private static string GetMessage(IProcessManager instance)
 {
     return String.Format("Process manager {0} is either complete or has not yet started.", instance.GetType().FullName);
 }
 private static string GetMessage(IProcessManager instance)
 {
     return String.Format("Process manager {0} has not been initialized. Ensure that the Begin, Continue or BeginOrContinue methods have been called.", instance.GetType().FullName);
 }