code: @Override
  	public boolean eIsSet(int featureID) {
  		switch (featureID) {
  			case AfplibPackage.TILE_SIZE__THSIZE:
  				return THSIZE_EDEFAULT == null ? thsize != null : !THSIZE_EDEFAULT.equals(thsize);
  			case AfplibPackage.TILE_SIZE__TVSIZE:
  				return TVSIZE_EDEFAULT == null ? tvsize != null : !TVSIZE_EDEFAULT.equals(tvsize);
  			case AfplibPackage.TILE_SIZE__RELRES:
  				return RELRES_EDEFAULT == null ? relres != null : !RELRES_EDEFAULT.equals(relres);
  		}
  		return super.eIsSet(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated