docs: public NotificationChain basicSetCondition(XExpression newCondition, NotificationChain msgs)
  	{
  		XExpression oldCondition = condition;
  		condition = newCondition;
  		if (eNotificationRequired())
  		{
  			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SarlPackage.SARL_ASSERT_EXPRESSION__CONDITION, oldCondition, newCondition);
  			if (msgs == null) msgs = notification; else msgs.add(notification);
  		}
  		return msgs;
  	}