From 871076ef97d6f4f8b71a63ad9e053b2bd8ffe43d Mon Sep 17 00:00:00 2001
From: Yanming Zhou <zhouyanming@gmail.com>
Date: Wed, 24 Sep 2025 17:19:18 +0800
Subject: [PATCH] Add serialVersionUID in LinkedCaseInsensitiveMap

Closes gh-35535

Signed-off-by: Yanming Zhou <zhouyanming@gmail.com>
---
 .../org/springframework/util/LinkedCaseInsensitiveMap.java     | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/spring-core/src/main/java/org/springframework/util/LinkedCaseInsensitiveMap.java b/spring-core/src/main/java/org/springframework/util/LinkedCaseInsensitiveMap.java
index 2aa813653b..38f8b6873d 100644
--- a/spring-core/src/main/java/org/springframework/util/LinkedCaseInsensitiveMap.java
+++ b/spring-core/src/main/java/org/springframework/util/LinkedCaseInsensitiveMap.java
@@ -47,9 +47,10 @@ import org.jspecify.annotations.Nullable;
  * @since 3.0
  * @param <V> the value type
  */
-@SuppressWarnings("serial")
 public class LinkedCaseInsensitiveMap<V> implements Map<String, V>, Serializable, Cloneable {
 
+	private static final long serialVersionUID = -1797561627545787622L;
+
 	private final LinkedHashMap<String, V> targetMap;
 
 	private final HashMap<String, String> caseInsensitiveKeys;