static let appInfo : CommandGroupPlacement Standard placement for commands that provide information about the app, the terms of the user’s license agreement, etc.
static let appSettings : CommandGroupPlacement Standard placement for commands that expose app settings and preferences.
static let appVisibility : CommandGroupPlacement Standard placement for commands that control the visibility of running apps.
動作しているアプリの可視性を制御するコマンドそれらの標準配置。
static let systemServices : CommandGroupPlacement Standard placement for commands that expose services provided by other apps.
他のアプリによって提供されるサービスを露出するコマンドそれらの標準配置。