*/
    public static final String OS_NAME = System.getProperty("os.name").toLowerCase(Locale.ENGLISH);

    /**
     * The OA architecture.
     */
    public static final String OS_ARCH = System.getProperty("os.arch").toLowerCase(Locale.ENGLISH);

    /**
     * The OS version.
     */
    public static final String OS_VERSION = System.getProperty("os.version").toLowerCase(Locale.ENGLISH);

    /**

                        .arch(settingsOs.getArch())
                        .family(settingsOs.getFamily())
                        .name(settingsOs.getName())
                        .version(settingsOs.getVersion())
                        .location("arch", toLocation(settingsOs.getLocation("arch")))
                        .location("family", toLocation(settingsOs.getLocation("family")))

                .value("value" + Long.toHexString(entropy.nextLong()))
                .build();
        ActivationOS ao = ActivationOS.newBuilder()
                .arch("arch" + Long.toHexString(entropy.nextLong()))
                .family("family" + Long.toHexString(entropy.nextLong()))
                .name("name" + Long.toHexString(entropy.nextLong()))

        boolean active = ensureAtLeastOneNonNull(os);

        String actualOsName = context.getSystemProperties().get("os.name").toLowerCase(Locale.ENGLISH);
        String actualOsArch = context.getSystemProperties().get("os.arch").toLowerCase(Locale.ENGLISH);
        String actualOsVersion = context.getSystemProperties().get("os.version").toLowerCase(Locale.ENGLISH);

        if (active && os.getFamily() != null) {

       * which will have an efficient native implementation in JDK 9.
       *
       */
      String arch = System.getProperty("os.arch");
      if ("amd64".equals(arch)) {
        theGetter =
            ByteOrder.nativeOrder().equals(ByteOrder.LITTLE_ENDIAN)
                ? UnsafeByteArray.UNSAFE_LITTLE_ENDIAN

    private static final String[] bugReportLabels =
            { "file.separator", "file.encoding", "java.runtime.version", "java.vm.info", "java.vm.name", "java.vm.vendor",
                    "java.vm.version", "os.arch", "os.name", "os.version", "user.country", "user.language", "user.timezone" };

    // ===================================================================================

      static {
        // fall back to the safer pure java implementation unless we're in
        // a 64-bit JVM with an 8-byte aligned field offset.
        if (!("64".equals(System.getProperty("sun.arch.data.model"))
            && (BYTE_ARRAY_BASE_OFFSET % 8) == 0
            // sanity check - this should never fail
            && theUnsafe.arrayIndexScale(byte[].class) == 1)) {

   */
  public static final String SEC_CH_UA = "Sec-CH-UA";
  /**
   * The HTTP <a href="https://wicg.github.io/ua-client-hints/#sec-ch-ua-arch">{@code
   * Sec-CH-UA-Arch}</a> header field name.
   *
   * @since 30.0
   */
  public static final String SEC_CH_UA_ARCH = "Sec-CH-UA-Arch";
  /**
   * The HTTP <a href="https://wicg.github.io/ua-client-hints/#sec-ch-ua-model">{@code
   * Sec-CH-UA-Model}</a> header field name.

        }

        @Override
        protected ActivationOS.Builder transformActivationOS_Arch(
                Supplier<? extends ActivationOS.Builder> creator, ActivationOS.Builder builder, ActivationOS target) {
            stk.push(nextFrame("arch"));
            try {
                return super.transformActivationOS_Arch(creator, builder, target);
            } finally {
                stk.pop();
            }

  public SampleElements<Entry<String, String>> samples() {
    return new SampleElements<>(
        Helpers.mapEntry("one", "January"),
        Helpers.mapEntry("two", "February"),
        Helpers.mapEntry("three", "March"),
        Helpers.mapEntry("four", "April"),
        Helpers.mapEntry("five", "May"));
  }

  @Override
  public SampleElements<String> sampleKeys() {