public static IntervalSet of(int a, int b) {IntervalSet s = new IntervalSet();s.add(a,b);return s;}
public static Antlr4.Runtime.Misc.IntervalSet Of(int a, int b){Antlr4.Runtime.Misc.IntervalSet s = new Antlr4.Runtime.Misc.IntervalSet();s.Add(a, b);return s;}