private static bool ValidatePreviewGuid(object value)
        {
            var identifier = ValidationHelper.GetGuid(value, Guid.Empty);
            var query      = new DocumentQuery().WhereEquals("DocumentWorkflowCycleGUID", identifier);

            return(query.HasResults());
        }
        private static bool ValidatePreviewGuid(object value)
        {
            var identifier = ValidationHelper.GetGuid(value, Guid.Empty);
            var query = new DocumentQuery().WhereEquals("DocumentWorkflowCycleGUID", identifier);

            return query.HasResults();
        }