diff --git a/eng/Packages.Data.props b/eng/Packages.Data.props
index 831218341f963..2dce3d94592e9 100644
--- a/eng/Packages.Data.props
+++ b/eng/Packages.Data.props
@@ -205,7 +205,7 @@
     All should have PrivateAssets="All" set so they don't become package dependencies
   -->
   <ItemGroup>
-    <PackageReference Update="Microsoft.Azure.AutoRest.CSharp" Version="3.0.0-beta.20240321.4" PrivateAssets="All" />
+    <PackageReference Update="Microsoft.Azure.AutoRest.CSharp" Version="3.0.0-beta.20240322.1" PrivateAssets="All" />
     <PackageReference Update="Azure.ClientSdk.Analyzers" Version="0.1.1-dev.20240214.2" PrivateAssets="All" />
     <PackageReference Update="coverlet.collector" Version="3.2.0" PrivateAssets="All" />
     <PackageReference Update="Microsoft.CodeAnalysis.NetAnalyzers" Version="7.0.4" PrivateAssets="All" />
diff --git a/eng/emitter-package-lock.json b/eng/emitter-package-lock.json
index e26625012e2df..bac73448099bc 100644
--- a/eng/emitter-package-lock.json
+++ b/eng/emitter-package-lock.json
@@ -5,7 +5,7 @@
   "packages": {
     "": {
       "dependencies": {
-        "@azure-tools/typespec-csharp": "0.2.0-beta.20240321.4"
+        "@azure-tools/typespec-csharp": "0.2.0-beta.20240322.1"
       },
       "devDependencies": {
         "@azure-tools/typespec-azure-core": "0.40.0",
@@ -18,9 +18,9 @@
       }
     },
     "node_modules/@autorest/csharp": {
-      "version": "3.0.0-beta.20240321.4",
-      "resolved": "https://registry.npmjs.org/@autorest/csharp/-/csharp-3.0.0-beta.20240321.4.tgz",
-      "integrity": "sha512-gZcw3n+DtjjV1aodaBo8mnvF1tYlg7lo3BRn9WgyvXccxgnl0Zbj7EQMGGP9kQcr1lN+/5yrE/256Byfkmza6Q=="
+      "version": "3.0.0-beta.20240322.1",
+      "resolved": "https://registry.npmjs.org/@autorest/csharp/-/csharp-3.0.0-beta.20240322.1.tgz",
+      "integrity": "sha512-kjfOipmNW+EOT7hbu4KlSgJnHbXBuUbG3ZHTXU9pIHpCNX1QjgLKuL6zj+YQCx07iSBMiUiZDNndoN8q9/lcuQ=="
     },
     "node_modules/@azure-tools/typespec-azure-core": {
       "version": "0.40.0",
@@ -56,11 +56,11 @@
       }
     },
     "node_modules/@azure-tools/typespec-csharp": {
-      "version": "0.2.0-beta.20240321.4",
-      "resolved": "https://registry.npmjs.org/@azure-tools/typespec-csharp/-/typespec-csharp-0.2.0-beta.20240321.4.tgz",
-      "integrity": "sha512-QLw17brVEcvBOR7E0K+RNiId6XEQVSclnfehruZrdZPHs0auU4toJDtB1l+dFlcHUAkgnahEx6O/UWNnjuRFNA==",
+      "version": "0.2.0-beta.20240322.1",
+      "resolved": "https://registry.npmjs.org/@azure-tools/typespec-csharp/-/typespec-csharp-0.2.0-beta.20240322.1.tgz",
+      "integrity": "sha512-gdYU8i9z3jKllLfjB0OSxpjMk0FXZV6hJlHYT2Qz/jb1UxKw1MrRdAdtNWBQoWsSD5BkwpEFVVykNrByp5SC9w==",
       "dependencies": {
-        "@autorest/csharp": "3.0.0-beta.20240321.4",
+        "@autorest/csharp": "3.0.0-beta.20240322.1",
         "json-serialize-refs": "0.1.0-0",
         "winston": "^3.8.2"
       },
diff --git a/eng/emitter-package.json b/eng/emitter-package.json
index 3f23077f1cfac..977f0320498fd 100644
--- a/eng/emitter-package.json
+++ b/eng/emitter-package.json
@@ -1,15 +1,15 @@
 {
   "main": "dist/src/index.js",
   "dependencies": {
-    "@azure-tools/typespec-csharp": "0.2.0-beta.20240321.4"
+    "@azure-tools/typespec-csharp": "0.2.0-beta.20240322.1"
   },
   "devDependencies": {
     "@typespec/http": "0.54.0",
-    "@azure-tools/typespec-client-generator-core": "0.40.0",
     "@typespec/versioning": "0.54.0",
-    "@typespec/compiler": "0.54.0",
-    "@typespec/rest": "0.54.0",
+    "@azure-tools/typespec-client-generator-core": "0.40.0",
     "@typespec/openapi": "0.54.0",
+    "@typespec/rest": "0.54.0",
+    "@typespec/compiler": "0.54.0",
     "@azure-tools/typespec-azure-core": "0.40.0"
   }
 }
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/samples/Generated/Samples/Sample_ThroughputPoolAccountResource.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/samples/Generated/Samples/Sample_ThroughputPoolAccountResource.cs
index 28f065cd4f20d..f7b9f8eb5f0a3 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/samples/Generated/Samples/Sample_ThroughputPoolAccountResource.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/samples/Generated/Samples/Sample_ThroughputPoolAccountResource.cs
@@ -7,11 +7,8 @@
 
 using System;
 using System.Threading.Tasks;
-using Azure;
 using Azure.Core;
 using Azure.Identity;
-using Azure.ResourceManager;
-using Azure.ResourceManager.CosmosDB;
 
 namespace Azure.ResourceManager.CosmosDB.Samples
 {
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/samples/Generated/Samples/Sample_ThroughputPoolAccountResourceCollection.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/samples/Generated/Samples/Sample_ThroughputPoolAccountResourceCollection.cs
index 64ea5ddf4efef..5948c57725528 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/samples/Generated/Samples/Sample_ThroughputPoolAccountResourceCollection.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/samples/Generated/Samples/Sample_ThroughputPoolAccountResourceCollection.cs
@@ -7,11 +7,8 @@
 
 using System;
 using System.Threading.Tasks;
-using Azure;
 using Azure.Core;
 using Azure.Identity;
-using Azure.ResourceManager;
-using Azure.ResourceManager.CosmosDB;
 
 namespace Azure.ResourceManager.CosmosDB.Samples
 {
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/samples/Generated/Samples/Sample_ThroughputPoolResource.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/samples/Generated/Samples/Sample_ThroughputPoolResource.cs
index 62e3b741aaffc..db106f4e1c2f5 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/samples/Generated/Samples/Sample_ThroughputPoolResource.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/samples/Generated/Samples/Sample_ThroughputPoolResource.cs
@@ -7,11 +7,8 @@
 
 using System;
 using System.Threading.Tasks;
-using Azure;
 using Azure.Core;
 using Azure.Identity;
-using Azure.ResourceManager;
-using Azure.ResourceManager.CosmosDB;
 using Azure.ResourceManager.CosmosDB.Models;
 using Azure.ResourceManager.Resources;
 
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/samples/Generated/Samples/Sample_ThroughputPoolResourceCollection.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/samples/Generated/Samples/Sample_ThroughputPoolResourceCollection.cs
index 5557a75051b9c..a83b8ae98d0fd 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/samples/Generated/Samples/Sample_ThroughputPoolResourceCollection.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/samples/Generated/Samples/Sample_ThroughputPoolResourceCollection.cs
@@ -7,11 +7,8 @@
 
 using System;
 using System.Threading.Tasks;
-using Azure;
 using Azure.Core;
 using Azure.Identity;
-using Azure.ResourceManager;
-using Azure.ResourceManager.CosmosDB;
 using Azure.ResourceManager.Resources;
 
 namespace Azure.ResourceManager.CosmosDB.Samples
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/LongRunningOperation/ThroughputPoolAccountResourceOperationSource.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/LongRunningOperation/ThroughputPoolAccountResourceOperationSource.cs
index 631abc00477ae..a99a1c4055cb3 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/LongRunningOperation/ThroughputPoolAccountResourceOperationSource.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/LongRunningOperation/ThroughputPoolAccountResourceOperationSource.cs
@@ -8,9 +8,7 @@
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
-using Azure;
 using Azure.Core;
-using Azure.ResourceManager;
 
 namespace Azure.ResourceManager.CosmosDB
 {
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/LongRunningOperation/ThroughputPoolResourceOperationSource.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/LongRunningOperation/ThroughputPoolResourceOperationSource.cs
index de5be1bfa87f2..39d51943c1ae1 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/LongRunningOperation/ThroughputPoolResourceOperationSource.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/LongRunningOperation/ThroughputPoolResourceOperationSource.cs
@@ -8,9 +8,7 @@
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
-using Azure;
 using Azure.Core;
-using Azure.ResourceManager;
 
 namespace Azure.ResourceManager.CosmosDB
 {
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/BaseCosmosDataTransferDataSourceSink.Serialization.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/BaseCosmosDataTransferDataSourceSink.Serialization.cs
index c7383de78f24e..f227e45c6f949 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/BaseCosmosDataTransferDataSourceSink.Serialization.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/BaseCosmosDataTransferDataSourceSink.Serialization.cs
@@ -10,7 +10,6 @@
 using System.Collections.Generic;
 using System.Text.Json;
 using Azure.Core;
-using Azure.ResourceManager.CosmosDB;
 
 namespace Azure.ResourceManager.CosmosDB.Models
 {
@@ -23,7 +22,7 @@ void IJsonModel<BaseCosmosDataTransferDataSourceSink>.Write(Utf8JsonWriter write
             var format = options.Format == "W" ? ((IPersistableModel<BaseCosmosDataTransferDataSourceSink>)this).GetFormatFromOptions(options) : options.Format;
             if (format != "J")
             {
-                throw new FormatException($"The model {nameof(BaseCosmosDataTransferDataSourceSink)} does not support '{format}' format.");
+                throw new FormatException($"The model {nameof(BaseCosmosDataTransferDataSourceSink)} does not support writing '{format}' format.");
             }
 
             writer.WriteStartObject();
@@ -57,7 +56,7 @@ BaseCosmosDataTransferDataSourceSink IJsonModel<BaseCosmosDataTransferDataSource
             var format = options.Format == "W" ? ((IPersistableModel<BaseCosmosDataTransferDataSourceSink>)this).GetFormatFromOptions(options) : options.Format;
             if (format != "J")
             {
-                throw new FormatException($"The model {nameof(BaseCosmosDataTransferDataSourceSink)} does not support '{format}' format.");
+                throw new FormatException($"The model {nameof(BaseCosmosDataTransferDataSourceSink)} does not support reading '{format}' format.");
             }
 
             using JsonDocument document = JsonDocument.ParseValue(ref reader);
@@ -115,7 +114,7 @@ BinaryData IPersistableModel<BaseCosmosDataTransferDataSourceSink>.Write(ModelRe
                 case "J":
                     return ModelReaderWriter.Write(this, options);
                 default:
-                    throw new FormatException($"The model {nameof(BaseCosmosDataTransferDataSourceSink)} does not support '{options.Format}' format.");
+                    throw new FormatException($"The model {nameof(BaseCosmosDataTransferDataSourceSink)} does not support writing '{options.Format}' format.");
             }
         }
 
@@ -131,7 +130,7 @@ BaseCosmosDataTransferDataSourceSink IPersistableModel<BaseCosmosDataTransferDat
                         return DeserializeBaseCosmosDataTransferDataSourceSink(document.RootElement, options);
                     }
                 default:
-                    throw new FormatException($"The model {nameof(BaseCosmosDataTransferDataSourceSink)} does not support '{options.Format}' format.");
+                    throw new FormatException($"The model {nameof(BaseCosmosDataTransferDataSourceSink)} does not support reading '{options.Format}' format.");
             }
         }
 
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/CassandraClusterCommand.Serialization.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/CassandraClusterCommand.Serialization.cs
index 31ebb6b0b4ea3..cdff5738a5c28 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/CassandraClusterCommand.Serialization.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/CassandraClusterCommand.Serialization.cs
@@ -10,7 +10,6 @@
 using System.Collections.Generic;
 using System.Text.Json;
 using Azure.Core;
-using Azure.ResourceManager.CosmosDB;
 
 namespace Azure.ResourceManager.CosmosDB.Models
 {
@@ -23,7 +22,7 @@ void IJsonModel<CassandraClusterCommand>.Write(Utf8JsonWriter writer, ModelReade
             var format = options.Format == "W" ? ((IPersistableModel<CassandraClusterCommand>)this).GetFormatFromOptions(options) : options.Format;
             if (format != "J")
             {
-                throw new FormatException($"The model {nameof(CassandraClusterCommand)} does not support '{format}' format.");
+                throw new FormatException($"The model {nameof(CassandraClusterCommand)} does not support writing '{format}' format.");
             }
 
             writer.WriteStartObject();
@@ -107,7 +106,7 @@ CassandraClusterCommand IJsonModel<CassandraClusterCommand>.Create(ref Utf8JsonR
             var format = options.Format == "W" ? ((IPersistableModel<CassandraClusterCommand>)this).GetFormatFromOptions(options) : options.Format;
             if (format != "J")
             {
-                throw new FormatException($"The model {nameof(CassandraClusterCommand)} does not support '{format}' format.");
+                throw new FormatException($"The model {nameof(CassandraClusterCommand)} does not support reading '{format}' format.");
             }
 
             using JsonDocument document = JsonDocument.ParseValue(ref reader);
@@ -235,7 +234,7 @@ BinaryData IPersistableModel<CassandraClusterCommand>.Write(ModelReaderWriterOpt
                 case "J":
                     return ModelReaderWriter.Write(this, options);
                 default:
-                    throw new FormatException($"The model {nameof(CassandraClusterCommand)} does not support '{options.Format}' format.");
+                    throw new FormatException($"The model {nameof(CassandraClusterCommand)} does not support writing '{options.Format}' format.");
             }
         }
 
@@ -251,7 +250,7 @@ CassandraClusterCommand IPersistableModel<CassandraClusterCommand>.Create(Binary
                         return DeserializeCassandraClusterCommand(document.RootElement, options);
                     }
                 default:
-                    throw new FormatException($"The model {nameof(CassandraClusterCommand)} does not support '{options.Format}' format.");
+                    throw new FormatException($"The model {nameof(CassandraClusterCommand)} does not support reading '{options.Format}' format.");
             }
         }
 
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ComputedProperty.Serialization.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ComputedProperty.Serialization.cs
index 44e9f225c58e7..6c25ae57037d4 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ComputedProperty.Serialization.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ComputedProperty.Serialization.cs
@@ -10,7 +10,6 @@
 using System.Collections.Generic;
 using System.Text.Json;
 using Azure.Core;
-using Azure.ResourceManager.CosmosDB;
 
 namespace Azure.ResourceManager.CosmosDB.Models
 {
@@ -23,7 +22,7 @@ void IJsonModel<ComputedProperty>.Write(Utf8JsonWriter writer, ModelReaderWriter
             var format = options.Format == "W" ? ((IPersistableModel<ComputedProperty>)this).GetFormatFromOptions(options) : options.Format;
             if (format != "J")
             {
-                throw new FormatException($"The model {nameof(ComputedProperty)} does not support '{format}' format.");
+                throw new FormatException($"The model {nameof(ComputedProperty)} does not support writing '{format}' format.");
             }
 
             writer.WriteStartObject();
@@ -60,7 +59,7 @@ ComputedProperty IJsonModel<ComputedProperty>.Create(ref Utf8JsonReader reader,
             var format = options.Format == "W" ? ((IPersistableModel<ComputedProperty>)this).GetFormatFromOptions(options) : options.Format;
             if (format != "J")
             {
-                throw new FormatException($"The model {nameof(ComputedProperty)} does not support '{format}' format.");
+                throw new FormatException($"The model {nameof(ComputedProperty)} does not support reading '{format}' format.");
             }
 
             using JsonDocument document = JsonDocument.ParseValue(ref reader);
@@ -109,7 +108,7 @@ BinaryData IPersistableModel<ComputedProperty>.Write(ModelReaderWriterOptions op
                 case "J":
                     return ModelReaderWriter.Write(this, options);
                 default:
-                    throw new FormatException($"The model {nameof(ComputedProperty)} does not support '{options.Format}' format.");
+                    throw new FormatException($"The model {nameof(ComputedProperty)} does not support writing '{options.Format}' format.");
             }
         }
 
@@ -125,7 +124,7 @@ ComputedProperty IPersistableModel<ComputedProperty>.Create(BinaryData data, Mod
                         return DeserializeComputedProperty(document.RootElement, options);
                     }
                 default:
-                    throw new FormatException($"The model {nameof(ComputedProperty)} does not support '{options.Format}' format.");
+                    throw new FormatException($"The model {nameof(ComputedProperty)} does not support reading '{options.Format}' format.");
             }
         }
 
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ListCommands.Serialization.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ListCommands.Serialization.cs
index 64528c516c9de..8f9311c05cb86 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ListCommands.Serialization.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ListCommands.Serialization.cs
@@ -10,7 +10,6 @@
 using System.Collections.Generic;
 using System.Text.Json;
 using Azure.Core;
-using Azure.ResourceManager.CosmosDB;
 
 namespace Azure.ResourceManager.CosmosDB.Models
 {
@@ -23,7 +22,7 @@ void IJsonModel<ListCommands>.Write(Utf8JsonWriter writer, ModelReaderWriterOpti
             var format = options.Format == "W" ? ((IPersistableModel<ListCommands>)this).GetFormatFromOptions(options) : options.Format;
             if (format != "J")
             {
-                throw new FormatException($"The model {nameof(ListCommands)} does not support '{format}' format.");
+                throw new FormatException($"The model {nameof(ListCommands)} does not support writing '{format}' format.");
             }
 
             writer.WriteStartObject();
@@ -60,7 +59,7 @@ ListCommands IJsonModel<ListCommands>.Create(ref Utf8JsonReader reader, ModelRea
             var format = options.Format == "W" ? ((IPersistableModel<ListCommands>)this).GetFormatFromOptions(options) : options.Format;
             if (format != "J")
             {
-                throw new FormatException($"The model {nameof(ListCommands)} does not support '{format}' format.");
+                throw new FormatException($"The model {nameof(ListCommands)} does not support reading '{format}' format.");
             }
 
             using JsonDocument document = JsonDocument.ParseValue(ref reader);
@@ -112,7 +111,7 @@ BinaryData IPersistableModel<ListCommands>.Write(ModelReaderWriterOptions option
                 case "J":
                     return ModelReaderWriter.Write(this, options);
                 default:
-                    throw new FormatException($"The model {nameof(ListCommands)} does not support '{options.Format}' format.");
+                    throw new FormatException($"The model {nameof(ListCommands)} does not support writing '{options.Format}' format.");
             }
         }
 
@@ -128,7 +127,7 @@ ListCommands IPersistableModel<ListCommands>.Create(BinaryData data, ModelReader
                         return DeserializeListCommands(document.RootElement, options);
                     }
                 default:
-                    throw new FormatException($"The model {nameof(ListCommands)} does not support '{options.Format}' format.");
+                    throw new FormatException($"The model {nameof(ListCommands)} does not support reading '{options.Format}' format.");
             }
         }
 
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ListCommands.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ListCommands.cs
index a5d21eba49a34..3ea9224771618 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ListCommands.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ListCommands.cs
@@ -7,7 +7,6 @@
 
 using System;
 using System.Collections.Generic;
-using Azure.ResourceManager.CosmosDB;
 
 namespace Azure.ResourceManager.CosmosDB.Models
 {
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolAccountsListResult.Serialization.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolAccountsListResult.Serialization.cs
index d26d6fa5ff5a8..b72ac52290213 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolAccountsListResult.Serialization.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolAccountsListResult.Serialization.cs
@@ -10,7 +10,6 @@
 using System.Collections.Generic;
 using System.Text.Json;
 using Azure.Core;
-using Azure.ResourceManager.CosmosDB;
 
 namespace Azure.ResourceManager.CosmosDB.Models
 {
@@ -23,7 +22,7 @@ void IJsonModel<ThroughputPoolAccountsListResult>.Write(Utf8JsonWriter writer, M
             var format = options.Format == "W" ? ((IPersistableModel<ThroughputPoolAccountsListResult>)this).GetFormatFromOptions(options) : options.Format;
             if (format != "J")
             {
-                throw new FormatException($"The model {nameof(ThroughputPoolAccountsListResult)} does not support '{format}' format.");
+                throw new FormatException($"The model {nameof(ThroughputPoolAccountsListResult)} does not support writing '{format}' format.");
             }
 
             writer.WriteStartObject();
@@ -65,7 +64,7 @@ ThroughputPoolAccountsListResult IJsonModel<ThroughputPoolAccountsListResult>.Cr
             var format = options.Format == "W" ? ((IPersistableModel<ThroughputPoolAccountsListResult>)this).GetFormatFromOptions(options) : options.Format;
             if (format != "J")
             {
-                throw new FormatException($"The model {nameof(ThroughputPoolAccountsListResult)} does not support '{format}' format.");
+                throw new FormatException($"The model {nameof(ThroughputPoolAccountsListResult)} does not support reading '{format}' format.");
             }
 
             using JsonDocument document = JsonDocument.ParseValue(ref reader);
@@ -123,7 +122,7 @@ BinaryData IPersistableModel<ThroughputPoolAccountsListResult>.Write(ModelReader
                 case "J":
                     return ModelReaderWriter.Write(this, options);
                 default:
-                    throw new FormatException($"The model {nameof(ThroughputPoolAccountsListResult)} does not support '{options.Format}' format.");
+                    throw new FormatException($"The model {nameof(ThroughputPoolAccountsListResult)} does not support writing '{options.Format}' format.");
             }
         }
 
@@ -139,7 +138,7 @@ ThroughputPoolAccountsListResult IPersistableModel<ThroughputPoolAccountsListRes
                         return DeserializeThroughputPoolAccountsListResult(document.RootElement, options);
                     }
                 default:
-                    throw new FormatException($"The model {nameof(ThroughputPoolAccountsListResult)} does not support '{options.Format}' format.");
+                    throw new FormatException($"The model {nameof(ThroughputPoolAccountsListResult)} does not support reading '{options.Format}' format.");
             }
         }
 
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolAccountsListResult.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolAccountsListResult.cs
index 4855390220d2e..c1af712fc2aa6 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolAccountsListResult.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolAccountsListResult.cs
@@ -7,7 +7,6 @@
 
 using System;
 using System.Collections.Generic;
-using Azure.ResourceManager.CosmosDB;
 
 namespace Azure.ResourceManager.CosmosDB.Models
 {
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolResourcePatch.Serialization.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolResourcePatch.Serialization.cs
index 148bc9f710697..67ec26f38f352 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolResourcePatch.Serialization.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolResourcePatch.Serialization.cs
@@ -10,7 +10,6 @@
 using System.Collections.Generic;
 using System.Text.Json;
 using Azure.Core;
-using Azure.ResourceManager.CosmosDB;
 
 namespace Azure.ResourceManager.CosmosDB.Models
 {
@@ -23,7 +22,7 @@ void IJsonModel<ThroughputPoolResourcePatch>.Write(Utf8JsonWriter writer, ModelR
             var format = options.Format == "W" ? ((IPersistableModel<ThroughputPoolResourcePatch>)this).GetFormatFromOptions(options) : options.Format;
             if (format != "J")
             {
-                throw new FormatException($"The model {nameof(ThroughputPoolResourcePatch)} does not support '{format}' format.");
+                throw new FormatException($"The model {nameof(ThroughputPoolResourcePatch)} does not support writing '{format}' format.");
             }
 
             writer.WriteStartObject();
@@ -63,7 +62,7 @@ ThroughputPoolResourcePatch IJsonModel<ThroughputPoolResourcePatch>.Create(ref U
             var format = options.Format == "W" ? ((IPersistableModel<ThroughputPoolResourcePatch>)this).GetFormatFromOptions(options) : options.Format;
             if (format != "J")
             {
-                throw new FormatException($"The model {nameof(ThroughputPoolResourcePatch)} does not support '{format}' format.");
+                throw new FormatException($"The model {nameof(ThroughputPoolResourcePatch)} does not support reading '{format}' format.");
             }
 
             using JsonDocument document = JsonDocument.ParseValue(ref reader);
@@ -132,7 +131,7 @@ BinaryData IPersistableModel<ThroughputPoolResourcePatch>.Write(ModelReaderWrite
                 case "J":
                     return ModelReaderWriter.Write(this, options);
                 default:
-                    throw new FormatException($"The model {nameof(ThroughputPoolResourcePatch)} does not support '{options.Format}' format.");
+                    throw new FormatException($"The model {nameof(ThroughputPoolResourcePatch)} does not support writing '{options.Format}' format.");
             }
         }
 
@@ -148,7 +147,7 @@ ThroughputPoolResourcePatch IPersistableModel<ThroughputPoolResourcePatch>.Creat
                         return DeserializeThroughputPoolResourcePatch(document.RootElement, options);
                     }
                 default:
-                    throw new FormatException($"The model {nameof(ThroughputPoolResourcePatch)} does not support '{options.Format}' format.");
+                    throw new FormatException($"The model {nameof(ThroughputPoolResourcePatch)} does not support reading '{options.Format}' format.");
             }
         }
 
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolsListResult.Serialization.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolsListResult.Serialization.cs
index c4d0024034bf4..becbf7975789e 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolsListResult.Serialization.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolsListResult.Serialization.cs
@@ -10,7 +10,6 @@
 using System.Collections.Generic;
 using System.Text.Json;
 using Azure.Core;
-using Azure.ResourceManager.CosmosDB;
 
 namespace Azure.ResourceManager.CosmosDB.Models
 {
@@ -23,7 +22,7 @@ void IJsonModel<ThroughputPoolsListResult>.Write(Utf8JsonWriter writer, ModelRea
             var format = options.Format == "W" ? ((IPersistableModel<ThroughputPoolsListResult>)this).GetFormatFromOptions(options) : options.Format;
             if (format != "J")
             {
-                throw new FormatException($"The model {nameof(ThroughputPoolsListResult)} does not support '{format}' format.");
+                throw new FormatException($"The model {nameof(ThroughputPoolsListResult)} does not support writing '{format}' format.");
             }
 
             writer.WriteStartObject();
@@ -65,7 +64,7 @@ ThroughputPoolsListResult IJsonModel<ThroughputPoolsListResult>.Create(ref Utf8J
             var format = options.Format == "W" ? ((IPersistableModel<ThroughputPoolsListResult>)this).GetFormatFromOptions(options) : options.Format;
             if (format != "J")
             {
-                throw new FormatException($"The model {nameof(ThroughputPoolsListResult)} does not support '{format}' format.");
+                throw new FormatException($"The model {nameof(ThroughputPoolsListResult)} does not support reading '{format}' format.");
             }
 
             using JsonDocument document = JsonDocument.ParseValue(ref reader);
@@ -123,7 +122,7 @@ BinaryData IPersistableModel<ThroughputPoolsListResult>.Write(ModelReaderWriterO
                 case "J":
                     return ModelReaderWriter.Write(this, options);
                 default:
-                    throw new FormatException($"The model {nameof(ThroughputPoolsListResult)} does not support '{options.Format}' format.");
+                    throw new FormatException($"The model {nameof(ThroughputPoolsListResult)} does not support writing '{options.Format}' format.");
             }
         }
 
@@ -139,7 +138,7 @@ ThroughputPoolsListResult IPersistableModel<ThroughputPoolsListResult>.Create(Bi
                         return DeserializeThroughputPoolsListResult(document.RootElement, options);
                     }
                 default:
-                    throw new FormatException($"The model {nameof(ThroughputPoolsListResult)} does not support '{options.Format}' format.");
+                    throw new FormatException($"The model {nameof(ThroughputPoolsListResult)} does not support reading '{options.Format}' format.");
             }
         }
 
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolsListResult.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolsListResult.cs
index c785e60c4761f..811ddfe1becc8 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolsListResult.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/Models/ThroughputPoolsListResult.cs
@@ -7,7 +7,6 @@
 
 using System;
 using System.Collections.Generic;
-using Azure.ResourceManager.CosmosDB;
 
 namespace Azure.ResourceManager.CosmosDB.Models
 {
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/RestOperations/ThroughputPoolAccountRestOperations.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/RestOperations/ThroughputPoolAccountRestOperations.cs
index c1198413c6b03..cb6a73483319a 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/RestOperations/ThroughputPoolAccountRestOperations.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/RestOperations/ThroughputPoolAccountRestOperations.cs
@@ -9,7 +9,6 @@
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
-using Azure;
 using Azure.Core;
 using Azure.Core.Pipeline;
 
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/RestOperations/ThroughputPoolAccountsRestOperations.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/RestOperations/ThroughputPoolAccountsRestOperations.cs
index 966bdca6b93da..743f95afbd377 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/RestOperations/ThroughputPoolAccountsRestOperations.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/RestOperations/ThroughputPoolAccountsRestOperations.cs
@@ -9,7 +9,6 @@
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
-using Azure;
 using Azure.Core;
 using Azure.Core.Pipeline;
 using Azure.ResourceManager.CosmosDB.Models;
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/RestOperations/ThroughputPoolRestOperations.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/RestOperations/ThroughputPoolRestOperations.cs
index 9027b35295da2..e66fcfd8b078b 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/RestOperations/ThroughputPoolRestOperations.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/RestOperations/ThroughputPoolRestOperations.cs
@@ -9,7 +9,6 @@
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
-using Azure;
 using Azure.Core;
 using Azure.Core.Pipeline;
 using Azure.ResourceManager.CosmosDB.Models;
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/RestOperations/ThroughputPoolsRestOperations.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/RestOperations/ThroughputPoolsRestOperations.cs
index 4c253459eb713..0669908f463f5 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/RestOperations/ThroughputPoolsRestOperations.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/RestOperations/ThroughputPoolsRestOperations.cs
@@ -9,7 +9,6 @@
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
-using Azure;
 using Azure.Core;
 using Azure.Core.Pipeline;
 using Azure.ResourceManager.CosmosDB.Models;
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolAccountResource.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolAccountResource.cs
index 9d3e77ae71f76..0d85f6c151cea 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolAccountResource.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolAccountResource.cs
@@ -9,10 +9,8 @@
 using System.Globalization;
 using System.Threading;
 using System.Threading.Tasks;
-using Azure;
 using Azure.Core;
 using Azure.Core.Pipeline;
-using Azure.ResourceManager;
 
 namespace Azure.ResourceManager.CosmosDB
 {
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolAccountResourceCollection.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolAccountResourceCollection.cs
index 436166f1d5f9c..6053885500958 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolAccountResourceCollection.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolAccountResourceCollection.cs
@@ -12,10 +12,8 @@
 using System.Threading;
 using System.Threading.Tasks;
 using Autorest.CSharp.Core;
-using Azure;
 using Azure.Core;
 using Azure.Core.Pipeline;
-using Azure.ResourceManager;
 
 namespace Azure.ResourceManager.CosmosDB
 {
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolAccountResourceData.Serialization.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolAccountResourceData.Serialization.cs
index c18af9c42f096..5adee1e3eac1a 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolAccountResourceData.Serialization.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolAccountResourceData.Serialization.cs
@@ -24,7 +24,7 @@ void IJsonModel<ThroughputPoolAccountResourceData>.Write(Utf8JsonWriter writer,
             var format = options.Format == "W" ? ((IPersistableModel<ThroughputPoolAccountResourceData>)this).GetFormatFromOptions(options) : options.Format;
             if (format != "J")
             {
-                throw new FormatException($"The model {nameof(ThroughputPoolAccountResourceData)} does not support '{format}' format.");
+                throw new FormatException($"The model {nameof(ThroughputPoolAccountResourceData)} does not support writing '{format}' format.");
             }
 
             writer.WriteStartObject();
@@ -94,7 +94,7 @@ ThroughputPoolAccountResourceData IJsonModel<ThroughputPoolAccountResourceData>.
             var format = options.Format == "W" ? ((IPersistableModel<ThroughputPoolAccountResourceData>)this).GetFormatFromOptions(options) : options.Format;
             if (format != "J")
             {
-                throw new FormatException($"The model {nameof(ThroughputPoolAccountResourceData)} does not support '{format}' format.");
+                throw new FormatException($"The model {nameof(ThroughputPoolAccountResourceData)} does not support reading '{format}' format.");
             }
 
             using JsonDocument document = JsonDocument.ParseValue(ref reader);
@@ -208,7 +208,7 @@ BinaryData IPersistableModel<ThroughputPoolAccountResourceData>.Write(ModelReade
                 case "J":
                     return ModelReaderWriter.Write(this, options);
                 default:
-                    throw new FormatException($"The model {nameof(ThroughputPoolAccountResourceData)} does not support '{options.Format}' format.");
+                    throw new FormatException($"The model {nameof(ThroughputPoolAccountResourceData)} does not support writing '{options.Format}' format.");
             }
         }
 
@@ -224,7 +224,7 @@ ThroughputPoolAccountResourceData IPersistableModel<ThroughputPoolAccountResourc
                         return DeserializeThroughputPoolAccountResourceData(document.RootElement, options);
                     }
                 default:
-                    throw new FormatException($"The model {nameof(ThroughputPoolAccountResourceData)} does not support '{options.Format}' format.");
+                    throw new FormatException($"The model {nameof(ThroughputPoolAccountResourceData)} does not support reading '{options.Format}' format.");
             }
         }
 
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolResource.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolResource.cs
index 5efc3861fc8e3..49a9f03323a52 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolResource.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolResource.cs
@@ -9,10 +9,8 @@
 using System.Globalization;
 using System.Threading;
 using System.Threading.Tasks;
-using Azure;
 using Azure.Core;
 using Azure.Core.Pipeline;
-using Azure.ResourceManager;
 using Azure.ResourceManager.CosmosDB.Models;
 using Azure.ResourceManager.Resources;
 
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolResourceCollection.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolResourceCollection.cs
index 5775f089a9b76..821cbc1702269 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolResourceCollection.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolResourceCollection.cs
@@ -12,10 +12,8 @@
 using System.Threading;
 using System.Threading.Tasks;
 using Autorest.CSharp.Core;
-using Azure;
 using Azure.Core;
 using Azure.Core.Pipeline;
-using Azure.ResourceManager;
 using Azure.ResourceManager.Resources;
 
 namespace Azure.ResourceManager.CosmosDB
diff --git a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolResourceData.Serialization.cs b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolResourceData.Serialization.cs
index 6fc9a1a7c1be5..c8cc50911561e 100644
--- a/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolResourceData.Serialization.cs
+++ b/sdk/cosmosdb/Azure.ResourceManager.CosmosDB/src/Generated/ThroughputPoolResourceData.Serialization.cs
@@ -24,7 +24,7 @@ void IJsonModel<ThroughputPoolResourceData>.Write(Utf8JsonWriter writer, ModelRe
             var format = options.Format == "W" ? ((IPersistableModel<ThroughputPoolResourceData>)this).GetFormatFromOptions(options) : options.Format;
             if (format != "J")
             {
-                throw new FormatException($"The model {nameof(ThroughputPoolResourceData)} does not support '{format}' format.");
+                throw new FormatException($"The model {nameof(ThroughputPoolResourceData)} does not support writing '{format}' format.");
             }
 
             writer.WriteStartObject();
@@ -97,7 +97,7 @@ ThroughputPoolResourceData IJsonModel<ThroughputPoolResourceData>.Create(ref Utf
             var format = options.Format == "W" ? ((IPersistableModel<ThroughputPoolResourceData>)this).GetFormatFromOptions(options) : options.Format;
             if (format != "J")
             {
-                throw new FormatException($"The model {nameof(ThroughputPoolResourceData)} does not support '{format}' format.");
+                throw new FormatException($"The model {nameof(ThroughputPoolResourceData)} does not support reading '{format}' format.");
             }
 
             using JsonDocument document = JsonDocument.ParseValue(ref reader);
@@ -224,7 +224,7 @@ BinaryData IPersistableModel<ThroughputPoolResourceData>.Write(ModelReaderWriter
                 case "J":
                     return ModelReaderWriter.Write(this, options);
                 default:
-                    throw new FormatException($"The model {nameof(ThroughputPoolResourceData)} does not support '{options.Format}' format.");
+                    throw new FormatException($"The model {nameof(ThroughputPoolResourceData)} does not support writing '{options.Format}' format.");
             }
         }
 
@@ -240,7 +240,7 @@ ThroughputPoolResourceData IPersistableModel<ThroughputPoolResourceData>.Create(
                         return DeserializeThroughputPoolResourceData(document.RootElement, options);
                     }
                 default:
-                    throw new FormatException($"The model {nameof(ThroughputPoolResourceData)} does not support '{options.Format}' format.");
+                    throw new FormatException($"The model {nameof(ThroughputPoolResourceData)} does not support reading '{options.Format}' format.");
             }
         }