public Task <TaskLog> AppendLogContentAsync(Guid scopeIdentifier, string hubName, Guid planId, int logId, Stream uploadStream, CancellationToken cancellationToken)
        {
            var reader     = new StreamReader(uploadStream);
            var text       = reader.ReadToEnd();
            var addedLines = text.Split("\n");

            var lines = LogLines.GetValueOrDefault(logId);

            lines.AddRange(addedLines);
            return(Task.FromResult(LogObjects.GetValueOrDefault(logId)));
        }