src/vs/platform/tunnel/common/tunnel.ts/AbstractTunnelService/setEnvironmentTunnel
class AbstractTunnelService:	setEnvironmentTunnel(remoteHost: string, remotePort: number, localAddress: string, privacy: string, protocol: string): void {
		this.addTunnelToMap(remoteHost, remotePort, Promise.resolve({
			tunnelRemoteHost: remoteHost,
			tunnelRemotePort: remotePort,
			localAddress,
			privacy,
			protocol,
			dispose: () => Promise.resolve()
		}));
	}