= none(seq[string]);
         toAdd: set[ProcOption] = {}; toRemove: set[ProcOption] = {};
         input = none(AsyncIoBase); output = none(AsyncIoBase);
         outputErr = none(AsyncIoBase); env = none(ProcEnv);
         envModifier = none(ProcEnv); workingDir = none(string);
         processName = none(string); logFn = none(LogFn);
         onErrorFn = none(OnErrorFn); cancelFut: Future[void] = nil): Future[
    bool]" href="_._/src/asyncproc/exports/asyncprocimpl.html#runCheck%2CProcArgs%2Cseq%5Bstrin