src/vs/workbench/contrib/remote/browser/tunnelView.ts/ActionBarRenderer/tunnelContext
class ActionBarRenderer:	private tunnelContext(tunnel: ITunnelItem): ITunnelItem {
		let context: ITunnelItem | undefined;
		if (tunnel instanceof TunnelItem) {
			context = tunnel.strip();
		}
		if (!context) {
			context = {
				tunnelType: tunnel.tunnelType,
				remoteHost: tunnel.remoteHost,
				remotePort: tunnel.remotePort,
				localAddress: tunnel.localAddress,
				protocol: tunnel.protocol,
				localUri: tunnel.localUri,
				localPort: tunnel.localPort,
				name: tunnel.name,
				closeable: tunnel.closeable,
				source: tunnel.source,
				privacy: tunnel.privacy,
				processDescription: tunnel.processDescription,
				label: tunnel.label
			};
		}
		return context;
	}