code: public static String getRuleName(AbstractRule rule) {
  		return org.eclipse.xtext.xtext.generator.parser.antlr.AntlrGrammarGenUtil.getRuleName(rule);
  	}
docs: Returns the effective rule name for the generated Antlr grammar.
  Inherited rules may be prefixed by {@code super[0..9]*}. Otherwise the
  prefix {@code rule or RULE_} is used.
  @since 2.9