public void Add([NotNull] FtpSummary other)
{
if (other == null)
{
throw new ArgumentNullException(nameof(other));
}
Deleted.AddRange(other.Deleted);
DeletedDirectories.AddRange(other.DeletedDirectories);
CreatedDirectories.AddRange(other.CreatedDirectories);
UpdatedFiles.AddRange(other.UpdatedFiles);
CreatedFiles.AddRange(other.CreatedFiles);
CreatedFiles = CreatedFiles.Except(UpdatedFiles).ToList();
IgnoredFiles.AddRange(other.IgnoredFiles);
IgnoredDirectories.AddRange(other.IgnoredDirectories);
}