code: @Override
  	public boolean eIsSet(int featureID) {
  		switch (featureID) {
  			case AfplibPackage.GCBIMG__FORMAT:
  				return FORMAT_EDEFAULT == null ? format != null : !FORMAT_EDEFAULT.equals(format);
  			case AfplibPackage.GCBIMG__RES:
  				return RES_EDEFAULT == null ? res != null : !RES_EDEFAULT.equals(res);
  			case AfplibPackage.GCBIMG__WIDTH:
  				return WIDTH_EDEFAULT == null ? width != null : !WIDTH_EDEFAULT.equals(width);
  			case AfplibPackage.GCBIMG__HEIGHT:
  				return HEIGHT_EDEFAULT == null ? height != null : !HEIGHT_EDEFAULT.equals(height);
  		}
  		return super.eIsSet(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated