docs: @SuppressWarnings("unchecked")
  	@Override
  	public void eSet(int featureID, Object newValue) {
  		switch (featureID) {
  			case XtextPackage.COMPOUND_ELEMENT__ELEMENTS:
  				getElements().clear();
  				getElements().addAll((Collection<? extends AbstractElement>)newValue);
  				return;
  		}
  		super.eSet(featureID, newValue);
  	}