code: @Override
  	public boolean eIsSet(int featureID) {
  		switch (featureID) {
  			case AfplibPackage.MODCA_INTERCHANGE_SET__ISTYPE:
  				return ISTYPE_EDEFAULT == null ? iStype != null : !ISTYPE_EDEFAULT.equals(iStype);
  			case AfplibPackage.MODCA_INTERCHANGE_SET__ISID:
  				return ISID_EDEFAULT == null ? iSid != null : !ISID_EDEFAULT.equals(iSid);
  		}
  		return super.eIsSet(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated