code: public void setRule(String newRule)
    {
      String oldRule = rule;
      rule = newRule;
      if (eNotificationRequired())
        eNotify(new ENotificationImpl(this, Notification.SET, SimpleAntlrPackage.RULE_CALL__RULE, oldRule, rule));
    }
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated