public async Task ImportCkAsync(string tenantId, string key, ScopeIdsDto scopeId, IJobCancellationToken cancellationToken)
        {
            try
            {
                if (scopeId == ScopeIdsDto.System)
                {
                    throw new InvalidOperationException("Scope SYSTEM cannot be imported, because this scope is handled by system.");
                }

                Logger.Info($"Reading input file from cache for CK import to '{tenantId}'");
                var tempFile = await GetTempFile(key);

                Logger.Info($"Starting import of file '{tempFile}'");
                using var systemSession = await _systemContext.StartSystemSessionAsync();

                systemSession.StartTransaction();

                await _systemContext.ImportCkModelAsync(systemSession, tenantId, (ScopeIds)scopeId, tempFile,
                                                        cancellationToken.ShutdownToken);

                await systemSession.CommitTransactionAsync();

                await ClearCache(key);

                Logger.Info($"Import of file '{tempFile}' completed.");
            }
            catch (Exception e)
            {
                Logger.Error(e, "Import failed with error.");
                throw;
            }
        }