NSExtension NSExtensionAttributes NSExtensionActivationRule TRUEPREDICATE NSExtensionServiceAllowsFinderPreviewItem NSExtensionServiceAllowsTouchBarItem NSExtensionServiceFinderPreviewIconName NSActionTemplate NSExtensionServiceTouchBarBezelColorName TouchBarBezel NSExtensionServiceTouchBarIconName NSActionTemplate NSExtensionMainStoryboard MainInterface NSExtensionPointIdentifier com.apple.ui-services