void () { PlatformImplementations a; // Internal in stdlib, error Integer c; MapsKt.mapCapacity(3); // Internal in stdlib, error Consumer<Integer> fun = MapsKt::mapCapacity; // Internal in stdlib, error SomeInternalClass b = new SomeInternalClass(); // Internal in same module, OK SomeInternalClassInOtherModule b = new SomeInternalClassInOtherModule(); // Internal in other module, error }