final isLegacySubtyping1a = const <Null>[] is List<int>;

const isLegacySubtyping1b = const <Null>[] is List<int>;

final isLegacySubtyping2a = const <int?>[] is List<int>;

const isLegacySubtyping2b = const <int?>[] is List<int>;

final assertLegacySubtyping1a = const <Null>[] as List<int>;

const assertLegacySubtyping1b = const <Null>[] as List<int>;

final assertLegacySubtyping2a = const <int?>[] as List<int>;

const assertLegacySubtyping2b = const <int?>[] as List<int>;

void main() {}

expect(expected, actual) {}