sealed interface Switch<Value : Enum<Value>> {
    val values: List<Value>

    companion object {
        val entries: List<Switch<*>> = listOf(Flag, Ternary)
    }
}

object Flag : Switch<Nothing> {
    override val values: List<Nothing>
        get() = emptyList()
}

object Ternary : Switch<Ternary.Value> {
    enum class Value {
        True, False, FileNotFound
    }
    override val values: List<Value>
        get() = Value.entries
}