protected AtomicBoolean isInit = new AtomicBoolean(false);

    /**
     * Constructs a new FileSystemClient.
     */
    public FileSystemClient() {
        // Default constructor
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.client.CrawlerClient#doGet(java.lang.String)
     */
    @Override
    public ResponseData doGet(final String uri) {

    /** Properties used for mail processing */
    protected Properties mailProperties = new Properties();

    /**
     * Constructs a new EmlExtractor.
     */
    public EmlExtractor() {
        // Default constructor
    }

    /* (non-Javadoc)
     * @see org.codelibs.robot.extractor.Extractor#getText(java.io.InputStream, java.util.Map)
     */
    @Override

    protected int[] notModifiedHttpCodes;

    /**
     * Constructs a new DefaultResponseProcessor.
     */
    public DefaultResponseProcessor() {
        // Default constructor
    }

    /**
     * Processes response data based on HTTP status code and configured transformer.
     *
     * @param responseData the response data to process
     */
    @Override

 * It includes methods for creating, refreshing, and switching indices, as well as for
 * retrieving popular words and indexing suggestions.
 *
 * <p>Constructor:
 * <ul>
 *   <li>{@link #Suggester(Client, SuggestSettings, ReadingConverter, ReadingConverter, Normalizer, SuggestAnalyzer, ExecutorService)}: Initializes a new instance of the Suggester class.</li>
 * </ul>
 *

 * examples below illustrate the resulting URLs when this second contructor
 * argument is used.
 *
 * <table border="1">
 * <caption>Examples Of SMB URLs When Augmented With A Second Constructor Parameter</caption>
 * <tr>
 * <td colspan="3">
 * <b>Examples Of SMB URLs When Augmented With A Second Constructor Parameter</b></td>
 * <tr><td >

/**
 * A database of public suffixes provided by [publicsuffix.org][publicsuffix_org].
 *
 * [publicsuffix_org]: https://publicsuffix.org/
 */
class PublicSuffixDatabase internal constructor(
  private val publicSuffixList: PublicSuffixList,
) {
  /**
   * Returns the effective top-level domain plus one (eTLD+1) by referencing the public suffix list.

    private char safeMin = Character.MIN_VALUE;
    private char safeMax = Character.MAX_VALUE;
    private @Nullable String unsafeReplacement = null;

    // The constructor is exposed via the builder() method above.
    private Builder() {}

    /**
     * Sets the safe range of characters for the escaper. Characters in this range that have no

        transaction = new TestSmbComTransaction(mockConfig, SmbComTransaction.SMB_COM_TRANSACTION, SmbComTransaction.TRANS2_FIND_FIRST2);
    }

    @Test
    @DisplayName("Test constructor initialization")
    void testConstructor() {
        // Verify command and subcommand are set correctly
        assertEquals(SmbComTransaction.SMB_COM_TRANSACTION, transaction.getCommand());

 * </p>
 */
public class CharMappingService {

    /**
     * Creates a new instance of CharMappingService.
     */
    public CharMappingService() {
        // Default constructor
    }

    /**
     * Dictionary manager for accessing and managing dictionary files.
     */
    @Resource
    protected DictionaryManager dictionaryManager;

    /**
     * Fess configuration settings.

     * The temporary directory used by Curl. It is initialized to the system's temporary directory.
     */
    public static final File tmpDir = new File(System.getProperty("java.io.tmpdir"));

    /**
     * Private constructor to prevent instantiation.
     */
    protected Curl() {
        // nothing
    }

    /**
     * Creates a new CurlRequest with the HTTP GET method for the specified URL.
     *