fun listClassesInPackage(pkg: String): Sequence<String> = ClassLoader.getSystemClassLoader().getResourceAsStream(pkg.replace(".", "/"))
        ?.bufferedReader()
        ?.lineSequence()
        ?.filter { it.endsWith(".class") && "$" !in it }
        ?.map { "$pkg.${it.removeSuffix(".class")}" }
        ?: emptySequence()