final PluginDescriptionFile pdf = new PluginDescriptionFile(new FileInputStream(new File(dataDir, "plugin.yml")));
// final void init(PluginLoader loader, Server server, PluginDescriptionFile description, File dataFolder, File file, ClassLoader classLoader) {
final Method init = JavaPlugin.class.getDeclaredMethod("init", PluginLoader.class, Server.class, PluginDescriptionFile.class, File.class, File.class, ClassLoader.class);
init.setAccessible(true);
init.invoke(skript, new JavaPluginLoader(s), s, pdf, dataDir, jar, getClass().getClassLoader());
Skript.getAddonInstance().loadClasses("ch.njol.skript", "entity");
new JavaClasses();
new BukkitClasses();
new BukkitEventValues();