* Returns the SuggestSettings instance.
     * @return The SuggestSettings instance.
     */
    public SuggestSettings settings() {
        return suggestSettings;
    }

    /**
     * Returns the ReadingConverter instance.
     * @return The ReadingConverter instance.
     */
    public ReadingConverter getReadingConverter() {
        return readingConverter;
    }

    /**

            }
            return new XPathAPI();
        }
    }

    /**
     * Returns the header for the result data.
     * @return The result data header.
     */
    protected String getResultDataHeader() {
        // TODO support other type
        return "<?xml version=\"1.0\"?>\n<doc>\n";
    }

    /**
     * Returns the body of the result data for a single value.

        return "";
    }

    /**
     * Returns the result data footer.
     * @return The result data footer.
     */
    protected String getResultDataFooter() {
        // TODO support other type
        return "</doc>";
    }

    /**
     * Trims space characters from the value.
     * @param value The value to trim.
     * @return The trimmed value.
     */

     * @return The fields.
     */
    public String[] getFields() {
        return fields;
    }

    /**
     * Returns the kinds of the suggest item.
     * @return The kinds.
     */
    public Kind[] getKinds() {
        return kinds;
    }

    /**
     * Returns the query frequency of the suggest item.
     * @return The query frequency.
     */

    /**
     * Returns the indices timeout.
     * @return The indices timeout.
     */
    public String getIndicesTimeout() {
        return timeoutSettings.indicesTimeout;
    }

    /**
     * Returns the bulk timeout.
     * @return The bulk timeout.
     */
    public String getBulkTimeout() {
        return timeoutSettings.bulkTimeout;
    }

    /**
     * Returns the cluster timeout.

        }
    }

    /**
     * Returns the name of the analyzer settings index.
     * @return The analyzer settings index name.
     */
    public String getAnalyzerSettingsIndexName() {
        return analyzerSettingsIndexName;
    }

    /**
     * Returns the name of the reading analyzer for a given field and language.
     * @param field The field name.

                return null;
            }
        }

        /**
         * Gets the date of the storage object.
         * This method returns the same value as getLastModified().
         *
         * @return The date in milliseconds since epoch
         */
        @Override
        public long getDate() {
            return getLastModified();
        }

        /**

        }
    }

    /**
     * Returns a string representation of this object.
     * @return A string representation.
     */
    @Override
    public String toString() {
        return "RobotsTxt [directiveMap=" + directiveMap + ", sitemapList=" + sitemapList + "]";
    }

    }

    /**
     * Returns the crawler client factory.
     * @return The CrawlerClientFactory instance.
     */
    public CrawlerClientFactory getClientFactory() {
        return clientFactory;
    }

    /**
     * Checks if the crawler is running in background mode.
     * @return true if in background mode, false otherwise.
     */

     * @param uri the URI to preprocess
     * @return the preprocessed URI
     * @throws CrawlerSystemException if the URI is empty
     */
    protected String preprocessUri(final String uri) {
        if (StringUtil.isEmpty(uri)) {
            throw new CrawlerSystemException("The uri is empty.");
        }

        return uri;
    }

    /**
     * Returns the character set for the given SMB1 file.
     *