*
     * @param type1 The Type-1 message which this represents a response to.
     */
    public Type2Message(final Type1Message type1) {
        this(type1, null, null);
    }

    /**
     * Creates a Type-2 message in response to the given Type-1 message.
     *
     * @param type1 The Type-1 message which this represents a response to.

     *
     * @param node the XML node to write
     * @param writer the writer to write to
     * @throws IOException if there is an error writing the XML
     */
    protected abstract void doWrite(XmlNode node, Writer writer) throws IOException;

    /**
     * Implementation method for merging two XML nodes.
     *
     * @param dominant the dominant (higher priority) XML node

    /** Total document number. */
    protected final long totalDocNum;

    /**
     * Constructor for ESSourceReader.
     * @param client The OpenSearch client.
     * @param settings The SuggestSettings instance.
     * @param indexName The name of the index to read from.
     */
    public ESSourceReader(final Client client, final SuggestSettings settings, final String indexName) {

     * potential NTLM fallback (if the server does not support kerberos).
     *
     * @param subject
     *            represents the user who perform Kerberos authentication. Should at least contain a TGT for the user.
     * @param domain
     *            domain for NTLM fallback
     * @param username
     *            user for NTLM fallback
     * @param password
     *            password for NTLM fallback
     */

            }
        }
        return null;
    }

    /**
     * Gets a DFS referral for the specified path
     * @param trans the SMB transport to use
     * @param domain the domain name
     * @param root the DFS root
     * @param path the path to resolve
     * @param auth the authentication credentials
     * @return a DFS referral or null if not found
     * @throws SmbAuthException if authentication fails

    /**
     * Adds an elevate word to the suggest index.
     *
     * @param word        The elevate word.
     * @param reading     The reading of the word.
     * @param tags        The tags associated with the word.
     * @param permissions The permissions for the word.
     * @param boost       The boost value for the word.
     * @param apply       true to apply the changes immediately.
     */

    List<CharMappingItem> mappingItemList;

    /**
     * Constructs a new CharMappingFile instance.
     *
     * @param id the unique identifier for this mapping file
     * @param path the file path to the character mapping dictionary
     * @param timestamp the last modification timestamp of the file
     */
    public CharMappingFile(final String id, final String path, final Date timestamp) {

        return crawlerContext;
    }

    /**
     * Sets the number of threads.
     * @param numOfThread The number of threads.
     */
    public void setNumOfThread(final int numOfThread) {
        crawlerContext.numOfThread = numOfThread;
    }

    /**
     * Sets the maximum thread check count.
     * @param maxThreadCheckCount The maximum thread check count.
     */

     *
     * @param key the property key
     * @return map containing the key-value pair
     */
    protected static Map<String, String> createPropItem(final String key) {
        return createItem(key, System.getProperty(key));
    }

    /**
     * Creates a key-value item map for display.
     *
     * @param label the item label
     * @param value the item value

     * This method implements the Microsoft variant of the Kerberos ARCFOUR-HMAC-MD5 checksum.
     *
     * @param keyusage the Kerberos key usage number for this operation
     * @param key the encryption key to use for MAC calculation
     * @param data the data to calculate the MAC for
     * @return the calculated MAC bytes
     * @throws GeneralSecurityException if cryptographic operations fail
     */