var err error
	if cfg != nil {
		certs := []string{}
		endpoints := []string{}
		for _, pemCert := range cfg.GetCaCertificates() {
			cert := pemCert.GetPem()
			if cert != "" {
				certs = append(certs, cert)
			} else if pemCert.GetSpiffeBundleUrl() != "" {
				endpoints = append(endpoints, pemCert.GetSpiffeBundleUrl())
			}
		}

	r.mutex.Lock()
	for _, pemCert := range caCertificates {
		// TODO:  take care of spiffe bundle format as well
		cert := pemCert.GetPem()
		certSigners := pemCert.CertSigners
		if len(certSigners) != 0 {
			certSigner := strings.Join(certSigners, ",")
			if cert != "" {
				r.caCertificatesFromMeshConfig[certSigner] = cert
			}
		}
	}

        }
    }

    private void appendJvmStats(final StringBuilder buf) {
        buf.append("\"jvm\":{");
        final JvmStats jvmStats = JvmStats.jvmStats();
        final Mem mem = jvmStats.getMem();
        buf.append("\"memory\":{");
        buf.append("\"heap\":{");
        append(buf, "used", () -> mem.getHeapUsed().getBytes()).append(',');

        }).toArray(n -> new FsObj[n]);
    }

    private JvmObj getJvmObj() {
        final JvmObj jvmObj = new JvmObj();
        final JvmStats jvmStats = JvmStats.jvmStats();
        final Mem mem = jvmStats.getMem();
        final JvmMemoryObj jvmMemoryObj = new JvmMemoryObj();
        jvmObj.memory = jvmMemoryObj;
        final JvmMemoryHeapObj jvmMemoryHeapObj = new JvmMemoryHeapObj();
        jvmMemoryObj.heap = jvmMemoryHeapObj;

su.&htua,spif-htua,?ue.htua,??3-ts&aeht&ron-pa.htua,uos-pa.htua,?ew-ue.htua,??tadym,??p&2pevres,aelutym,i&-sndnyd,fles,ogol,ruoy&esol,hctid,?ym&eerf,teg,??ohsdaerpsym,pa&-&cilcyc,rettalp,?anis:piv,,esaberif,k1,lortnocduolc,nuspu,oifilauq,r&aegyks,oetem:.ue,,?t&ilmaerts,norfegap,?ukoreh,?t&fevres,thevres,??r&081,a:-morf,tskcor-a-si,,b,e&d&iv&erp-yb-detsoh.saap,orpnwo,?ner&.ppa,no,??e&bevres,nigne-na-si,?ggolb-a-si,h&caet-a-si,pargotohp-a-si,?krow-drah-a-si,n&gised-a-si,ia&rtlanosrep-a-si,tretne-n...

su.&htua,spif-htua,?ue.htua,??3-ts&aeht&ron-pa.htua,uos-pa.htua,?ew-ue.htua,??tadym,??p&2pevres,aelutym,i&-sndnyd,fles,ogol,ruoy&esol,hctid,?ym&eerf,teg,??ohsdaerpsym,pa&-&cilcyc,rettalp,?anis:piv,,esaberif,k1,lortnocduolc,nuspu,oifilauq,r&aegyks,oetem:.ue,,?t&ilmaerts,norfegap,?ukoreh,?t&fevres,thevres,??r&081,a:-morf,tskcor-a-si,,b,e&d&iv&erp-yb-detsoh.saap,orpnwo,?ner&.ppa,no,??e&bevres,nigne-na-si,?ggolb-a-si,h&caet-a-si,pargotohp-a-si,?krow-drah-a-si,n&gised-a-si,ia&rtlanosrep-a-si,tretne-n...