proc bridge(srcStream: Stream; dstStream: Stream): InternalRaisesFuture[void,
    (CancelledError,)] {....stackTrace: false, raises: [], gcsafe, raises: [],
                         tags: [RootEffect], forbids: [].}

proc sendHopStatus(stream: Stream; code: StatusV2): InternalRaisesFuture[void,
    (CancelledError, LPStreamError)] {....stackTrace: false, raises: [], gcsafe,
                                       raises: [], tags: [RootEffect],
                                       forbids: [].}

proc sendStatus(stream: Stream; code: StatusV1): InternalRaisesFuture[void,
    (CancelledError,)] {....stackTrace: false, raises: [], gcsafe, raises: [],
                         tags: [RootEffect], forbids: [].}

proc sendStopStatus(stream: Stream; code: StatusV2): InternalRaisesFuture[void,
    (CancelledError, LPStreamError)] {....stackTrace: false, raises: [], gcsafe,
                                       raises: [], tags: [RootEffect],
                                       forbids: [].}