public abstract interface TypeParamOfFun : R|kotlin/Any| {
    public abstract interface Sub : R|test/TypeParamOfFun.Super| {
        public abstract fun <E> foo(): R|E|

    }

    public abstract interface Super : R|kotlin/Any| {
        public abstract fun dummy(): R|kotlin/Unit|

        public abstract fun <T> foo(): R|T|

    }

}
