docs: public static Set<Integer> getApplicableHistoryTypes() {
  		Set<Integer> allApplicableTypes = new HashSet<Integer>();
  		allApplicableTypes.addAll(PluginPassiveScanner.getDefaultHistoryTypes());
  		if (!optedInHistoryTypes.isEmpty()) {
  			allApplicableTypes.addAll(optedInHistoryTypes);
  		}
  		return allApplicableTypes;
  	}