operator [] method
Implementation
Uint8List operator [](int index) {
if (index < 0 || index + 1 >= offsets.length) return Uint8List(0);
final int start = offsets[index];
final int end = offsets[index + 1];
if (start < 0 || end > data.length || end < start) return Uint8List(0);
return Uint8List.sublistView(data, start, end);
}