Context: networking.EnvoyFilter_GATEWAY,
				ObjectTypes: &networking.EnvoyFilter_EnvoyConfigObjectMatch_Listener{
					Listener: &networking.EnvoyFilter_ListenerMatch{
						PortNumber: 80,
						FilterChain: &networking.EnvoyFilter_ListenerMatch_FilterChainMatch{
							Filter: &networking.EnvoyFilter_ListenerMatch_FilterMatch{
								Name:      wellknown.HTTPConnectionManager,

			if err != nil {
				err = msgp.WrapError(err, "PartNumbers")
				return
			}
			if cap(z.PartNumbers) >= int(zb0005) {
				z.PartNumbers = (z.PartNumbers)[:zb0005]
			} else {
				z.PartNumbers = make([]int, zb0005)
			}
			for za0004 := range z.PartNumbers {
				z.PartNumbers[za0004], err = dc.ReadInt()
				if err != nil {
					err = msgp.WrapError(err, "PartNumbers", za0004)
					return
				}
			}

	pm := GatewayPortMap{}
	for r, s := range serversByRouteName {
		portNumber, _, _ := ParseGatewayRDSRouteName(r)
		if _, f := pm[portNumber]; !f {
			pm[portNumber] = sets.New[int]()
		}
		for _, se := range s {
			if se.Port == nil {
				continue
			}
			pm[portNumber].Insert(int(se.Port.Number))
		}
	}
	return pm

			} else {
				gwConflictingMap[mapKey][gwName] = server.GetHosts()
			}
		}
		return true
	})
	return gwConflictingMap
}

func genGatewayMapKey(selector, portNumber string) string {
	key := selector + "~" + portNumber
	return key

	if !hosts.Equals(expectedHosts) {
		t.Errorf("expected to get: [a.apps.svc.cluster.local,b.apps.svc.cluster.local], got: %s", hosts.String())
	}
}

func makeConfig(name, namespace, host, portName, portProtocol string, portNumber uint32, gw string, bind string,
	mode networking.ServerTLSSettings_TLSmode,
) config.Config {
	c := config.Config{
		Meta: config.Meta{
			Name:      name,
			Namespace: namespace,
		},

					},
				},
				Spec: k8s.GatewaySpec{
					GatewayClassName: k8s.ObjectName(features.GatewayAPIDefaultGatewayClass),
					Listeners: []k8s.Listener{{
						Name:     "http",
						Port:     k8s.PortNumber(80),
						Protocol: k8s.HTTPProtocolType,
					}},
				},
			},
			objects:                  defaultObjects,
			discoveryNamespaceFilter: discoveryNamespacesFilter,
		},
		{

				Context: networking.EnvoyFilter_SIDECAR_OUTBOUND,
				ObjectTypes: &networking.EnvoyFilter_EnvoyConfigObjectMatch_Listener{
					Listener: &networking.EnvoyFilter_ListenerMatch{
						PortNumber: 81,
					},
				},
			},
			Patch: &networking.EnvoyFilter_Patch{
				Operation: networking.EnvoyFilter_Patch_REMOVE,
			},
		},
		{
			ApplyTo: networking.EnvoyFilter_LISTENER,

	// FIXME: Ports on a listener can be 0. the API only takes uint32 for ports
	// We should either make that field in API as a wrapper type or switch to int
	if lMatch.PortNumber != 0 {
		sockAddr := listener.Address.GetSocketAddress()
		if sockAddr == nil || sockAddr.GetPortValue() != lMatch.PortNumber {
			return false
		}
	}
	return true
}

// We assume that the parent listener has already been matched

						Mode: &passthroughMode,
						Options: map[v1beta1.AnnotationKey]v1beta1.AnnotationValue{
							constants.ListenerModeOption: constants.ListenerModeAutoPassthrough,
						},
					},
					Port: v1beta1.PortNumber(customPort),
				},
				{
					Name: "detected-by-number",
					TLS:  &v1beta1.GatewayTLSConfig{Mode: &passthroughMode},
					Port: 15443,
				},
			},
		},
		Status: v1beta1.GatewayStatus{},

	sidecarScope := proxy.SidecarScope
	for _, ingressListener := range sidecarScope.Sidecar.Ingress {
		// LDS would have setup the inbound clusters
		// as inbound|portNumber|portName|Hostname[or]SidecarScopeID
		listenPort := &model.Port{
			Port:     int(ingressListener.Port.Number),
			Protocol: protocol.Parse(ingressListener.Port.Protocol),
			Name:     ingressListener.Port.Name,
		}