public void onRenderingBrightness(
                    GuiScreenEvent.InitGuiEvent.Pre event) {
                if (event.getGui() instanceof GuiVideoSettings) {
                    GuiVideoSettings gui = (GuiVideoSettings) event.getGui();
                    GuiListExtended optionsRowList = ReflectionHelper
                            .getPrivateValue(GuiVideoSettings.class, gui,
                                    "field_146501_h", "optionsRowList");
                    System.out.println(optionsRowList); // still null
                }
            }