// FIR_IDENTICAL
external interface I {
    interface J

    class <!NESTED_CLASS_IN_EXTERNAL_INTERFACE!>C<!>

    <!NESTED_CLASS_IN_EXTERNAL_INTERFACE!>object O<!>

    enum class <!NESTED_CLASS_IN_EXTERNAL_INTERFACE!>E<!>

    companion <!NESTED_CLASS_IN_EXTERNAL_INTERFACE!>object<!>
}