private void TryProcessFlags(string data)
{
Match flagsMatch = Expressions.FlagsRex.Match(data);
if (!flagsMatch.Success)
{
return;
}
Flags.AddRangeInternal(flagsMatch.Groups[1].Value.Split(' ').Where(_ => !string.IsNullOrEmpty(_)));
_downloadProgress = _downloadProgress | MessageFetchMode.Flags;
}