fix

src/Extensions/Azure/DurableTaskSchedulerExtensions.cs

@@ -1,4 +1,4 @@
-// Copyright (c) Microsoft Corporation.
+// Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
 using Azure.Core;
@@ -141,18 +141,20 @@ options.Credential is not null
             ChannelCredentials.SecureSsl :
             ChannelCredentials.Insecure;
         return GrpcChannel.ForAddress(endpoint, new GrpcChannelOptions
-            {
-                // The same credential is being used for all operations.
-                // https://learn.microsoft.com/aspnet/core/grpc/authn-and-authz#set-the-bearer-token-with-callcredentials
-                Credentials = ChannelCredentials.Create(channelCreds, managedBackendCreds),
 
-                // TODO: This is not appropriate for use in production settings. Setting this to true should
-                //       only be done for local testing. We should hide this setting behind some kind of flag.
-                UnsafeUseInsecureChannelCallCredentials = true,
-            });
+        return GrpcChannel.ForAddress(endpoint, new GrpcChannelOptions
+        {
+            // The same credential is being used for all operations.
+            // https://learn.microsoft.com/aspnet/core/grpc/authn-and-authz#set-the-bearer-token-with-callcredentials
+            Credentials = ChannelCredentials.Create(channelCreds, managedBackendCreds),
+
+            // TODO: This is not appropriate for use in production settings. Setting this to true should
+            //       only be done for local testing. We should hide this setting behind some kind of flag.
+            UnsafeUseInsecureChannelCallCredentials = true,
+        });
     }
 
-    static Exception RequiredOptionMissing(string optionName)
+    static ArgumentException RequiredOptionMissing(string optionName)
     {
         return new ArgumentException(message: $"Required option '{optionName}' was not provided.");
     }
@@ -179,4 +181,4 @@ public async Task<AccessToken> GetTokenAsync(CancellationToken cancellationToken
             return this.token.Value;
         }
     }
-}
+}

src/Extensions/Azure/DurableTaskSchedulerOptions.cs

@@ -1,5 +1,5 @@
 // Copyright (c) Microsoft Corporation.
-// Licensed under the MIT License.
+// Licensed under the MIT License.
 
 using System.Globalization;
 using Azure.Core;
@@ -15,6 +15,9 @@ public class DurableTaskSchedulerOptions
     /// <summary>
     /// Initializes a new instance of the <see cref="DurableTaskSchedulerOptions"/> class.
     /// </summary>
+    /// <param name="endpointAddress">The endpoint address of the Durable Task Scheduler service.</param>
+    /// <param name="taskHubName">The name of the task hub to connect to.</param>
+    /// <param name="credential">The credential to use for authentication, or null for no authentication.</param>
     internal DurableTaskSchedulerOptions(string endpointAddress, string taskHubName, TokenCredential? credential = null)
     {
         this.EndpointAddress = endpointAddress ?? throw new ArgumentNullException(nameof(endpointAddress));
@@ -74,7 +77,6 @@ public static DurableTaskSchedulerOptions FromConnectionString(
         // "Endpoint=https://myaccount.westus3.durabletask.io/;Authentication=ManagedIdentity;ClientID=00000000-0000-0000-0000-000000000000;TaskHubName=th01"
         // "Endpoint=https://myaccount.westus3.durabletask.io/;Authentication=DefaultAzure;TaskHubName=th01"
         // "Endpoint=https://myaccount.westus3.durabletask.io/;Authentication=None;TaskHubName=th01" (undocumented and only intended for local testing)
-
         string endpointAddress = connectionString.Endpoint;
 
         if (!endpointAddress.Contains("://"))
@@ -84,7 +86,6 @@ public static DurableTaskSchedulerOptions FromConnectionString(
         }
 
         string authType = connectionString.Authentication;
-
         TokenCredential? credential;
 
         // Parse the supported auth types, in a case-insensitive way and without spaces
@@ -159,4 +160,4 @@ public static DurableTaskSchedulerOptions FromConnectionString(
         DurableTaskSchedulerOptions options = new(endpointAddress, connectionString.TaskHubName, credential);
         return options;
     }
-}
+}