AddFunc: enqueue,
		UpdateFunc: func(oldObj, newObj interface{}) {
			oldMeta, err1 := meta.Accessor(oldObj)
			newMeta, err2 := meta.Accessor(newObj)

			if err1 != nil || err2 != nil {
				if err1 != nil {
					utilruntime.HandleError(err1)
				}

				if err2 != nil {
					utilruntime.HandleError(err2)
				}
				return
			} else if oldMeta.GetResourceVersion() == newMeta.GetResourceVersion() {

	appendError := func(err, err2 error) error {
		if err == nil {
			return err2
		} else if err2 == nil {
			return err
		}
		return multierror.Append(err, err2)
	}

	for _, err2 := range errs {
		switch t := err2.(type) {
		case Validation:
			err = appendError(err, t.Err)
		default:
			err = appendError(err, err2)
		}
	}
	return err
}

		return fmt.Errorf("service must not be empty")
	}
	parts := strings.Split(service, "/")
	if len(parts) == 1 {
		if err := ValidateFQDN(service); err != nil {
			if err2 := ValidateIPAddress(service); err2 != nil {
				return fmt.Errorf("invalid service fmt %s: %s", service, err2)
			}
		}
	} else {
		if err := ValidateNamespaceSlashWildcardHostname(service, false, false); err != nil {
			return err
		}
	}
	return nil
}

	if runtime.GOOS == "windows" {
		// Remove lingering ~ file from last attempt.
		if _, err2 := os.Stat(f + "~"); err2 == nil {
			os.Remove(f + "~")
		}
		// Try to move it out of the way. If the move fails,
		// which is likely, we'll try again the
		// next time we do an install of this binary.
		if err2 := os.Rename(f, f+"~"); err2 == nil {
			os.Remove(f + "~")
			return
		}
	}
	base.Error(err)

	errCh := make(chan error, len(pods))
	successfulDeletes := int32(len(pods))
	wg := sync.WaitGroup{}
	wg.Add(len(pods))
	for i := range pods {
		go func(pod *v1.Pod) {
			defer wg.Done()
			if err := jm.podControl.DeletePod(ctx, job.Namespace, pod.Name, job); err != nil && !apierrors.IsNotFound(err) {
				atomic.AddInt32(&successfulDeletes, -1)
				errCh <- err
				utilruntime.HandleError(err)

		errCh := make(chan error, batchSize)
		var wg sync.WaitGroup
		wg.Add(batchSize)
		for i := 0; i < batchSize; i++ {
			go func() {
				defer wg.Done()
				if err := fn(); err != nil {
					errCh <- err
				}
			}()
		}
		wg.Wait()
		curSuccesses := batchSize - len(errCh)
		successes += curSuccesses
		if len(errCh) > 0 {
			return successes, <-errCh
		}

	t.Helper()
	c.SetDeadline(neverTimeout)
	errCh := make(chan error)
	go func() {
		_, err := c.Write([]byte{0xff})
		errCh <- err
	}()
	buf := make([]byte, 1024)
	for {
		n, err := c.Read(buf)
		if n > 0 && bytes.IndexByte(buf[:n], 0xff) == n-1 {
			break
		}
		if err != nil {
			t.Errorf("unexpected Read error: %v", err)
			break
		}
	}
	if err := <-errCh; err != nil {

		close(errCh)
		if len(errCh) > 0 {
			errs := make([]error, 0)
			for err := range errCh {
				errs = append(errs, err)
			}
			return successes, utilerrors.NewAggregate(errs)
		}
		remaining -= batchSize
	}
	return successes, nil
}

type replicaStatus struct {
	replicas          int32
	readyReplicas     int32
	availableReplicas int32
	currentReplicas   int32

		if err != nil {
			t.Fatal(err)
		}
		opt.proxyServer = tc.proxyServer

		errCh := make(chan error, 1)
		go func() {
			errCh <- opt.runLoop(ctx)
		}()

		if tc.append {
			file.WriteString("append fake content")
		}

		select {
		case err := <-errCh:
			if err != nil {
				if !strings.Contains(err.Error(), tc.expectedErr) {

              oauth2.auth.schema.get("flow") === "authorization_code"
            ) && !oauth2.auth.code) {
                if (!isValid) {
                    oauth2.errCb({
                        authId: oauth2.auth.name,
                        source: "auth",
                        level: "warning",