code: @Override
  	public boolean eIsSet(int featureID) {
  		switch (featureID) {
  			case AfplibPackage.IDE_STRUCTURE__FLAGS:
  				return FLAGS_EDEFAULT == null ? flags != null : !FLAGS_EDEFAULT.equals(flags);
  			case AfplibPackage.IDE_STRUCTURE__FORMAT:
  				return FORMAT_EDEFAULT == null ? format != null : !FORMAT_EDEFAULT.equals(format);
  			case AfplibPackage.IDE_STRUCTURE__SIZE1:
  				return SIZE1_EDEFAULT == null ? size1 != null : !SIZE1_EDEFAULT.equals(size1);
  			case AfplibPackage.IDE_STRUCTURE__SIZE2:
  				return SIZE2_EDEFAULT == null ? size2 != null : !SIZE2_EDEFAULT.equals(size2);
  			case AfplibPackage.IDE_STRUCTURE__SIZE3:
  				return SIZE3_EDEFAULT == null ? size3 != null : !SIZE3_EDEFAULT.equals(size3);
  			case AfplibPackage.IDE_STRUCTURE__SIZE4:
  				return SIZE4_EDEFAULT == null ? size4 != null : !SIZE4_EDEFAULT.equals(size4);
  		}
  		return super.eIsSet(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated