pkg/front_end/testcases/general/escape.dart.textual_outline.expect

// @dart = 2.9
class A {
  var field;
}

class B {
  var field;
}

class C {
  operator ==(x) => false;
}

class X implements A, B {
  var field;
}

void useAsA(A object) {}
void useAsB(B object) {}
void escape(x) {}
main() {}