public abstract interface Comparator<T : R|ft<kotlin/Any, kotlin/Any?>!|> : R|kotlin/Any| {
    public abstract fun compare(o1: R|ft<T, T?>!|, o2: R|ft<T, T?>!|): R|kotlin/Int|

    public abstract operator fun equals(obj: R|kotlin/Any?|): R|kotlin/Boolean|

}
