*
 * <p>Features:
 * <ul>
 *   <li>Automatic initialization of MinIO client</li>
 *   <li>Support for HEAD and GET operations</li>
 *   <li>Content length validation</li>
 *   <li>MIME type detection</li>
 *   <li>Handling of large files through temporary file storage</li>
 *   <li>Object metadata and tags retrieval</li>
 *   <li>Directory listing capabilities</li>
 * </ul>
 *

 *   <li>ROBOTS_TXT_ENABLED_PROPERTY: Enable or disable robots.txt parsing.</li>
 *   <li>AUTHENTICATIONS_PROPERTY: Web authentications.</li>
 *   <li>REQUEST_HEADERS_PROPERTY: Custom request headers.</li>
 *   <li>REDIRECTS_ENABLED: Enable or disable HTTP redirects.</li>
 *   <li>COOKIES_PROPERTY: Cookie settings.</li>
 *   <li>AUTH_SCHEME_PROVIDERS_PROPERTY: Authentication scheme providers.</li>

 * </p>
 * <ul>
 *   <li><b>fieldRuleMap:</b> A map of field names to XPath expressions.</li>
 *   <li><b>trimSpaceEnabled:</b> A flag to enable or disable trimming of whitespace from extracted values.</li>
 *   <li><b>charsetName:</b> The character encoding for the output XML.</li>
 *   <li><b>dataClass:</b> The class type to return from the {@link #getData(AccessResultData)} method.</li>
 * </ul>
 *
 */

 * <p>
 * This class provides several configuration options to customize the XML parsing process, such as:
 * </p>
 * <ul>
 *   <li>Namespace awareness</li>
 *   <li>Coalescing</li>
 *   <li>Entity expansion</li>
 *   <li>Ignoring comments and whitespace</li>
 *   <li>Validation</li>
 *   <li>XInclude awareness</li>
 * </ul>
 *
 * <p>

 *
 * <p>Constants:</p>
 * <ul>
 *   <li>{@code ELEVATE_WORD_SETTINGD_KEY} - The key for elevate word settings.</li>
 *   <li>{@code ELEVATE_WORD_BOOST} - The key for elevate word boost value.</li>
 *   <li>{@code ELEVATE_WORD_READING} - The key for elevate word readings.</li>
 *   <li>{@code ELEVATE_WORD_FIELDS} - The key for elevate word fields.</li>
 *   <li>{@code ELEVATE_WORD_TAGS} - The key for elevate word tags.</li>

    <div id="menubar">
        <ul>
            <li><a id="home" href="javascript:void(0)">Home</a></li>
            <li><a id="info" href="javascript:void(0)">Information</a></li>
        </ul>
    </div>
    <div id="left">
        <h2>Menu 1</h2>
        <ul class="test">
            <li><a href="javascript:void(0)" onclick="openPage('menu-1-1.html')">Menu 1-1</a></li>

 * </p>
 *
 * <h2>Dependencies:</h2>
 * <ul>
 *   <li>org.apache.logging.log4j.Logger</li>
 *   <li>org.apache.logging.log4j.LogManager</li>
 *   <li>org.xml.sax.InputSource</li>
 *   <li>javax.xml.parsers.SAXParser</li>
 *   <li>javax.xml.parsers.SAXParserFactory</li>
 *   <li>org.xml.sax.helpers.DefaultHandler</li>
 *   <li>org.codelibs.fess.crawler.Constants</li>
 *   <li>org.codelibs.fess.crawler.exception.CrawlerSystemException</li>

 *   <li>{@link #refresh()}: Refreshes the suggestion indices.</li>
 *   <li>{@link #shutdown()}: Shuts down the thread pool.</li>
 *   <li>{@link #createIndexIfNothing()}: Creates a new index if no index exists.</li>
 *   <li>{@link #createNextIndex()}: Creates a new index and replaces the current update alias with the new index.</li>
 *   <li>{@link #switchIndex()}: Switches the search alias to the current update index.</li>

 * </p>
 * <ul>
 *   <li>Starting and finishing threads</li>
 *   <li>Starting and cleaning up crawling</li>
 *   <li>Handling unsupported URLs</li>
 *   <li>Checking last modified dates</li>
 *   <li>Getting content</li>
 *   <li>Handling redirects</li>
 *   <li>Processing responses</li>
 *   <li>Handling exceptions during crawling and child URL processing</li>
 *   <li>Handling cases where no URL is in the queue</li>

 * <p>
 * Constants:
 * </p>
 * <ul>
 *   <li>{@code PRE_PROCESSING} - Represents the pre-processing state.</li>
 *   <li>{@code POST_PROCESSING} - Represents the post-processing state.</li>
 *   <li>{@code NO_URL_IN_QUEUE} - Indicates that there are no URLs in the queue.</li>
 *   <li>{@code WAIT_NEW_URL} - Indicates that the crawler is waiting for new URLs.</li>
 * </ul>
 */
public interface IntervalController {