annotation class Other @RequiresOptIn(message = "This is a test.") @Retention(AnnotationRetention.BINARY) @Target(AnnotationTarget.FUNCTION) annotation class OptInMarker class A { @Other @Deprecated("equals") @SinceKotlin("1.2") override fun equals(other: Any?): Boolean { return super.equals(other) } @SinceKotlin("1.3") override fun hashCode(): Int { return super.hashCode() } @Deprecated("toString") @OptInMarker override fun toString(): String { return super.toString() } @Deprecated("other") @OptInMarker fun test(): Int = 5 }