Even simpler!

Activout.RestClient/Helpers/Implementation/TaskConverter3.cs

@@ -1,13 +1,10 @@
-using System;
 using System.Diagnostics;
 using System.Threading.Tasks;
 
 namespace Activout.RestClient.Helpers.Implementation;
 
 /*
  * Convert from Task<object> to Task<T> where T is the Type
- *
- * Implemented by creating a TaskCompletionSource<T> and setting the result or exception
  */
 public class TaskConverter3<T> : ITaskConverter
 {
@@ -20,16 +17,6 @@ public object ConvertReturnType(Task<object> task)
     [StackTraceHidden]
     private static async Task<T> ConvertReturnTypeImpl(Task<object> task)
     {
-        var taskCompletionSource = new TaskCompletionSource<T>();
-        try
-        {
-            taskCompletionSource.SetResult((T)await task);
-        }
-        catch (Exception e)
-        {
-            taskCompletionSource.SetException(e);
-        }
-
-        return await taskCompletionSource.Task;
+        return (T)await task;
     }
 }