ConfirmationGuiBuilder

player.showConfirmation {
    title = "削除確認"
    message = "本当に削除しますか？"
    confirmText = "削除する"
    denyText = "キャンセル"

    onResult { result ->
        when (result) {
            ConfirmationResult.Confirmed -> deleteItem()
            ConfirmationResult.Denied -> cancel()
            ConfirmationResult.Cancelled -> {}
        }
    }
}