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);
        }
    }
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
@warn method description missing @warn parameter descriptions missing