src/vs/workbench/contrib/remote/browser/tunnelView.ts/TunnelViewModel/constructor
class TunnelViewModel:	constructor(
		@IRemoteExplorerService private readonly remoteExplorerService: IRemoteExplorerService,
		@ITunnelService private readonly tunnelService: ITunnelService
	) {
		this.model = remoteExplorerService.tunnelModel;
		this.onForwardedPortsChanged = Event.any(this.model.onForwardPort, this.model.onClosePort, this.model.onPortName, this.model.onCandidatesChanged);
	}