public virtual DataType VisitUnknownType(UnknownType unk) { return(unk); }
public Formatter VisitUnknownType(UnknownType ut) { writer.Write("<unknown>"); return(writer); }
public int VisitUnknownType(UnknownType ut) { return(Unk); }
public DataType VisitUnknownType(UnknownType unk) { return(unk); }