fenzo-triggers/src/main/java/com/netflix/fenzo/triggers/persistence/AbstractInMemoryDao.java
protected void update(String group, String id, T type) {
        synchronized (map) {
            map.get(group).put(id, type);
        }
    }
protected void update(String group, String id, T type) {
        synchronized (map) {
            map.get(group).put(id, type);
        }
    }
@warn method description missing
@warn parameter descriptions missing

@param group
@param id
@param type