proc close(self: AutotlsBroker): InternalRaisesFuture[void, (CancelledError,)] {.
    ...stackTrace: false, raises: [], gcsafe, raises: [], tags: [RootEffect],
    forbids: [].}

proc new(T: typedesc[AutotlsBroker]; rng: Rng;
         brokerURL: string = DefaultBrokerURL;
         peerIdAuthClient: PeerIDAuthClient = PeerIDAuthClient.new(rng)): T:type {.
    ...raises: [].}

proc sendChallenge(self: AutotlsBroker; peerInfo: PeerInfo;
                   addrs: seq[MultiAddress]; keyAuth: KeyAuthorization): InternalRaisesFuture[
    void, (AutoTLSError, PeerIDAuthError, CancelledError)] {....stackTrace: false,
    raises: [], gcsafe, raises: [], tags: [RootEffect], forbids: [].}