// used by the master.
type EndpointReconcilerConfig struct {
	Reconciler reconcilers.EndpointReconciler
	Interval   time.Duration
}

// Instance contains state for a Kubernetes cluster api server instance.
type Instance struct {
	ControlPlane *controlplaneapiserver.Server
}

func (c *Config) createMasterCountReconciler() reconcilers.EndpointReconciler {

	return newOption("nodeID", value)
}

func NodeType(value string) Instance {
	ntype := strings.Split(value, "~")[0]
	return newOption("nodeType", ntype)
}

func XdsType(value string) Instance {
	return newOption("xds_type", value)
}

func Region(value string) Instance {
	return newOptionOrSkipIfZero("region", value)
}

func Zone(value string) Instance {

}

func assignRefs(refs []*echo.Instance, instances echo.Instances) error {
	if len(refs) != len(instances) {
		return fmt.Errorf("cannot set %d references, only %d instances were built", len(refs), len(instances))
	}
	for i, ref := range refs {
		if ref != nil {
			*ref = instances[i]
		}
	}
	return nil
}

func (b *builder) BuildOrFail(t test.Failer) echo.Instances {
	t.Helper()
	out, err := b.Build()

	}
}

func sortServiceTargets(instances []model.ServiceTarget) {
	sort.Slice(instances, func(i, j int) bool {
		if instances[i].Service.Hostname == instances[j].Service.Hostname {
			if instances[i].Port.TargetPort == instances[j].Port.TargetPort {
				return instances[i].Port.TargetPort < instances[j].Port.TargetPort
			}
		}
		return instances[i].Service.Hostname < instances[j].Service.Hostname
	})
}

			}
		}

		return outServices.Instances()
	}
}

func notRegularPods() Filter {
	return func(instances echo.Instances) echo.Instances {
		return match.NotRegularPod.GetMatches(instances)
	}
}

// FilterMatch returns a filter that simply applies the given matcher.
func FilterMatch(matcher match.Matcher) Filter {
	return func(instances echo.Instances) echo.Instances {
		return matcher.GetMatches(instances)

	return func(i echo.Instance) bool {
		return n == i.NamespacedName()
	}
}

// AnyServiceName matches instances if they have the same Service and Namespace as any of the provided instances.
func AnyServiceName(expected echo.NamespacedNames) Matcher {
	return func(instance echo.Instance) bool {
		serviceName := instance.NamespacedName()
		for _, expectedName := range expected {
			if serviceName == expectedName {

			continue
		}
		if _, f := s.instances[ikey]; !f {
			s.instances[ikey] = map[configKeyWithParent][]*model.ServiceInstance{}
		}
		s.instancesByHostAndPort.Insert(hostPort)
		s.instances[ikey][key] = append(s.instances[ikey][key], instance)
		if instance.Endpoint.Address != "" {
			s.ip2instance[instance.Endpoint.Address] = append(s.ip2instance[instance.Endpoint.Address], instance)
		}
	}
}

		}
	}

	// Get Instances from mockAdapter2
	instances = aggregateCtl.GetProxyServiceTargets(&model.Proxy{IPAddresses: []string{mock.MakeIP(mock.WorldService, 1)}})
	if len(instances) != 6 {
		t.Fatalf("Returned GetProxyServiceTargets' amount %d is not correct", len(instances))
	}
	for _, inst := range instances {
		if inst.Service.Hostname != mock.WorldService.Hostname {
			t.Fatal("Returned Instance is incorrect")
		}
	}

    /**
     * Does this instance represent some temporary or mutated view of the component?
     *
     * Generally you should avoid retaining ad hoc instances in memory, whereas non-ad hoc instances can safely be cached for the lifetime of the build tree.
     *
     * @return true when this instance is ad hoc, false when this instance is not ad hoc and can be cached.
     */
    boolean isAdHoc();

	rotateToken = enable
}

// GCEPlugin is the plugin object.
type GCEPlugin struct {
	// aud is the unique URI agreed upon by both the instance and the system verifying the instance's identity.
	// For more info: https://cloud.google.com/compute/docs/instances/verifying-instance-identity
	aud string

	// The location to save the identity token
	jwtPath string

	// identity provider
	identityProvider string