LPProtocol = ref object of RootObj
  codecs*: seq[string]
  handler*: LPProtoHandler   ## this handler gets invoked by the protocol negotiator
  started*: bool

LPProtoHandler = proc (conn: Connection; proto: string): Future[void] {....gcsafe,
    raises: [Defect].}

func codec(p: LPProtocol): string {....raises: [], tags: [].}

func codec=(p: LPProtocol; codec: string) {....raises: [], tags: [].}

method init(p: LPProtocol) {.base, ...gcsafe, raises: [], tags: [].}

method start(p: LPProtocol): Future[void] {.base, stackTrace: false, ...gcsafe,
    raises: [], raises: [], tags: [RootEffect].}

method stop(p: LPProtocol): Future[void] {.base, stackTrace: false, ...gcsafe,
    raises: [], raises: [], tags: [RootEffect].}