From d2895a4ab8b8ed2c70f131696e35a43ea0c620cb Mon Sep 17 00:00:00 2001
From: Zhiyuan Liang <zhiyuanliang@microsoft.com>
Date: Wed, 2 Apr 2025 13:15:22 +0800
Subject: [PATCH] make client manager endpoint readonly

---
 src/ConfigurationClientManager.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/ConfigurationClientManager.ts b/src/ConfigurationClientManager.ts
index a241bd28..7e5151a4 100644
--- a/src/ConfigurationClientManager.ts
+++ b/src/ConfigurationClientManager.ts
@@ -23,15 +23,15 @@ const DNS_RESOLVER_TRIES = 2;
 const MAX_ALTNATIVE_SRV_COUNT = 10;
 
 export class ConfigurationClientManager {
+    readonly endpoint: URL; // primary endpoint, which is the one specified in the connection string or passed in as a parameter
     #isFailoverable: boolean;
     #dns: any;
-    endpoint: URL;
     #secret : string;
     #id : string;
     #credential: TokenCredential;
     #clientOptions: AppConfigurationClientOptions | undefined;
     #appConfigOptions: AzureAppConfigurationOptions | undefined;
-    #validDomain: string;
+    #validDomain: string; // valid domain for the primary endpoint, which is used to discover replicas
     #staticClients: ConfigurationClientWrapper[]; // there should always be only one static client
     #dynamicClients: ConfigurationClientWrapper[];
     #replicaCount: number = 0;