func (sm *ServicePortMap) merge(other ServicePortMap) {
	for svcPortName, info := range other {
		_, exists := (*sm)[svcPortName]
		if !exists {
			klog.V(4).InfoS("Adding new service port", "portName", svcPortName, "servicePort", info)
		} else {
			klog.V(4).InfoS("Updating existing service port", "portName", svcPortName, "servicePort", info)
		}
		(*sm)[svcPortName] = info
	}
}

			}
			dirents = append(dirents, de)
		} else {
			info, err := lstat(f.name + "/" + string(name))
			if IsNotExist(err) {
				// File disappeared between readdir + stat.
				// Treat as if it didn't exist.
				continue
			}
			if err != nil {
				return nil, nil, infos, err
			}
			infos = append(infos, info)
		}
		runtime.KeepAlive(f)
	}

		t.Run(test.name, func(t *testing.T) {
			fs := NewFileSet()
			f := fs.AddFile(filename, -1, filesize)
			for _, info := range test.infos {
				f.AddLineColumnInfo(info.Offset, info.Filename, info.Line, info.Column)
			}
			if !reflect.DeepEqual(f.infos, test.want) {
				t.Errorf("\ngot %+v, \nwant %+v", f.infos, test.want)
			}
		})
	}
}

func TestIssue57490(t *testing.T) {

		select {
		case <-time.After(rotator.backOffTime):
			rootCertRotatorLog.Infof("Jitter complete, start rotator.")
		case <-stopCh:
			rootCertRotatorLog.Info("Received stop signal, so stop the root cert rotator.")
			return
		}
	}
	ticker := time.NewTicker(rotator.config.CheckInterval)
	for {
		select {
		case <-ticker.C:
			rootCertRotatorLog.Info("Check and rotate root cert.")
			rotator.checkAndRotateRootCert()

		if ingFamily := proxyutil.GetIPFamilyFromIP(ip); ingFamily == ipFamily {
			info.loadBalancerVIPs = append(info.loadBalancerVIPs, ip)
		} else {
			invalidIPs = append(invalidIPs, ip)
		}
	}
	if len(invalidIPs) > 0 {
		klog.V(4).InfoS("Service change tracker ignored the following load balancer ingress IPs for given Service as they don't match the IP Family",

		dataFile := filepath.Join(volPath, volDataFileName)
		klog.V(4).Info(log("also deleting volume info data file [%s]", dataFile))
		if err := os.Remove(dataFile); err != nil && !os.IsNotExist(err) {
			return errors.New(log("failed to delete volume data file [%s]: %v", dataFile, err))
		}
		// remove volume path
		klog.V(4).Info(log("deleting volume path [%s]", volPath))

			dirents = append(dirents, de)
		} else {
			info, err := lstat(f.name + "/" + string(name))
			if IsNotExist(err) {
				// File disappeared between readdir + stat.
				// Treat as if it didn't exist.
				continue
			}
			if err != nil {
				return nil, nil, infos, err
			}
			infos = append(infos, info)
		}
	}

	if n > 0 && len(names)+len(dirents)+len(infos) == 0 {
		return nil, nil, nil, io.EOF
	}

				dirents = append(dirents, dirEntry{f})
			} else {
				infos = append(infos, f)
			}
		}
		d.bufp += m
		n--
	}

	if n > 0 && len(names)+len(dirents)+len(infos) == 0 {
		return nil, nil, nil, io.EOF
	}
	return names, dirents, infos, nil
}

type dirEntry struct {
	fs *fileStat
}

func (de dirEntry) Name() string            { return de.fs.Name() }

// If you must continue obtaining a list of [fs.FileInfo], you still can:
//
//	entries, err := os.ReadDir(dirname)
//	if err != nil { ... }
//	infos := make([]fs.FileInfo, 0, len(entries))
//	for _, entry := range entries {
//		info, err := entry.Info()
//		if err != nil { ... }
//		infos = append(infos, info)
//	}
func ReadDir(dirname string) ([]fs.FileInfo, error) {
	f, err := os.Open(dirname)
	if err != nil {
		return nil, err
	}

	switch attrs.GetVerb() {
	case "update", "patch":
		// ok
	default:
		klog.V(2).Infof("NODE DENY: '%s' %#v", nodeName, attrs)
		return authorizer.DecisionNoOpinion, "can only get/update/patch this type", nil
	}

	if attrs.GetSubresource() != "status" {
		klog.V(2).Infof("NODE DENY: '%s' %#v", nodeName, attrs)
		return authorizer.DecisionNoOpinion, "can only update status subresource", nil
	}