kotlin/idea/testData/quickfix/implement/doNotAddHeader.kt

// "Implement members" "true"
// ENABLE_MULTIPLATFORM
// ERROR: Expected interface 'InterfaceWithFuns' has no actual declaration in module light_idea_test_case for JVM

fun TODO(s: String): Nothing = null!!

expect interface InterfaceWithFuns {
    fun funInInterface()
}

class <caret>ChildOfInterface : InterfaceWithFuns{
}