library test /*isNonNullableByDefault*/;
import self as self;
import "dart:core" as core;

class C extends core::Object implements self::B {
  final field core::int x;
  constructor •() → self::C
    ;
}
abstract class B extends core::Object {
  synthetic constructor •() → self::B
    ;
  abstract get x() → core::int;
}
static method f<T extends core::Object? = dynamic>() → self::f::T%
  ;
static method main() → dynamic
  ;