// so we have no fallback. If there was no match, the Gateway is a no-op.
	return ret
}

func canMergeProtocols(current protocol.Instance, p protocol.Instance) bool {
	return (current.IsHTTP() || current == p) && p.IsHTTP()
}

func GetSNIHostsForServer(server *networking.Server) []string {
	if server.Tls == nil {
		return nil
	}
	// sanitize the server hosts as it could contain hosts of form ns/host

        if (isInputTrackingDisabled()) {
            return
        }

        scriptSource.uri?.takeIf { it.isHttp }?.let { uri ->
            sink().captureRemoteScript(uri)
        }
    }

    /**
     * Returns `true` if [scheme][URI.scheme] starts with `http`.
     */
    private
    val URI.isHttp: Boolean
        get() = scheme.startsWith("http")

			continue
		}

		configs = append(configs, types.NamespacedName{Name: modelSvc.Hostname.String(), Namespace: svc.Namespace})

		for _, p := range modelSvc.Ports {
			if !p.Protocol.IsHTTP() {
				pureHTTP = false
				break
			}
		}
	}

	configsUpdated := sets.New[model.ConfigKey]()
	for _, config := range configs {
		if !pureHTTP {

	// uses downstream protocol. Therefore if the client upgrades connection to http2,
	// the server will send h2 stream to the application,even though the application only
	// supports http 1.1.
	if port != nil && !port.Protocol.IsHTTP() {
		return false
	}

	return mesh.H2UpgradePolicy == meshconfig.MeshConfig_UPGRADE
}

func (cb *ClusterBuilder) applyDefaultConnectionPool(cluster *cluster.Cluster) {

	HTTP2 Protocol = "http2"
	TCP   Protocol = "tcp"
)

type TLSMode string

const (
	Plaintext TLSMode = "plaintext"
	TLS       TLSMode = "tls"
	MTLS      TLSMode = "mtls"
)

func (c Call) IsHTTP() bool {
	return httpProtocols.Contains(string(c.Protocol)) && (c.TLS == Plaintext || c.TLS == "")
}

var httpProtocols = sets.New(string(HTTP), string(HTTP2))

var (

	wasm := builder.push.WasmPluginsByListenerInfo(builder.node, model.WasmPluginListenerInfo{
		Port:  opts.port,
		Class: istionetworking.ListenerClassGateway,
	}, model.WasmPluginTypeNetwork)
	if p.IsHTTP() {
		// We have a list of HTTP servers on this port. Build a single listener for the server port.
		port := &networking.Port{Number: port.Number, Protocol: port.Protocol}

				portMapper.Map[portString] = match.ToMatcher(match.NewAppProtocol(match.ProtocolMatch{
					TCP:  match.ToChain(tcpName),
					HTTP: match.ToChain(httpName),
				}))
			} else if port.Protocol.IsHTTP() {
				// Otherwise, just insert HTTP/TCP
				chains = append(chains, httpChain)
				portMapper.Map[portString] = match.ToChain(httpChain.Name)
			} else {
				chains = append(chains, tcpChain)