SwiftDocCImageMediaClassImageMediaA block filled with an image.final class ImageMediaTopicsInstance Propertiesvar altText: String?Optional alternate text for an image.var caption: MarkupContainerAn optional caption that should be rendered alongside the image.var deviceFrame: String?The name of a device frame that should wrap this image.let originalMarkup: BlockDirectivevar source: ResourceReferenceInstance Methodsfunc accept<V>(inout V) -> V.ResultType Propertiesstatic let directiveName: Stringstatic let introducedVersion: String