code: @Override
    public void eUnset(int featureID)
    {
      switch (featureID)
      {
        case SimpleAntlrPackage.PARAMETER__TYPE:
          setType(TYPE_EDEFAULT);
          return;
        case SimpleAntlrPackage.PARAMETER__NAME:
          setName(NAME_EDEFAULT);
          return;
      }
      super.eUnset(featureID);
    }
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated