code: public String gaRuleAccessMethodName(final AbstractRule rule) {
      String _gaRuleIdentifyer = this.gaRuleIdentifyer(rule);
      String _plus = ("get" + _gaRuleIdentifyer);
      return (_plus + "Rule");
    }
docs: Returns the method name for accessing a rule via a GrammarAccess implementation.
  @param rule the rule for which the accessor method is needed
  @return the method's name.