Corrected for new SDK API

Author: ChrisMaunder

src/demos/modules/DotNetLongProcess/DotNetLongProcessWorker.cs

@@ -1,23 +1,19 @@
 using System;
-using System.Collections.Concurrent;
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.Dynamic;
 using System.IO;
-using System.Linq;
+using System.Threading;
 using System.Threading.Tasks;
 
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Hosting;
 
-using CodeProject.AI.SDK;
 using CodeProject.AI.SDK.API;
+using CodeProject.AI.SDK.Backend;
+using CodeProject.AI.SDK.Common;
 using CodeProject.AI.SDK.Utils;
 
-using SkiaSharp;
-using System.Threading;
-
 namespace CodeProject.AI.Modules.DotNetLongProcess
 {
     /// <summary>
@@ -43,7 +39,7 @@ public class LongProcessModuleResponse : ModuleResponse
     /// While intended for development and tests, this also demonstrates how a backend service can
     /// be created with the .NET Core framework.
     /// </summary>
-    public class DotNetLongProcessWorker : ModuleWorkerBase
+    public class DotNetLongProcessWorker : ModuleRunnerBase
     {
         private const int _maxSteps = 10;