void () { Style oldStyle = getValue(); if (SystemInfoRt.isMac && !Registry.is("ide.mac.disableMacScrollbars", false)) { super.run(); } Style newStyle = getValue(); if (newStyle != oldStyle) { List<MacScrollBarUI> list = new ArrayList<>(); processReferences(null, null, list); for (MacScrollBarUI ui : list) { ui.updateStyle(newStyle); } } }