closeTunnel method
Closes the caller's tunnel tunnelRef (a full id or unambiguous prefix).
Implementation
Future<TunnelCloseResult> closeTunnel(String tunnelRef) {
_ensureConnected();
final id = newId();
final completer = Completer<TunnelCloseResult>();
_pendingTunnelCloses[id] = completer;
_connection!.send(
ControlFrame(TunnelCloseRequest(requestId: id, tunnelRef: tunnelRef)),
);
return completer.future;
}