// a srv.Target domain name.  Normally we convert the full Key where
	// the record lives to a DNS name and use this as the srv.Target. When
	// TargetStrip > 0 we strip the left most TargetStrip labels from the
	// DNS name.
	TargetStrip int `json:"targetstrip,omitempty"`

	// Group is used to group (or *not* to group) different services
	// together. Services with an identical Group are returned in
	// the same answer.

	if bh == nil {
		return
	}

	if w != nil {
		// Increment the prometheus http request response histogram with API, Bucket
		bucketHTTPRequestsDuration.With(prometheus.Labels{
			"api":    api,
			"bucket": bucket,
		}).Observe(w.TimeToFirstByte.Seconds())
	}

	bh.Lock()
	defer bh.Unlock()

	hstats, ok := bh.httpStats[bucket]
	if !ok {

			Type:        "string",
		},
		config.HelpKV{
			Key:         ExcessVersions,
			Description: `alert per object beyond this many versions` + defaultHelpPostfix(ExcessVersions),
			Optional:    true,
			Type:        "int",
		},
		config.HelpKV{
			Key:         ExcessFolders,
			Description: `alert beyond this many sub-folders per folder in an erasure set` + defaultHelpPostfix(ExcessFolders),
			Optional:    true,

	// of buckets is not known until the request is made. So we keep a separate
	// map for bucket metrics and handle them specially.

	// Add the serverName and poolIndex labels to all non-cluster metrics.
	//
	// Also create metric group maps and set the cache.
	metricsCache := newMetricsCache()
	mgMap := make(map[collectorPath]*MetricsGroup)

		b = ""
	}
	if len(b) > 0 && !strings.HasSuffix(b, slashSeparator) {
		b += slashSeparator
	}
	return b
}

// update cache with new status.
// The updates are conditional so multiple callers can update with different states.
func (m *metacache) update(update metacache) {
	m.lastUpdate = UTCNow()

	if m.lastHandout.After(m.lastHandout) {
		m.lastHandout = UTCNow()
	}

	pkgversion "istio.io/istio/operator/pkg/version"
	operatorVer "istio.io/istio/operator/version"
	"istio.io/istio/pkg/art"
	"istio.io/istio/pkg/config/constants"
	"istio.io/istio/pkg/config/labels"
	"istio.io/istio/pkg/kube"
)

type InstallArgs struct {
	// InFilenames is an array of paths to the input IstioOperator CR files.
	InFilenames []string

		log.Infof("excluded %s/%s pod because it has proxy type %s", podNamespace, podName, pi.ProxyType)
		return nil
	}

	val := pi.Annotations[injectAnnotationKey]
	if lbl, labelPresent := pi.Labels[label.SidecarInject.Name]; labelPresent {
		// The label is the new API; if both are present we prefer the label
		val = lbl
	}
	if val != "" {
		log.Debugf("contains inject annotation: %s", val)

		}
		nextFiles = next
	}

	for _, c := range contexts {
		c.Compiler = build.Default.Compiler
	}

	walkers := make([]*Walker, len(contexts))
	var wg sync.WaitGroup
	for i, context := range contexts {
		i, context := i, context
		wg.Add(1)
		go func() {
			defer wg.Done()
			walkers[i] = NewWalker(context, filepath.Join(testenv.GOROOT(t), "src"))
		}()
	}
	wg.Wait()

	Description     string `json:"description,omitempty"`
	OutputLevel     string `json:"output_level,omitempty"`
	StackTraceLevel string `json:"stack_trace_level,omitempty"`
	LogCallers      bool   `json:"log_callers,omitempty"`
}

type ScopeLevelPair struct {
	scope    string
	logLevel string
}

type scopeStackTraceLevelPair ScopeLevelPair

	PreserveETag                        string    // preserves this etag during a PUT call.
	NoLock                              bool      // indicates to lower layers if the caller is expecting to hold locks.
	ProxyRequest                        bool      // only set for GET/HEAD in active-active replication scenario