkinsci/plugins/gitclient/CliGitAPIImpl.java b/src/main/java/org/jenkinsci/plugins/gitclient/CliGitAPIImpl.java
index 128f1bd38c..bb65de9429 100644
--- a/src/main/java/org/jenkinsci/plugins/gitclient/CliGitAPIImpl.java
+++ b/src/main/java/org/jenkinsci/plugins/gitclient/CliGitAPIImpl.java
@@ -3570,7 +3570,7 @@ Output shows SHA1 and tag with (optional) marker for annotated tags
          */
         String[] output = result.split("[\\n\\r]+");
         if (output.length == 0 || (output.length == 1 && output[0].isEmpty())) {
-            return Collections.EMPTY_SET;
+            return Collections.<GitObject>emptySet();
         }
         Pattern pattern = Pattern.compile("(\\p{XDigit}{40})\\s+refs/tags/([^^]+)(\\^\\{\\})?");
         Map<String, ObjectId> tagMap = new HashMap<>();