String ArgsXtoStr() {
if (this.Args_count() == 0) return "<<EMPTY>>";
String_bldr sb = String_bldr_.new_();
for (int i = 0; i < this.Args_count(); i++) {
Keyval rv = (Keyval) this.Args_getAt(i);
sb.Add_fmt("{0};", rv.Key());
}
return sb.To_str();
}
public String To_str() {
String_bldr sb = String_bldr_.new_();
To_str(sb, new XtoStrWkr_gplx(), this);
return sb.To_str_and_clear();
}