public static OriginalFileNameMapping New(FileName uniqueFileName, FileName originalFileName)
        {
            var output = new OriginalFileNameMapping(uniqueFileName, originalFileName);

            return(output);
        }
        public static async Task Add(this IOriginalFileNameMappingRepository repository, FileName uniqueFileName, FileName originalFileName)
        {
            var mapping = OriginalFileNameMapping.New(uniqueFileName, originalFileName);

            await repository.Add(mapping);
        }