{
    switch (featureID)
    {
      case MappingPackage.FUNCTION_NAME_PAIR__IN2OUT:
        setIn2out(IN2OUT_EDEFAULT);
        return;
      case MappingPackage.FUNCTION_NAME_PAIR__OUT2IN:
        setOut2in(OUT2IN_EDEFAULT);
        return;
    }
    super.eUnset(featureID);
  }