func CompareString2(s string) bool {
	// amd64:`CMPL\t\(.*\), [$]`
	// arm64:`MOVWU\t\(.*\), [R]`,`CMPW\t.*, [R]`
	// ppc64le:`MOVWZ\t\(.*\), [R]`,`CMPW\t.*, [R]`
	// s390x:`MOVWBR\t\(.*\), [R]`,`CMPW\t.*, [$]`
	return s == "xxxx"
}

func CompareString3(s string) bool {
	// amd64:`CMPQ\t\(.*\), [A-Z]`
	// arm64:-`CMPW\t`
	// ppc64x:-`CMPW\t`
	// s390x:-`CMPW\t`
	return s == "xxxxxxxx"
}

                    return new SampleElements<>(
                        mapEntry("x", 1),
                        mapEntry("xxx", 3),
                        mapEntry("xx", 2),
                        mapEntry("xxxx", 4),
                        mapEntry("aaaaa", 5));
                  }

                  @Override
                  public Map<String, Integer> create(Object... elements) {

#
# Vars set:
#   KUBE_TEMP
kube::util::ensure-temp-dir() {
  if [[ -z ${KUBE_TEMP-} ]]; then
    KUBE_TEMP=$(mktemp -d 2>/dev/null || mktemp -d -t kubernetes.XXXXXX)
    kube::util::trap_add kube::util::cleanup-temp-dir EXIT
  fi
}

kube::util::host_os() {
  local host_os
  case "$(uname -s)" in
    Darwin)
      host_os=darwin
      ;;
    Linux)

		// of the Go toolchain may have arbitrary development changes on top of the
		// commit reported by runtime.Version, or could be completely artificial due
		// to lacking a `git` binary (like "devel gomote.XXXXX", as synthesized by
		// "gomote push" as of 2022-06-15). (Release builds shouldn't have
		// modifications, but we don't want to use a behavior for releases that we
		// haven't tested during development.)

				{
					EvalResult: celtypes.False,
				},
			},
			authorizer: newAuthzAllowMatch(authorizer.AttributesRecord{
				ResourceRequest: true,
				APIGroup:        "apps",
				Resource:        "deployments-xxxx",
				Subresource:     "status",
				Namespace:       "test",
				Name:            "backend",
				Verb:            "create",
				APIVersion:      "*",
			}),
		},
		{
			name: "test authorizer reason",

# Use to increase verbosity on particular files, e.g. LOG_SPEC=token_controller*=5,other_controller*=4
LOG_SPEC=${LOG_SPEC:-""}
LOG_DIR=${LOG_DIR:-"/tmp"}
TMP_DIR=${TMP_DIR:-$(kube::realpath "$(mktemp -d -t "$(basename "$0").XXXXXX")")}
CONTAINER_RUNTIME_ENDPOINT=${CONTAINER_RUNTIME_ENDPOINT:-"unix:///run/containerd/containerd.sock"}
RUNTIME_REQUEST_TIMEOUT=${RUNTIME_REQUEST_TIMEOUT:-"2m"}
IMAGE_SERVICE_ENDPOINT=${IMAGE_SERVICE_ENDPOINT:-""}

	b.StartTimer()
	for i := 0; i < b.N; i++ {
		if !re.MatchString(x) {
			b.Fatalf("no match!")
		}
	}
}

func BenchmarkMatchClass(b *testing.B) {
	b.StopTimer()
	x := strings.Repeat("xxxx", 20) + "w"
	re := MustCompile("[abcdw]")
	b.StartTimer()
	for i := 0; i < b.N; i++ {
		if !re.MatchString(x) {
			b.Fatalf("no match!")
		}
	}
}

func BenchmarkMatchClass_InRange(b *testing.B) {

// the k8s plugin suffix of original mount path.
func HasMountRefs(mountPath string, mountRefs []string) bool {
	// A mountPath typically is like
	//   /var/lib/kubelet/plugins/kubernetes.io/some-plugin/mounts/volume-XXXX
	// Mount refs can look like
	//   /home/somewhere/var/lib/kubelet/plugins/kubernetes.io/some-plugin/...
	// but if /var/lib/kubelet is mounted to a different device a ref might be like

		},
		{
			name: "nil User",
			url: &URL{
				Scheme: "http",
				Host:   "host.tld",
				Path:   "this:that",
				User:   UserPassword("", "password"),
			},
			want: "http://:xxxxx@host.tld/this:that",
		},
		{
			name: "blank Username, blank Password",
			url: &URL{
				Scheme: "http",
				Host:   "host.tld",
				Path:   "this:that",
			},
			want: "http://host.tld/this:that",

function append_or_replace_prefixed_line {
  local -r file="${1:-}"
  local -r prefix="${2:-}"
  local -r suffix="${3:-}"
  local -r dirname=$(dirname "${file}")
  local -r tmpfile=$(mktemp "${dirname}/filtered.XXXX")

  touch "${file}"
  awk -v pfx="${prefix}" 'substr($0,1,length(pfx)) != pfx { print }' "${file}" > "${tmpfile}"
  echo "${prefix}${suffix}" >> "${tmpfile}"
  mv "${tmpfile}" "${file}"
}