-#ifdef INTERFACE
+#ifndef CHECKBOX_SLIDER_INVALID_H
+#define CHECKBOX_SLIDER_INVALID_H
CLASS(XonoticSliderCheckBox, CheckBox)
METHOD(XonoticSliderCheckBox, configureXonoticSliderCheckBox, void(entity, float, float, entity, string))
METHOD(XonoticSliderCheckBox, setChecked, void(entity, float))