Unify on Map.of

1 files changed, 1 insertions, 2 deletions

diff --git a/zookeeper-server/zookeeper-server-3.9.2/src/main/java/org/apache/zookeeper/server/quorum/LearnerZooKeeperServer.java b/zookeeper-server/zookeeper-server-3.9.2/src/main/java/org/apache/zookeeper/server/quorum/LearnerZooKeeperServer.java
index 8ea94fd4daf..99c4ae16dce 100644
--- a/zookeeper-server/zookeeper-server-3.9.2/src/main/java/org/apache/zookeeper/server/quorum/LearnerZooKeeperServer.java
+++ b/zookeeper-server/zookeeper-server-3.9.2/src/main/java/org/apache/zookeeper/server/quorum/LearnerZooKeeperServer.java
@@ -19,7 +19,6 @@
 package org.apache.zookeeper.server.quorum;
 
 import java.io.IOException;
-import java.util.Collections;
 import java.util.Map;
 import org.apache.zookeeper.jmx.MBeanRegistry;
 import org.apache.zookeeper.server.DataTreeBean;
@@ -61,7 +60,7 @@ public abstract class LearnerZooKeeperServer extends QuorumZooKeeperServer {
         if (sessionTracker != null) {
             return ((LearnerSessionTracker) sessionTracker).snapshot();
         }
-        Map<Long, Integer> map = Collections.emptyMap();
+        Map<Long, Integer> map = Map.of();
         return map;
     }