/**
     * Constructs a new ExtractData with the specified content.
     *
     * @param content the content to set
     */
    public ExtractData(final String content) {
        this.content = content;
    }

    /**
     * Puts multiple values for a given key in the metadata.
     *
     * @param key the metadata key
     * @param values the values to associate with the key
     */

    }

    /**
     * Stores a single child URL to the crawling queue.
     * @param childUrl The child URL to store.
     * @param parentUrl The parent URL.
     * @param weight The weight of the child URL.
     * @param depth The depth of the child URL.
     */
    protected void storeChildUrl(final String childUrl, final String parentUrl, final float weight, final int depth) {

    protected Map<String, Long> maxLengthMap = new HashMap<>();

    /**
     * Adds a maximum content length for a specific MIME type.
     * @param mimeType The MIME type for which to set the maximum length
     * @param maxLength The maximum content length in bytes
     * @throws CrawlerSystemException if the MIME type is blank or maxLength is negative
     */

        super();
    }

    /**
     * Extracts text from the Publisher input stream.
     * @param in The input stream.
     * @param params The parameters.
     * @return The extracted data.
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }

    private static final long serialVersionUID = 1L;

    /**
     * Constructs a new exception with the specified detail message and cause.
     *
     * @param message the detail message
     * @param cause the cause (which is saved for later retrieval by the {@link Throwable#getCause()} method)
     */
    public ExecutionTimeoutException(final String message, final Throwable cause) {

     * @param message the detail message
     * @param cause the cause of the exception
     */
    public SitemapsException(final String message, final Throwable cause) {
        super(message, cause);
    }

    /**
     * Constructs a new SitemapsException with the specified detail message.
     * @param message the detail message
     */

        }
        return extractorFactory;
    }

    /**
     * Creates a temporary file.
     * @param prefix The prefix string to be used in generating the file's name.
     * @param suffix The suffix string to be used in generating the file's name.
     * @param directory The directory in which the file is to be created, or null if the default temporary-file directory is to be used.

        }
    }

    /**
     *  Use an XPath string to select a nodelist.
     *  XPath namespace prefixes are resolved from the contextNode.
     *
     *  @param contextNode The node to start searching from.
     *  @param expression A valid XPath string.
     *  @return A XPathNodes, should never be null.
     *
     * @throws XPathExpressionException if an XPath expression error occurs.
     */

    }

    /**
     * Reads up to len bytes of data from the input stream into an array of bytes.
     *
     * @param b the buffer into which the data is read
     * @param off the start offset in array b at which the data is written
     * @param len the maximum number of bytes to read
     * @return the total number of bytes read into the buffer, or -1 if there is no more data

     *
     * @param builder The XContentBuilder to write to.
     * @param params Additional parameters for the conversion.
     * @return The XContentBuilder with the URL queue data.
     * @throws IOException if the conversion fails.
     */
    @Override
    public XContentBuilder toXContent(final XContentBuilder builder, final Params params) throws IOException {
        builder.startObject();