From d965561f8f626b13e3bc027e585d375b7c3345d1 Mon Sep 17 00:00:00 2001
From: ZHANG Dapeng <zdapeng@google.com>
Date: Tue, 22 May 2018 15:29:47 -0700
Subject: [PATCH] protobuf: add @since for new API

---
 protobuf/src/main/java/io/grpc/protobuf/ProtoUtils.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/protobuf/src/main/java/io/grpc/protobuf/ProtoUtils.java b/protobuf/src/main/java/io/grpc/protobuf/ProtoUtils.java
index 68e03e1034..21ea6f0201 100644
--- a/protobuf/src/main/java/io/grpc/protobuf/ProtoUtils.java
+++ b/protobuf/src/main/java/io/grpc/protobuf/ProtoUtils.java
@@ -43,6 +43,8 @@ public class ProtoUtils {
 
   /**
    * Produce a metadata marshaller for a protobuf type.
+   * 
+   * @since 1.13.0
    */
   @ExperimentalApi("https://github.com/grpc/grpc-java/issues/4477")
   public static <T extends Message> Metadata.BinaryMarshaller<T> metadataMarshaller(T instance) {