fenzo-triggers/src/main/java/com/netflix/fenzo/triggers/persistence/AbstractInMemoryDao.java
protected List<T> list(String group) {
        return map.get(group) != null ? new ArrayList<T>(map.get(group).values()) : new ArrayList<T>();
    }
protected List<T> list(String group) {
        return map.get(group) != null ? new ArrayList<T>(map.get(group).values()) : new ArrayList<T>();
    }
@warn method description missing
@warn parameter group description missing

@param group
@return