docs: @Override
  	public void eUnset(int featureID)
  	{
  		switch (featureID)
  		{
  			case SarlPackage.SARL_ASSERT_EXPRESSION__CONDITION:
  				setCondition((XExpression)null);
  				return;
  			case SarlPackage.SARL_ASSERT_EXPRESSION__MESSAGE:
  				setMessage(MESSAGE_EDEFAULT);
  				return;
  			case SarlPackage.SARL_ASSERT_EXPRESSION__IS_STATIC:
  				setIsStatic(IS_STATIC_EDEFAULT);
  				return;
  		}
  		super.eUnset(featureID);
  	}