Protected.kt

// Protected.kt file

// Visible inside this file
private const val numberThree = 3

// Visible inside this file
private open class User() {
    // Visible inside the User class and subclasses
    protected val numberEight = numberThree.plus(5)
}

// Visible inside this file
private class Moderator() : User() {
    // Visible inside the Moderator class
    // numberEight is visible because Moderator is a subclass of User
    private val numberEleven = numberThree.plus(numberEight)
}

// ERROR: protected modifier is not allowed for top level declarations
protected const val numberThree = 3

// ERROR: protected modifier is not allowed for top level declarations
protected class Staff()