TouchBarItemPresence Options that affect user customization of the Touch Bar. Declarationenum TouchBarItemPresence TopicsGetting presence optionsTouchBarItemPresence.default(_:)TouchBarItemPresence.optional(_:)TouchBarItemPresence.required(_:) RelationshipsConforms ToSendableSendableMetatype See AlsoManaging Touch Bar inputtouchBar(content:)touchBar(_:)touchBarItemPrincipal(_:)touchBarCustomizationLabel(_:)touchBarItemPresence(_:)TouchBar