library test;
import self as self;
import "dart:core" as core;

class B extends core::Object {
  synthetic constructor •() → self::B*
    : super core::Object::•()
    ;
  method f(core::num* x) → void {}
}
abstract class I<T extends core::Object* = dynamic> extends core::Object {
  synthetic constructor •() → self::I<self::I::T*>*
    : super core::Object::•()
    ;
  abstract method f(generic-covariant-impl self::I::T* x) → void;
}
class C extends self::B implements self::I<core::num*> {
  synthetic constructor •() → self::C*
    : super self::B::•()
    ;
  forwarding-stub forwarding-semi-stub method f(generic-covariant-impl core::num* x) → void
    return super.{self::B::f}(x);
}
static method main() → dynamic {}