remove extra return type from transcription op

Author: christothes

specification/base/typespec/audio/operations.tsp

@@ -41,12 +41,6 @@ interface Audio {
     | CreateTranscriptionResponseVerboseJson
     | CreateTranscriptionResponseJson
     | SseResponseOf<CreateTranscriptionResponseStreamEvent>
-    | {
-        // TODO: This response is not defined in the OpenAPI spec.
-        @header contentType: "text/plain";
-
-        @body responseBody: string;
-      }
     | ErrorResponse;
 
   @route("translations")

src/Custom/Audio/AudioTranscription.Serialization.cs

@@ -1,6 +1,8 @@
 using System;
+using System.ClientModel;
 using System.ClientModel.Primitives;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Text.Json;
 
 namespace OpenAI.Audio;
@@ -27,4 +29,12 @@ internal static AudioTranscription FromResponse(PipelineResponse response)
         using var document = JsonDocument.Parse(response.Content);
         return DeserializeAudioTranscription(document.RootElement, null);
     }
+
+    [Experimental("OPENAI001")]
+    public static explicit operator AudioTranscription(ClientResult result)
+    {
+        using PipelineResponse response = result.GetRawResponse();
+        using JsonDocument document = JsonDocument.Parse(response.Content);
+        return DeserializeAudioTranscription(document.RootElement, ModelSerializationExtensions.WireOptions);
+    }
 }

src/Generated/Models/Audio/AudioTranscription.Serialization.cs

@@ -3,7 +3,6 @@
 #nullable disable
 
 using System;
-using System.ClientModel;
 using System.ClientModel.Primitives;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
@@ -247,13 +246,5 @@ protected virtual AudioTranscription PersistableModelCreateCore(BinaryData data,
         }
 
         string IPersistableModel<AudioTranscription>.GetFormatFromOptions(ModelReaderWriterOptions options) => "J";
-
-        [Experimental("OPENAI001")]
-        public static explicit operator AudioTranscription(ClientResult result)
-        {
-            using PipelineResponse response = result.GetRawResponse();
-            using JsonDocument document = JsonDocument.Parse(response.Content);
-            return DeserializeAudioTranscription(document.RootElement, ModelSerializationExtensions.WireOptions);
-        }
     }
 }

src/Generated/OpenAIModelFactory.cs

@@ -164,23 +164,6 @@ public static StreamingAudioTranscriptionTextDoneUpdate StreamingAudioTranscript
             return new StreamingAudioTranscriptionTextDoneUpdate(StreamingAudioTranscriptionUpdateKind.TranscriptTextDone, additionalBinaryDataProperties: null, text, transcriptionTokenLogProbabilities.ToList());
         }
 
-        public static AudioTranscription AudioTranscription(string task = default, string language = default, TimeSpan? duration = default, string text = default, IEnumerable<TranscribedWord> words = default, IEnumerable<TranscribedSegment> segments = default, IEnumerable<AudioTokenLogProbabilityDetails> transcriptionTokenLogProbabilities = default)
-        {
-            words ??= new ChangeTrackingList<TranscribedWord>();
-            segments ??= new ChangeTrackingList<TranscribedSegment>();
-            transcriptionTokenLogProbabilities ??= new ChangeTrackingList<AudioTokenLogProbabilityDetails>();
-
-            return new AudioTranscription(
-                task,
-                language,
-                duration,
-                text,
-                words.ToList(),
-                segments.ToList(),
-                transcriptionTokenLogProbabilities.ToList(),
-                additionalBinaryDataProperties: null);
-        }
-
         public static AudioTranslation AudioTranslation(string task = default, string language = default, TimeSpan? duration = default, string text = default, IEnumerable<TranscribedSegment> segments = default)
         {
             segments ??= new ChangeTrackingList<TranscribedSegment>();
@@ -1258,6 +1241,23 @@ public static ItemRetrievedUpdate ItemRetrievedUpdate(string eventId = default,
             return new ItemRetrievedUpdate(RealtimeUpdateKind.ItemRetrieved, eventId, additionalBinaryDataProperties: null, item);
         }
 
+        public static AudioTranscription AudioTranscription(string task = default, string language = default, TimeSpan? duration = default, string text = default, IEnumerable<TranscribedWord> words = default, IEnumerable<TranscribedSegment> segments = default, IEnumerable<AudioTokenLogProbabilityDetails> transcriptionTokenLogProbabilities = default)
+        {
+            words ??= new ChangeTrackingList<TranscribedWord>();
+            segments ??= new ChangeTrackingList<TranscribedSegment>();
+            transcriptionTokenLogProbabilities ??= new ChangeTrackingList<AudioTokenLogProbabilityDetails>();
+
+            return new AudioTranscription(
+                task,
+                language,
+                duration,
+                text,
+                words.ToList(),
+                segments.ToList(),
+                transcriptionTokenLogProbabilities.ToList(),
+                additionalBinaryDataProperties: null);
+        }
+
         public static ChatFunctionChoice ChatFunctionChoice(string predefinedFunctionChoice = default)
         {
             return new ChatFunctionChoice(predefinedFunctionChoice);