code: @Override
  	public boolean eIsSet(int featureID) {
  		switch (featureID) {
  			case AfplibPackage.IPO__OVLY_NAME:
  				return OVLY_NAME_EDEFAULT == null ? ovlyName != null : !OVLY_NAME_EDEFAULT.equals(ovlyName);
  			case AfplibPackage.IPO__XOL_OSET:
  				return XOL_OSET_EDEFAULT == null ? xolOset != null : !XOL_OSET_EDEFAULT.equals(xolOset);
  			case AfplibPackage.IPO__YOL_OSET:
  				return YOL_OSET_EDEFAULT == null ? yolOset != null : !YOL_OSET_EDEFAULT.equals(yolOset);
  			case AfplibPackage.IPO__OVLY_ORENT:
  				return OVLY_ORENT_EDEFAULT == null ? ovlyOrent != null : !OVLY_ORENT_EDEFAULT.equals(ovlyOrent);
  			case AfplibPackage.IPO__TRIPLETS:
  				return triplets != null && !triplets.isEmpty();
  		}
  		return super.eIsSet(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated