// "Add '@MyExperimentalAPI' annotation to 'outer'" "true" // COMPILER_ARGUMENTS: -Xopt-in=kotlin.RequiresOptIn // WITH_RUNTIME @RequiresOptIn @Target(AnnotationTarget.FUNCTION) annotation class MyExperimentalAPI open class Base { @MyExperimentalAPI open fun foo() {} } class Outer { fun outer() { class Derived : Base() { override fun foo() {} } } }