public override async Task ProcessInternal(Post post, DirectoryInfo workDir, CancellationToken token, ILog log)
        {
            var allComments = await vkApiUtils.GetAllPagesAsync(vkApiUtils.Comments(post), 100, token, log);

            log.Debug($"Post {post.Id} has {allComments.Count} comments");
            var byDate = allComments
                         .OrderBy(c => c.Date)
                         .ToList();
            await byDate.SaveHumanReadableText(filesystemTools, workDir, token, log);

            var commentTasks = byDate
                               .Where(c => c.Attachments.Count > 0)
                               .Select(c => commentHandler.Process(c, workDir, token, log));
            await Task.WhenAll(commentTasks);
        }