open class `$$$$$`() {
}

open class `$`() {
}

open class `$$`(`$$$$`: `$$$$$`?) : `$`() {
    val `$$$`: `$$$$$`?

    public open fun `$$$$$$`(): `$$$$$`? {
        return `$$$`
    }

    {
        `$$$` = `$$$$`
    }
}