code: public NotificationChain basicSetPredicate(RuleElement newPredicate, NotificationChain msgs)
    {
      RuleElement oldPredicate = predicate;
      predicate = newPredicate;
      if (eNotificationRequired())
      {
        ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SimpleAntlrPackage.PREDICATED__PREDICATE, oldPredicate, newPredicate);
        if (msgs == null) msgs = notification; else msgs.add(notification);
      }
      return msgs;
    }
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated