clusterConfigCmd.PersistentFlags().StringVar(&fqdn, "fqdn", "", "Filter clusters by substring of Service FQDN field")
	clusterConfigCmd.PersistentFlags().StringVar(&direction, "direction", "", "Filter clusters by Direction field")
	clusterConfigCmd.PersistentFlags().StringVar(&subset, "subset", "", "Filter clusters by substring of Subset field")

	analysisCmd.PersistentFlags().StringVarP(&msgOutputFormat, "output", "o", formatting.LogFormat,
		fmt.Sprintf("Output format: one of %v", formatting.MsgOutputFormatKeys))
	analysisCmd.PersistentFlags().StringVar(&meshCfgFile, "meshConfigFile", "",
		"Overrides the mesh config values to use for analysis.")
	analysisCmd.PersistentFlags().BoolVarP(&allNamespaces, "all-namespaces", "A", false,
		"Analyze all namespaces")

	mark(*topE)

	// Delete all entries not found.
	for k := range d.Cache {
		if _, ok := found[k]; !ok {
			delete(d.Cache, k)
		}
	}
}

// StringAll returns a detailed string representation of all entries in the cache.
func (d *dataUsageCache) StringAll() string {
	// Remove bloom filter from print.
	s := fmt.Sprintf("info:%+v\n", d.Info)
	for k, v := range d.Cache {
		s += fmt.Sprintf("\t%v: %+v\n", k, v)
	}

		Key   string
		Value string
	}{
		Key:   k,
		Value: v,
	})
}

type xmlKeyEntry struct {
	XMLName xxml.Name
	Value   string `xml:",chardata"`
}

// MarshalXML - StringMap marshals into XML.
func (s *Metadata) MarshalXML(e *xxml.Encoder, start xxml.StartElement) error {
	if s == nil {
		return nil
	}

	if len(s.Items) == 0 {
		return nil
	}