public long GetCountFor(string id)
        {
            var operation = new GetRevisionsCountOperation(id);
            var command   = operation.CreateRequest();

            RequestExecutor.Execute(command, Context, sessionInfo: SessionInfo);
            return(command.Result);
        }
        public async Task <long> GetCountForAsync(string id, CancellationToken token = default)
        {
            using (Session.AsyncTaskHolder())
            {
                var operation = new GetRevisionsCountOperation(id);
                var command   = operation.CreateRequest();
                await RequestExecutor.ExecuteAsync(command, Context, sessionInfo : SessionInfo, token : token).ConfigureAwait(false);

                return(command.Result);
            }
        }