type concErr struct {
	errMap     map[string]error
	summaryErr error
}

func (c concErr) Error() string {
	if c.summaryErr != nil {
		return c.summaryErr.Error()
	}
	return "<nil>"
}

func (c concErr) Unwrap() error {
	return c.summaryErr
}

func (c *SiteReplicationSys) toErrorFromErrMap(errMap map[string]error, actionName string) error {
	if len(errMap) == 0 {
		return nil

type Cache[T any] struct {
	// updateFn must return an updated value.
	// If an error is returned the cached value is not set.
	// Only one caller will call this function at any time, others will be blocking.
	// The returned value can no longer be modified once returned.
	// Should be set before calling Get().
	updateFn func() (T, error)

	// ttl for a cached value.
	ttl time.Duration

	opts Opts

var errEtcdUnreachable = errors.New("etcd is unreachable, please check your endpoints")

func etcdErrToErr(err error, etcdEndpoints []string) error {
	if err == nil {
		return nil
	}
	switch err {
	case context.DeadlineExceeded:
		return fmt.Errorf("%w %s", errEtcdUnreachable, etcdEndpoints)
	default:
		return fmt.Errorf("unexpected error %w from etcd, please check your endpoints %s", err, etcdEndpoints)
	}
}

	blob := az.serviceURL.NewContainerURL(az.Bucket).NewBlobURL(az.getDest(object))
	_, err := blob.Delete(ctx, azblob.DeleteSnapshotsOptionNone, azblob.BlobAccessConditions{})
	return azureToObjectError(err, az.Bucket, object)
}

func (az *warmBackendAzure) InUse(ctx context.Context) (bool, error) {
	containerURL := az.serviceURL.NewContainerURL(az.Bucket)

	"github.com/zeebo/xxh3"
)

func gridLogIf(ctx context.Context, err error, errKind ...interface{}) {
	logger.LogIf(ctx, "grid", err, errKind...)
}

func gridLogIfNot(ctx context.Context, err error, ignored ...error) {
	logger.LogIfNot(ctx, "grid", err, ignored...)
}

func gridLogOnceIf(ctx context.Context, err error, id string, errKind ...interface{}) {
	logger.LogOnceIf(ctx, "grid", err, id, errKind...)
}

	if err != nil {
		err = msgp.WrapError(err, "Metrics")
		return
	}
	z.Error, err = dc.ReadString()
	if err != nil {
		err = msgp.WrapError(err, "Error")
		return
	}
	return
}

// EncodeMsg implements msgp.Encodable
func (z *DiskInfo) EncodeMsg(en *msgp.Writer) (err error) {
	// array header, size 18
	err = en.Append(0xdc, 0x0, 0x12)
	if err != nil {
		return
	}

	kubeClientGetPodLimit = 500
)

type ControlPlaneNotFoundError struct {
	Namespace string
}

func (c ControlPlaneNotFoundError) Error() string {
	return fmt.Sprintf("no running Istio pods in %q", c.Namespace)
}

var _ error = ControlPlaneNotFoundError{}

type Options struct {
	// MessageWriter is a writer for displaying messages to users.
	MessageWriter io.Writer

}

// EncodeMsg implements msgp.Encodable
func (z BucketBandwidthReport) EncodeMsg(en *msgp.Writer) (err error) {
	// map header, size 0
	_ = z
	err = en.Append(0x80)
	if err != nil {
		return
	}
	return
}

// MarshalMsg implements msgp.Marshaler
func (z BucketBandwidthReport) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	// map header, size 0
	_ = z
	o = append(o, 0x80)
	return

		}

		actualError := &APIErrorResponse{}
		if err = xml.Unmarshal(actualContent, actualError); err != nil {
			t.Fatal(failTestStr(anonTestStr, "error response failed to parse error XML"))
		}

		if actualError.BucketName != bucketName {
			t.Fatal(failTestStr(anonTestStr, "error response bucket name differs from expected value"))
		}

	log.FindScope("default").SetOutputLevel(log.DebugLevel)
	log.Debug("debug log")
	log.Info("info log")
	log.Warn("warn log")
	log.Error("error log")
	// This will error because stdout cannot sync, but the UDS part should sync
	// Ideally we would fail if the UDS part fails but the error library makes it kind of tricky
	_ = log.Sync()

	// Restore os stdout.
	os.Stdout = stdout
	assert.NoError(t, log.Configure(loggingOptions))