From bc7e57242dbf481c13a6b3c1fc3798b7e4203c71 Mon Sep 17 00:00:00 2001
From: "Matthias J. Sax" <matthias@confluent.io>
Date: Fri, 2 May 2025 03:02:38 -0700
Subject: [PATCH] MINOR: remove @FunctionalInterface annotation (#19618)

BatchingStateRestoreCallback's default implemeantion of restore() lead
to waraning `FunctionalInterfaceMethodChanged`.

Reviewers: Lucas Brutschy <lbrutschy@confluent.io>, PoAn Yang
 <payang@apache.org>, Ken Huang <s7133700@gmail.com>, TengYao Chi
 <frankvicky@apache.org>
---
 .../kafka/streams/processor/BatchingStateRestoreCallback.java  | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/streams/src/main/java/org/apache/kafka/streams/processor/BatchingStateRestoreCallback.java b/streams/src/main/java/org/apache/kafka/streams/processor/BatchingStateRestoreCallback.java
index 37801d1579d..c37d45a8016 100644
--- a/streams/src/main/java/org/apache/kafka/streams/processor/BatchingStateRestoreCallback.java
+++ b/streams/src/main/java/org/apache/kafka/streams/processor/BatchingStateRestoreCallback.java
@@ -28,11 +28,10 @@ import java.util.Collection;
  * It is expected that implementations of this class will not call the {@link StateRestoreCallback#restore(byte[],
  * byte[])} method.
  */
-@FunctionalInterface
 public interface BatchingStateRestoreCallback extends StateRestoreCallback {
 
     /**
-     * Called to restore a number of records.  This method is called repeatedly until the {@link StateStore} is fulled
+     * Called to restore a number of records. This method is called repeatedly until the {@link StateStore} is fully
      * restored.
      *
      * @param records the records to restore.