protocol

sealed abstract class Comm extends Product with Serializable
final case class Connection(ip: String, transport: String, stdin_port: Int, control_port: Int, hb_port: Int, shell_port: Int, iopub_port: Int, key: Secret[String], signature_scheme: Option[String], kernel_name: Option[String] = None) extends Product with Serializable
final case class Header(msg_id: String, username: String, session: String, msg_type: String, version: Option[String]) extends Product with Serializable
final case class KernelInfo(protocol_version: String, implementation: String, implementation_version: String, language_info: LanguageInfo, banner: String, help_links: Option[List[Link]] = None) extends Product with Serializable
final case class KernelSpec(argv: List[String], display_name: String, language: String, interrupt_mode: Option[String] = None, env: Map[String, String] = Map.empty, metadata: Option[JsonObject] = None) extends Product with Serializable
final case class MessageType[T](messageType: String) extends AnyVal with Product with Serializable
final case class Status extends AnyVal with Product with Serializable