From 6cf64477c66e15c4cfb9e23019ad34ce0317d2af Mon Sep 17 00:00:00 2001
From: Chris Povirk <cpovirk@google.com>
Date: Mon, 7 Oct 2024 10:46:25 -0400
Subject: [PATCH] Add missing `@Nullable` annotation to `Locale.getExtension`.
 (#74)

This isn't a new API; we just missed this one.
---
 src/java.base/share/classes/java/util/Locale.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/java.base/share/classes/java/util/Locale.java b/src/java.base/share/classes/java/util/Locale.java
index b2fa2da9928..3438c1526e5 100644
--- a/src/java.base/share/classes/java/util/Locale.java
+++ b/src/java.base/share/classes/java/util/Locale.java
@@ -1465,7 +1465,7 @@ public Locale stripExtensions() {
      * @see #UNICODE_LOCALE_EXTENSION
      * @since 1.7
      */
-    public String getExtension(char key) {
+    public @Nullable String getExtension(char key) {
         if (!LocaleExtensions.isValidKey(key)) {
             throw new IllegalArgumentException("Ill-formed extension key: " + key);
         }