suggestions.addAll(suggestedPersonMapper.execute(mapperRequest));
suggestions.addAll(suggestedGroupMapper.execute(mapperRequest));
// sort the list
Collections.sort(suggestions, new StreamDTOFollowerCountDescendingComparator());
// return those requested
if (suggestions.size() > suggestionCount)
{
suggestions = new ArrayList<StreamDTO>(suggestions.subList(0, suggestionCount));