From d09f53769945d2c1a5833cf942dcf81c6febf379 Mon Sep 17 00:00:00 2001
From: Sam Brannen <sbrannen@pivotal.io>
Date: Mon, 16 Sep 2019 12:43:13 +0200
Subject: [PATCH] Annotate Object#equals parameter with @nullable

See gh-23093

Co-authored-by: Sebastien Deleuze <sdeleuze@pivotal.io>
---
 .../java/org/springframework/util/LinkedCaseInsensitiveMap.java | 2 +-
 1 file changed, 1 insertion(+), 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 5cdd9f1243..1b70fa5550 100644
--- a/spring-core/src/main/java/org/springframework/util/LinkedCaseInsensitiveMap.java
+++ b/spring-core/src/main/java/org/springframework/util/LinkedCaseInsensitiveMap.java
@@ -273,7 +273,7 @@ public class LinkedCaseInsensitiveMap<V> implements Map<String, V>, Serializable
 	}
 
 	@Override
-	public boolean equals(Object obj) {
+	public boolean equals(@Nullable Object obj) {
 		return this.targetMap.equals(obj);
 	}