public class C {
    public val foo: Int = 0

    public fun bar() {}

}

open class D {
    protected open fun willRemainProtected() {
    }

    protected open fun willBecomePublic() {
    }
}

class E : D() {
    protected override fun willRemainProtected() {
    }

    public override fun willBecomePublic() {
    }
}