class FooView : AbstractComposeView {
    // Consumers can set click listener
    // Does this need to be a mutable state?
    val clickListenerState: MutableState<() -> Unit> = mutableStateOf({})
    // Or does this suffice?
    var clickListenerNotState: () -> Unit = {}

    @Composable
    override fun Content() {
        Button(
            onClick = clickListenerNotState // OR clickListenerState.value
        )
    }
}