print(")");
    public void visitShiftExpression(JShiftExpression self,                                     int oper,                                     JExpression left,                                     JExpression right) {        left.accept(this);        if (oper == OPE_SL) {            print(" << ");        } else if (oper == OPE_SR) {            print(" >> ");        } else {            print(" >>> ");        }        right.accept(this);    }