return inputStream.read(b, off, len);
    }

    /**
     * Reads some number of bytes from the input stream and stores them into the buffer array b.
     *
     * @param b the buffer into which the data is read
     * @return the total number of bytes read into the buffer, or -1 if there is no more data
     * @throws IOException if an I/O error occurs
     */
    @Override

                    fieldName = null;
                }
                buffer.setLength(0);
            } else if ("list".equals(qName)) {
                if (fieldName != null && !dataMap.containsKey(fieldName)) {
                    dataMap.put(fieldName, new ArrayList<>());
                }
            } else if ("item".equals(qName)) {
                buffer.setLength(0);
            }
        }

        @Override

 * <ul>
 *   <li>Treating ISO control characters and specified space characters as spaces.</li>
 *   <li>Appending alphanumeric characters (0-9, A-Z, a-z) to the buffer.</li>
 *   <li>Appending symbol characters (!-/, :-@, [-`, {-~) to the buffer.</li>
 *   <li>Optionally removing duplicate terms based on a flag.</li>
 *   <li>Limiting the maximum size of alphanumeric and symbol terms.</li>
 * </ul>
 *

     */
    public void setMaxUncompressionSize(final long maxUncompressionSize) {
        this.maxUncompressionSize = maxUncompressionSize;
    }

    /**
     * Sets the initial buffer size.
     * @param initialBufferSize The initial buffer size.
     */
    public void setInitialBufferSize(final int initialBufferSize) {
        this.initialBufferSize = initialBufferSize;
    }

    /**

    }

    /**
     * Gets the buffer size for data transfers.
     *
     * @return The buffer size
     */
    public int getBufferSize() {
        return bufferSize;
    }

    /**
     * Sets the buffer size for data transfers.
     *
     * @param bufferSize The buffer size
     */
    public void setBufferSize(final int bufferSize) {

            throw new ExtractException(e);
        }
        return buf.toString();
    }

    /**
     * Appends attachment content to the buffer if it can be extracted.
     *
     * @param buf the buffer to append content to
     * @param bodyPart the body part containing the attachment
     */
    protected void appendAttachment(final StringBuilder buf, final BodyPart bodyPart) {

        }

    }

    /**
     * Gets the bulk buffer size for batch operations.
     *
     * @return The bulk buffer size.
     */
    public int getBulkBufferSize() {
        return bulkBufferSize;
    }

    /**
     * Sets the bulk buffer size for batch operations.
     *
     * @param bulkBufferSize The bulk buffer size.
     */

    protected File workingDirectory = null;

    /** The encoding for the command's output. */
    protected String commandOutputEncoding = Charset.defaultCharset().displayName();

    /** The maximum number of lines to buffer from command output. */
    protected int maxOutputLine = 1000;

    /** Whether to redirect standard output to a file. */
    protected boolean standardOutput = false;

    /**

 * or a fixed number. It also allows filtering documents based on their size, using the {@code limitOfDocumentSize}
 * parameter.
 * </p>
 *
 * <p>
 * The reader uses a queue to buffer documents read from Elasticsearch, and it retries failed requests
 * up to a maximum number of times.
 * </p>
 *
 * <p>
 * <b>Usage:</b>
 * </p>
 * <pre>
 * {@code

 */
public class SitemapsHelper {
    private static final Logger logger = LogManager.getLogger(SitemapsHelper.class);

    /** The size of the preload buffer for checking file format. */
    protected int preloadSize = 512;

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

    /**