Adding customization code for classes using obsolete method and suppr…

…ess the warning inline due to the defect here: Azure/autorest.csharp#5114

sdk/communication/Azure.Communication.Messages/src/Models/CommunicationMessagesModelFactory.cs

@@ -0,0 +1,37 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#nullable disable
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Azure.Communication.Messages.Models.Channels;
+
+namespace Azure.Communication.Messages
+{
+    /// <summary> Model factory for models. </summary>
+    public static partial class CommunicationMessagesModelFactory
+    {
+#pragma warning disable CS0618 // Type or member is obsolete - Need to manually add this custom code due to the defect here: https://github.com/Azure/autorest.csharp/issues/5114
+        /// <summary> Initializes a new instance of <see cref="Messages.MediaNotificationContent"/>. </summary>
+        /// <param name="channelRegistrationId"> The Channel Registration ID for the Business Identifier. </param>
+        /// <param name="to"> The native external platform user identifiers of the recipient. </param>
+        /// <param name="content"> Optional text content. </param>
+        /// <param name="mediaUri"> A media url for the file. Required if the type is one of the supported media types, e.g. image. </param>
+        /// <returns> A new <see cref="Messages.MediaNotificationContent"/> instance for mocking. </returns>
+        public static MediaNotificationContent MediaNotificationContent(Guid channelRegistrationId = default, IEnumerable<string> to = null, string content = null, Uri mediaUri = null)
+        {
+            to ??= new List<string>();
+
+            return new MediaNotificationContent(
+                channelRegistrationId,
+                to?.ToList(),
+                CommunicationMessageKind.ImageV0,
+                serializedAdditionalRawData: null,
+                content,
+                mediaUri);
+        }
+    }
+#pragma warning restore CS0618 // Type or member is obsolete - Need to manually add this custom code due to the defect here: https://github.com/Azure/autorest.csharp/issues/5114
+}

sdk/communication/Azure.Communication.Messages/src/Models/NotificationContent.Serialization.cs

@@ -0,0 +1,43 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+// <auto-generated/>
+
+#nullable disable
+
+using System;
+using System.ClientModel.Primitives;
+using System.Text.Json;
+using Azure.Core;
+
+namespace Azure.Communication.Messages
+{
+    public partial class NotificationContent : IUtf8JsonSerializable, IJsonModel<NotificationContent>
+    {
+        internal static NotificationContent DeserializeNotificationContent(JsonElement element, ModelReaderWriterOptions options = null)
+        {
+            options ??= ModelSerializationExtensions.WireOptions;
+
+            if (element.ValueKind == JsonValueKind.Null)
+            {
+                return null;
+            }
+            if (element.TryGetProperty("kind", out JsonElement discriminator))
+            {
+                switch (discriminator.GetString())
+                {
+                    case "audio": return AudioNotificationContent.DeserializeAudioNotificationContent(element, options);
+                    case "document": return DocumentNotificationContent.DeserializeDocumentNotificationContent(element, options);
+                    case "image": return ImageNotificationContent.DeserializeImageNotificationContent(element, options);
+#pragma warning disable CS0618 // Type or member is obsolete - Need to manually add this custom code due to the defect here: https://github.com/Azure/autorest.csharp/issues/5114
+                    case "image_v0": return MediaNotificationContent.DeserializeMediaNotificationContent(element, options);
+#pragma warning restore CS0618 // Type or member is obsolete - Need to manually add this custom code due to the defect here: https://github.com/Azure/autorest.csharp/issues/5114
+                    case "template": return TemplateNotificationContent.DeserializeTemplateNotificationContent(element, options);
+                    case "text": return TextNotificationContent.DeserializeTextNotificationContent(element, options);
+                    case "video": return VideoNotificationContent.DeserializeVideoNotificationContent(element, options);
+                }
+            }
+            return UnknownNotificationContent.DeserializeUnknownNotificationContent(element, options);
+        }
+    }
+}