pkg/front_end/testcases/runtime_checks/generic_vs_explicit_covariance.dart.textual_outline.expect

// @dart = 2.9
library test;

abstract class A {
  void set x(covariant Object value);
}

class B implements A {
  void f(covariant Object x) {}
  Object x;
}

class C<T> implements B {
  void f(T x) {}
  T x;
}

main() {}