docs: public static List<Entry<String, Double>> toEntryList(Set<Tuple> set) {
  		if (set == null || set.isEmpty()) {
  			return null;
  		}
  		List<Entry<String, Double>> result = new ArrayList<Entry<String, Double>>();
  		for (Tuple tuple : set) {
  			String element = tuple.getElement();
  			Double score = tuple.getScore();
  			Entry<String, Double> entry = new SimpleEntry<String, Double>(element, score);
  			result.add(entry);
  		}
  		return result;
  	}