SwiftDocCContentAndMediaContentAndMedia.MediaPositionEnumerationContentAndMedia.MediaPositionConstants that represent the media’s position in relation to prose content.enum MediaPositionTopicsEnumeration Casescase leadingThe media’s position is at the leading, or front, edge of the prose content.case trailingThe media’s position is at the trailing, or rear, edge of the prose content.Initializersinit?(rawValue: String)