public abstract interface RemoveRedundantProjectionKind : R|kotlin/Any| {
    public abstract operator fun f(collection: R|ft<kotlin/collections/MutableCollection<out kotlin/CharSequence>, kotlin/collections/Collection<out kotlin/CharSequence>?>!|): R|kotlin/Unit|

    public abstract operator fun f(comparator: R|ft<kotlin/Comparable<in kotlin/CharSequence>, kotlin/Comparable<in kotlin/CharSequence>?>!|): R|kotlin/Unit|

}