NSExtension NSExtensionAttributes NSExtensionActivationRule NSExtensionActivationSupportsText NSExtensionServiceAllowsFinderPreviewItem NSExtensionServiceAllowsTouchBarItem NSExtensionServiceFinderPreviewIconName NSActionTemplate NSExtensionServiceTouchBarBezelColorName TouchBarBezel NSExtensionServiceTouchBarIconName NSActionTemplate NSExtensionPointIdentifier com.apple.ui-services NSExtensionPrincipalClass YetiActionExtension.YetiActionExtensionViewController