code: @Override
  	public boolean eIsSet(int featureID) {
  		switch (featureID) {
  			case AfplibPackage.PRESENTATION_SPACE_RESET_MIXING__BG_MX_FLAG:
  				return BG_MX_FLAG_EDEFAULT == null ? bgMxFlag != null : !BG_MX_FLAG_EDEFAULT.equals(bgMxFlag);
  		}
  		return super.eIsSet(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated