}

	// spec: "It is illegal to define a label that is never used."
	for name, obj := range all.elems {
		obj = resolve(name, obj)
		if lbl := obj.(*Label); !lbl.used {
			check.softErrorf(lbl, UnusedLabel, "label %s declared and not used", lbl.name)
		}
	}
}

// A block tracks label declarations in a block and its enclosing blocks.
type block struct {
	parent *block                      // enclosing block

	}

	// spec: "It is illegal to define a label that is never used."
	for name, obj := range all.elems {
		obj = resolve(name, obj)
		if lbl := obj.(*Label); !lbl.used {
			check.softErrorf(lbl.pos, UnusedLabel, "label %s declared and not used", lbl.name)
		}
	}
}

// A block tracks label declarations in a block and its enclosing blocks.
type block struct {

	Typ                // type
	Var                // variable
	Fun                // function or method
	Lbl                // label
)

var objKindStrings = [...]string{
	Bad: "bad",
	Pkg: "package",
	Con: "const",
	Typ: "type",
	Var: "var",
	Fun: "func",
	Lbl: "label",
}

	histBytes  metrics.Histogram
}

func newInQueueStats(r metrics.Registry, lbl string) InQueueStats {
	histCounts := metrics.NewHistogram(metrics.NewUniformSample(100))
	histBytes := metrics.NewHistogram(metrics.NewUniformSample(100))

	r.Register("replication.queue.counts."+lbl, histCounts)
	r.Register("replication.queue.bytes."+lbl, histBytes)

	return InQueueStats{
		histCounts: histCounts,
		histBytes:  histBytes,

		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)
		if injectEnabled, err := strconv.ParseBool(val); err == nil {

	})

	if n <= len(p) {
		ok = true
		r, lbl := p, labels

		// Save current goroutine.
		sp := getcallersp()
		pc := getcallerpc()
		systemstack(func() {
			saveg(pc, sp, gp, &r[0], pcbuf)
		})
		r = r[1:]

		// If we have a place to put our goroutine labelmap, insert it there.
		if labels != nil {
			lbl[0] = gp.labels
			lbl = lbl[1:]
		}

		// Save other goroutines.

	var useDefault bool
	var inject bool

	objectSelector := annos[annotation.SidecarInject.Name]
	if lbl, labelPresent := metadata.GetLabels()[label.SidecarInject.Name]; labelPresent {
		// The label is the new API; if both are present we prefer the label
		objectSelector = lbl
	}
	switch strings.ToLower(objectSelector) {
	// http://yaml.org/type/bool.html
	case "y", "yes", "true", "on":
		inject = true

Proxy logs can be filtered using:
  --include|--exclude ns1,ns2.../dep1,dep2.../pod1,pod2.../lbl1=val1,lbl2=val2.../ann1=val1,ann2=val2.../cntr1,cntr...
where ns=namespace, dep=deployment, lbl=label, ann=annotation, cntr=container

The filter spec is interpreted as 'must be in (ns1 OR ns2) AND (dep1 OR dep2) AND (cntr1 OR cntr2)...'

		"p":   ast.Bad, // not in a scope
		"fmt": ast.Bad, // not resolved yet
		"pi":  ast.Con,
		"T":   ast.Typ,
		"x":   ast.Var,
		"int": ast.Bad, // not resolved yet
		"f":   ast.Fun,
		"L":   ast.Lbl,
	}

	ast.Inspect(f, func(n ast.Node) bool {
		if ident, ok := n.(*ast.Ident); ok {
			obj := ident.Obj
			if obj == nil {
				if objects[ident.Name] != ast.Bad {

			1: "spfx",
			3: "ssfx",
		}
		for pi, poolsMatch := range poolsMatches {
			// Replace the server prefix/suffix with anonymized ones
			for idx, lbl := range idxMap {
				if len(poolsMatch[idx]) > 0 {
					poolsMatch[idx] = fmt.Sprintf("%s%d", lbl, crc32.ChecksumIEEE([]byte(poolsMatch[idx])))
				}
			}

			// Remove the original pools args present at index 0