interface SomethingWithEvents {
    fun Toggled.onSomething(listener: () -> (Unit))
}

fun main(args: Array<String>) {
    (args as Toggled).apply {
        val something = args as SomethingWithEvents
        something.onSomething {
            println("Come on Kotlin for real m8")
        }
    }
}

something.onSomething(this, () -> {

});