public void StopLogging(PizzaMasterCmdlet cmdlet)
        {
            //var target = this.stack.Pop();
            //if (target != cmdlet)
            //    throw new InvalidOperationException();

            //this.Flush(cmdlet);
        }
 public void StartLogging(PizzaMasterCmdlet cmdlet)
 {
     //this.stack.Push(cmdlet);
 }