docs: @Override
  	public void eUnset(int featureID) {
  		switch (featureID) {
  			case BpsimPackage.NORMAL_DISTRIBUTION_TYPE__MEAN:
  				unsetMean();
  				return;
  			case BpsimPackage.NORMAL_DISTRIBUTION_TYPE__STANDARD_DEVIATION:
  				unsetStandardDeviation();
  				return;
  		}
  		super.eUnset(featureID);
  	}