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

typedef F<T extends core::Object = dynamic> = (T) → void;
class B<T extends core::Object = dynamic> extends core::Object {
  synthetic constructor •() → self::B<self::B::T>
    : super core::Object::•()
    ;
  method f(core::int x) → self::B::T {}
}
abstract class I<T extends core::Object = dynamic> extends core::Object {
  synthetic constructor •() → self::I<self::I::T>
    : super core::Object::•()
    ;
  abstract method f(core::Object x) → self::I::T;
}
abstract class C<T extends core::Object = dynamic> extends self::B<(self::C::T) → void> implements self::I<(self::C::T) → void> {
  synthetic constructor •() → self::C<self::C::T>
    : super self::B::•()
    ;
  abstract forwarding-stub method f(core::Object x) → (self::C::T) → void;
}
static method main() → void {}