src/vs/workbench/contrib/remote/browser/tunnelView.ts/copyAddress
	async function copyAddress(remoteExplorerService: IRemoteExplorerService, clipboardService: IClipboardService, tunnelItem: ITunnelItem) {
		const address = remoteExplorerService.tunnelModel.address(tunnelItem.remoteHost, tunnelItem.remotePort);
		if (address) {
			await clipboardService.writeText(address.toString());
		}
	}