protected override Task OnChangeRoleAsync(ReplicaRole newRole, CancellationToken cancellationToken)
 {
     if (newRole != ReplicaRole.Primary)
     {
         BackupRestoreTrace.TraceSource.WriteInfo(TraceType, "Stoping the WorkItem Handler");
         WorkItemHandler.StopWorkItemHandler();
         BackupRestoreTrace.TraceSource.WriteInfo(TraceType, "Stopped the WorkItem Handler");
     }
     return(base.OnChangeRoleAsync(newRole, cancellationToken));
 }