return uint32(h >> 32)
}

// tail returns the tail of a headTailIndex value.
func (h headTailIndex) tail() uint32 {
	return uint32(h)
}

// split splits the headTailIndex value into its parts.
func (h headTailIndex) split() (head uint32, tail uint32) {
	return h.head(), h.tail()
}

// atomicHeadTailIndex is an atomically-accessed headTailIndex.
type atomicHeadTailIndex struct {
	u atomic.Uint64

		},
		{ // clusters invalid
			args:           strings.Split("clusters invalid", " "),
			expectedString: "unable to retrieve Pod: pods \"invalid\" not found",
			wantException:  true, // "istioctl proxy-config clusters invalid" should fail
		},
		{ // listeners invalid
			args:           strings.Split("listeners invalid", " "),
			expectedString: "unable to retrieve Pod: pods \"invalid\" not found",

  %0:2 = "tfl.split"(%cst, %arg0) {num_splits = 2 : i32} : (tensor<i32>, tensor<4xf32>) -> (tensor<2xf32>, tensor<2xf32>)
    loc(fused["skip1.cc":10:8, "op", callsite("skip2" at "skip3.cc":10:8)])
  func.return %0#0, %0#1 : tensor<2xf32>, tensor<2xf32>

// CHECK-NEXT: %[[split:.*]]:2 = "tfl.split"
// CHECK-NEXT: %[[stats1:.*]] = "quantfork.stats"(%[[split]]#0) <{layerStats = dense<[-1.000000e+00, 1.000000e+00]>

	}, corev1.SecretTypeTLS)
	tlsMtlsCertSplit = makeSecret("tls-mtls-split", map[string]string{
		TLSSecretCert: "tls-mtls-split-cert", TLSSecretKey: "tls-mtls-split-key",
	}, corev1.SecretTypeTLS)
	tlsMtlsCertSplitCa = makeSecret("tls-mtls-split-cacert", map[string]string{
		TLSSecretCaCert: "tls-mtls-split-ca",
	}, corev1.SecretTypeTLS)
	tlsMtlsCertSplitCaWithCrl = makeSecret("tls-mtls-split-crl-cacert", map[string]string{

	for _, tt := range splittests {
		a := SplitN(tt.s, tt.sep, tt.n)
		if !eq(a, tt.a) {
			t.Errorf("Split(%q, %q, %d) = %v; want %v", tt.s, tt.sep, tt.n, a, tt.a)
			continue
		}
		if tt.n == 0 {
			continue
		}
		s := Join(a, tt.sep)
		if s != tt.s {
			t.Errorf("Join(Split(%q, %q, %d), %q) = %q", tt.s, tt.sep, tt.n, tt.sep, s)
		}
		if tt.n < 0 {
			b := Split(tt.s, tt.sep)
			if !reflect.DeepEqual(a, b) {

        if (params == null) {
            params = split(getCrawlerMetadataNameMapping(), "\n").get(stream -> stream.filter(StringUtil::isNotBlank).map(v -> {
                final String[] values = v.split("=");
                if (values.length == 2) {
                    final String[] subValues = values[1].split(":", 3);
                    if (subValues.length == 3) {

func ValidateWildcardDomain(domain string) error {
	if err := CheckDNS1123Preconditions(domain); err != nil {
		return err
	}
	// We only allow wildcards in the first label; split off the first label (parts[0]) from the rest of the host (parts[1])
	parts := strings.SplitN(domain, ".", 2)
	if !labels.IsWildcardDNS1123Label(parts[0]) {
		return fmt.Errorf("domain name %q invalid (label %q invalid)", domain, parts[0])
	} else if len(parts) > 1 {

			}
			return nil, fmt.Errorf("preprocessed profile entry missing weight")
		}
		readStr = scanner.Text()

		split := strings.Split(readStr, " ")

		if len(split) != 2 {
			return nil, fmt.Errorf("preprocessed profile entry got %v want 2 fields", split)
		}

		co, err := strconv.Atoi(split[0])
		if err != nil {
			return nil, fmt.Errorf("preprocessed profile error processing call line: %w", err)
		}

			args:             strings.Split("--generation=2 --timeout=20ms virtual-service foo.default", " "),
			wantException:    true,
		},
		{
			execClientConfig: cannedResponseMap,
			args:             strings.Split("--generation=1 virtual-service foo.default", " "),
			wantException:    false,
		},
		{
			execClientConfig: cannedResponseMap,
			args:             strings.Split("--generation=1 VirtualService foo.default", " "),

	rm := make(map[string]string)
	if len(rs) == 0 {
		return rm
	}
	for _, r := range strings.Split(rs, ",") {
		split := strings.Split(r, ":")
		if len(split) < 4 {
			rm[r] = ""
			continue
		}
		kind, namespace, name, path := split[0], split[1], split[2], split[3]
		obj := fmt.Sprintf("%v:%v:%v", kind, namespace, name)
		rm[obj] = path
	}
	return rm
}