setAsHelpMenuForNSApp
fun setAsHelpMenuForNSApp(): ERROR CLASS: Symbol not found for js.promise.Promise<ERROR CLASS: Symbol not found for js.core.Void>(source)
Set this submenu as the Help menu for the application on macOS.
This will cause macOS to automatically add a search box to the menu.
If no menu is set as the Help menu, macOS will automatically use any menu which has a title matching the localized word "Help".
Platform-specific:
Windows / Linux: Unsupported.