session-ios/SessionMessagingKit/Messages/Visible Message/VisibleMessage+LinkPreview.swift

public extension VisibleMessage {

    @objc(SNLinkPreview)
    class LinkPreview : NSObject, NSCoding {

        public required init?(coder: NSCoder) {
            fatalError("Not implemented.")
        }

        public func encode(with coder: NSCoder) {
            fatalError("Not implemented.")
        }
    }
}