Kotlin Access Modifiers: private

Private.kt

// Private.kt file

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

// Visible just inside this file
private class User() {
    // Visible just inside the user class
    private val numberEight = numberThree.plus(5)
}

// ERROR: numberEight is not accessible outside the User class
private const val numberEleven = numberEight.plus(numberThree)