docs: protected AbstractElement unwrapSingleElementGroups(AbstractElement elementToParse) {
  		if (elementToParse instanceof Group) {
  			List<AbstractElement> elements = ((Group) elementToParse).getElements();
  			if (elements.size() == 1) {
  				return unwrapSingleElementGroups(elements.get(0));
  			}
  		}
  		return elementToParse;
  	}