fenzo-triggers/src/main/java/com/netflix/fenzo/triggers/persistence/AbstractInMemoryDao.java
protected List<T> list() {
        List<T> items = new ArrayList<>();
        for (Iterator<String> iterator = map.keySet().iterator(); iterator.hasNext();) {
            items.addAll(map.get(iterator.next()).values());
        }
        return items;
    }
protected List<T> list() {
        List<T> items = new ArrayList<>();
        for (Iterator<String> iterator = map.keySet().iterator(); iterator.hasNext();) {
            items.addAll(map.get(iterator.next()).values());
        }
        return items;
    }
@warn method description missing

@return