public static void DeleteEnvelopes(this IDocumentSession session, DbObjectName table,
                                           IEnumerable <Envelope> envelopes)
        {
            var operation = new DeleteEnvelopes(table, envelopes);

            session.QueueOperation(operation);
        }
        public static void DeleteEnvelopes(this IDocumentSession session, DbObjectName table, Guid[] idlist)
        {
            var operation = new DeleteEnvelopes(table, idlist);

            session.QueueOperation(operation);
        }