pkg/front_end/testcases/nnbd/issue41349.dart.textual_outline_modelled.expect

class A {
  foo() => 23;
}

expect(expected, actual) {}

extension B on A? {
  bar() => 87;
  foo() => 42;
}

extension C on A {
  bar() => 123;
}

extension D on int Function()? {
  int call() => 76;
}

main() {}

testA(A? a) {}

testFunction(int Function()? f) {}