void _asyncWorker(object obj)
{
_Blah blah = obj as _Blah;
TranslitResult trAsyncResult =
new TranslitResult(Do(blah.str));
blah.callback(trAsyncResult);
}
static void _asyncWorker(object obj)
{
_Blah blah = obj as _Blah;
TranslitResult trAsyncResult =
new TranslitResult(Do(blah.str, blah.SkipGarbage));
blah.callback(trAsyncResult);
}