From 8f71b8e8b0c02f56c135beeeeaffde1bd2d802d9 Mon Sep 17 00:00:00 2001
From: Johnson Lu <johnsonlu@google.com>
Date: Sun, 11 May 2025 18:17:14 -0700
Subject: [PATCH] Add last_endpoint_id to UpgradePathInfo.ClientIntroduction

PiperOrigin-RevId: 757536755
---
 connections/implementation/proto/offline_wire_formats.proto | 1 +
 1 file changed, 1 insertion(+)

diff --git a/connections/implementation/proto/offline_wire_formats.proto b/connections/implementation/proto/offline_wire_formats.proto
index 90427e84..9fc55d96 100644
--- a/connections/implementation/proto/offline_wire_formats.proto
+++ b/connections/implementation/proto/offline_wire_formats.proto
@@ -343,6 +343,7 @@ message BandwidthUpgradeNegotiationFrame {
   message ClientIntroduction {
     optional string endpoint_id = 1;
     optional bool supports_disabling_encryption = 2;
+    optional string last_endpoint_id = 3;
   }
 
   // Accompanies CLIENT_INTRODUCTION_ACK events.