public static <Key, Value> LazyObjectMap<Key, Array<Value>> newMapOfArrays() {
        final ObjectProvider<Array<Value>> provider = ArrayObjectProvider.getProvider();
        return newMap(provider);
    }
public static < Key , Value > LazyObjectMap < Key , Array < Value > > newMapOfArrays ( ) { final ObjectProvider < Array < Value > > provider = ArrayObjectProvider . getProvider ( ) ; return newMap ( provider ) ; }
@return a new lazy map that provides empty, non-typed arrays.
@param <Key> type of map keys.
@param <Value> type of array values.