type traceWriter struct {
	traceLocker
	*traceBuf
}

// write returns an a traceWriter that writes into the current M's stream.
func (tl traceLocker) writer() traceWriter {
	return traceWriter{traceLocker: tl, traceBuf: tl.mp.trace.buf[tl.gen%2]}
}

// unsafeTraceWriter produces a traceWriter that doesn't lock the trace.
//
// It should only be used in contexts where either:

		out, _ := exec.Command("oslevel", "-s").Output()
		if len(out) >= len("7200-XX-ZZ-YYMM") { // AIX 7.2, Tech Level XX, Service Pack ZZ, date YYMM
			aixVer := string(out[:4])
			tl, _ := strconv.Atoi(string(out[5:7]))
			unixEnabledOnAIX = aixVer > "7200" || (aixVer == "7200" && tl >= 2)
		}
	}
}

// testableNetwork reports whether network is testable on the current
// platform configuration.
func testableNetwork(network string) bool {

			// we would still want to do a goroutine-level sleep in between
			// reads to avoid frequent wakeups.
			trace.cpuSleep.sleep(100_000_000)

			tl := traceAcquire()
			if !tl.ok() {
				// Tracing disabled.
				break
			}
			keepGoing := traceReadCPU(tl.gen)
			traceRelease(tl)
			if !keepGoing {
				break
			}
		}
		done <- struct{}{}
	}()
	trace.cpuLogDone = done
}

		return an.(string)
	}
	return ""
}

// Returns the Azure tags
func (e *azureEnv) azureTags() map[string]string {
	tags := map[string]string{}
	if tl, ok := e.computeMetadata["tagsList"]; ok {
		tlByte, err := json.Marshal(tl)
		if err != nil {
			return tags
		}
		var atl []azureTag
		err = json.Unmarshal(tlByte, &atl)
		if err != nil {
			return tags
		}
		for _, tag := range atl {

		}
		aixVer := string(out[:4])
		tl, err := strconv.Atoi(string(out[5:7]))
		if err != nil {
			t.Skipf("skipping on AIX because oslevel -s output cannot be parsed: %v", err)
		}
		if aixVer < "7200" || (aixVer == "7200" && tl < 2) {
			t.Skip("skipped on AIX versions previous to 7.2 TL 2")
		}

	}

	tempDir := t.TempDir()

		out, _ := exec.Command("oslevel", "-s").Output()
		if len(out) >= len("7200-XX-ZZ-YYMM") { // AIX 7.2, Tech Level XX, Service Pack ZZ, date YYMM
			ver := string(out[:4])
			tl, _ := strconv.Atoi(string(out[5:7]))
			unStrmDgramEnabled = ver > "7200" || (ver == "7200" && tl >= 2)
		}
	default:
		unStrmDgramEnabled = true
	}
}

func unixStrmDgramEnabled() bool {
	stackOnce.Do(probeStack)
	return unStrmDgramEnabled
}

				if cluster == nil {
					t.Fatal("cluster not found")
				}
				cluster.GetTransportSocket().GetTypedConfig()
				tl := xdstest.UnmarshalAny[tls.UpstreamTlsContext](t, cluster.GetTransportSocket().GetTypedConfig())
				names := sets.New[string]()
				// nolint: staticcheck
				for _, n := range tl.GetCommonTlsContext().GetCombinedValidationContext().GetDefaultValidationContext().GetMatchSubjectAltNames() {
					names.Insert(n.GetExact())

so: Soomaaliga
sq: shqip
sr: српски језик
ss: SiSwati
st: Sesotho
su: Basa Sunda
sv: svenska
sw: Kiswahili
ta: தமிழ்
te: తెలుగు
tg: тоҷикӣ
th: ไทย
ti: ትግርኛ
tk: Türkmen
tl: Wikang Tagalog
tn: Setswana
to: faka Tonga
tr: Türkçe
ts: Xitsonga
tt: татар теле
tw: Twi
ty: Reo Tahiti
ug: ئۇيغۇرچە‎
uk: українська мова
ur: اردو
uz: Ўзбек
ve: Tshivenḓa

    private final ExcludeFactory factory = new OptimizingExcludeFactory(// optimizes for nulls, 2-params, ... mandatory
        new CachingExcludeFactory(// caches the result of TL operations
            LoggingExcludeFactory.maybeLog(new NormalizingExcludeFactory(// performs algebra
                new CachingExcludeFactory(// caches the result of optimization operations