public virtual IActionResult BackupFiles(BackupFileSearchModel searchModel)
        {
            if (!_permissionService.Authorize(StandardPermissionProvider.ManageMaintenance))
            {
                return(AccessDeniedKendoGridJson());
            }

            //prepare model
            var model = _commonModelFactory.PrepareBackupFileListModel(searchModel);

            return(Json(model));
        }