public override Task <List <Background> > FindBlocks(List <string> lines)
        {
            var backgrounds = new List <Background>();

            var backgroundsStart =
                lines.FindIndex(f => f.Equals(Localization.StartingBackground, StringComparison.InvariantCultureIgnoreCase));

            for (var i = backgroundsStart; i < lines.Count; i++)
            {
                if (!lines[i].StartsWith("## ") && !lines[i].StartsWith("## ") || lines[i].Contains(Localization.Changelog))
                {
                    continue;
                }

                var backgroundEndIndex = lines.FindIndex(i + 1, f => f.StartsWith("## "));
                var backgroundLines    = lines.Skip(i).ToList();
                if (backgroundEndIndex != -1)
                {
                    backgroundLines = lines.Skip(i).Take(backgroundEndIndex - i).CleanListOfStrings().ToList();
                }

                var expandedContentBackgroundProcessor = new ExpandedContentBackgroundProcessor(Localization);
                backgrounds.Add(expandedContentBackgroundProcessor.ParseBackground(backgroundLines, ContentType.Core));
            }

            return(Task.FromResult(backgrounds));
        }