SwiftDocCPageImagePageImage.PurposeEnumerationPageImage.PurposeThe name of the display style for this image.enum PurposeTopicsEnumeration Casescase cardThe image will be used when representing the page as a card, such as in grid styled Topics sections.case iconThe image will be used when representing the page as an icon, such as in the navigation sidebar.Initializersinit?(rawValue: String)