@Plugin(
    id = "testplugin"
)
public class TestPlugin {
  @Inject
  private ProxyServer server;

  @Subscribe
  public void onProxyInitialization(ProxyInitializeEvent event) {
    EventManager eventManager = this.server.getEventManager();
    eventManager.unregisterListeners(this);
    System.out.println("test123");
  }

  @Subscribe
  public void onProxyReload(ProxyReloadEvent event) {
    System.out.println("test321");
  }
}