// WITH_RUNTIME
// DISABLE-ERRORS
interface T<X> {
    val foo: X
}

class U : T<String> {
    override val foo: String
        get() = TODO("Not yet implemented")

}

class V : T<Int> {
    override val foo: Int
        get() = <caret><selection>TODO("Not yet implemented")</selection>

}

class Z : T<Int> by V() {

}

class W : T<Boolean> {
    override val foo: Boolean
        get() = throw UnsupportedOperationException()
}