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>();
    }
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
@warn method description missing @warn parameter group description missing