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) {

    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);

    /**
     * OS Family
     */

                    .collect(Collectors.toUnmodifiableMap(t -> t.id().toLowerCase(Locale.ROOT), t -> t));
        }

        @Override
        public Optional<T> lookup(String id) {
            return Optional.ofNullable(values.get(nonNull(id, "id").toLowerCase(Locale.ROOT)));
        }
    }

            .withBinding("languageLC", descriptor.language.getName().toLowerCase())
            .withBinding("languageExtension", descriptor.language.extension)
            .withBinding("languageIndex", "" + (languages.indexOf(descriptor.language) + 1))
            .withBinding("componentType", descriptor.componentType.name.toLowerCase())
            .withBinding("componentTypeIndex", "" + (descriptor.componentType.ordinal + 1))

    protected String name;

    public String getName() {
        if (name == null) {
            name = StringUtil.decamelize(this.getClass().getSimpleName().replace("Searcher", StringUtil.EMPTY)).toLowerCase(Locale.ENGLISH);
        }
        return name;
    }

    protected abstract SearchResult search(String query, SearchRequestParams params, OptionalThing<FessUserBean> userBean);

required: - prefix - required: - regex properties: exact: type: string prefix: type: string regex: description: RE2 style regex-based match (https://github.com/google/re2/wiki/Syntax). type: string type: object description: The header keys must be lowercase and use hyphen as the separator, e.g. type: object ignoreUriCase: description: Flag to specify whether the URI matching should be case-insensitive. type: boolean method: description: 'HTTP Method values are case-sensitive and formatted as follows:...

            if (StringUtil.isNotBlank(language)) {
                if (StringUtil.isNotBlank(country)) {
                    return language.toLowerCase(Locale.ROOT) + "-" + country.toLowerCase(Locale.ROOT);
                }
                return language.toLowerCase(Locale.ROOT);
            }
            return null;
        }).toArray(n -> new String[n]));
    }

  @JvmField val name: ByteString,
  /** Value in UTF-8 encoding. */
  @JvmField val value: ByteString,
) {
  @JvmField val hpackSize = 32 + name.size + value.size

  // TODO: search for toLowerCase and consider moving logic here.
  constructor(name: String, value: String) : this(name.encodeUtf8(), value.encodeUtf8())

  constructor(name: ByteString, value: String) : this(name, value.encodeUtf8())

        String commitId = BuildEnvironmentKt.getBuildEnvironmentExtension(project).getGitCommitId().get();
        if (commitId.isBlank() || commitId.toLowerCase().contains("unknown")) {
            // we can't figure out the commit ID (probably this is a source distribution build), let's skip adding source links
            return;
        }

                builder.field(CLUSTER_NAME, response.getClusterName());
            }
            if (fieldSet.contains(STATUS)) {
                builder.field(STATUS, response.getStatus().name().toLowerCase(Locale.ROOT));
            }
            if (fieldSet.contains(TIMED_OUT)) {
                builder.field(TIMED_OUT, response.isTimedOut());
            }
            if (fieldSet.contains(NUMBER_OF_NODES)) {