public static HMap <K, V> trySetItems <K, V>(HMap <K, V> map, IEnumerable <K> keys, Func <V, V> Some) => map.TrySetItems(keys, Some);
public static HMap <K, V> trySetItems <K, V>(HMap <K, V> map, IEnumerable <KeyValuePair <K, V> > items) => map.TrySetItems(items);