anchor.diff:          builder |> FactoryService.RegisterSingleInstance<JobService, IJobService>
           builder |> FactoryService.RegisterSingleInstance<FactoryService.FactoryCollection, IFactoryCollection>
           builder |> FactoryService.RegisterSingleInstance<ThreadSafeFileWiter, IThreadSafeWriter>
  -        builder.RegisterInstance((GetLoggerService(serverSettings))).SingleInstance().As<ILogService>() |> ignore
  +        builder.RegisterInstance(GetLoggerService()).SingleInstance().As<ILogService>() |> ignore
           // Register server
           //builder.RegisterType<Owin.Server>().As<IServer>().SingleInstance().Named("http") |> ignore
           builder.Build()
  
positive.code:             let indexService = container.Resolve<IIndexService>()
              // Close all open indices
              match indexService.GetAllIndex() with
              | Choice1Of2(regs) ->
                  for registeration in regs do
                      indexService.CloseIndex(registeration.IndexName) |> ignore
              | _ -> ()
  
negative.code:     open System.Threading
      open System.Threading.Tasks
      open org.apache.lucene.analysis
          
      let GetLoggerService() = 
              new ConsoleLogService() :> ILogService
      
      /// <summary>
  