library /*isNonNullableByDefault*/;
import self as self;
import "dart:core" as core;

static const field core::bool a = const <Null>[] is{ForNonNullableByDefault} core::List<core::int>;
static const field core::bool b = const <core::int?>[] is{ForNonNullableByDefault} core::List<core::int>;
static method main() → void
  ;


Extra constant evaluation status:
Evaluated: ListLiteral @ org-dartlang-testcase:///is.dart:5:17 -> ListConstant(const <Null>[])
Evaluated: ListLiteral @ org-dartlang-testcase:///is.dart:6:17 -> ListConstant(const <int?>[])
Extra constant evaluation: evaluated: 4, effectively constant: 2