session-ios/SessionMessagingKit/VisibleMessage+Contact.swift

public extension VisibleMessage {

    @objc(SNContact)
    public class Contact : NSObject, NSCoding {

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

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