*<Null safety>*
void sortByCompare <K>(K keyOf(E element), int compare(K a, K b), [int start = 0, int? end])
void sortByCompare<K>( K Function(E element) keyOf, int Function(K a, K b) compare, [int start = 0, int? end]) { quickSortBy(this, keyOf, compare, start, end); }