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