<div class="card-body">
                            <ul class="nav nav-tabs" role="tablist">
                                <li role="presentation" class="nav-item"><a href="#remote" aria-controls="remote" class="nav-link active"
                                                                          role="tab"
                                                                          data-toggle="tab"

     *        unknown.)
     */
    public CrawlerSystemException(final Throwable cause) {
        super(cause);
    }

    /**
     * Constructs a new CrawlerSystemException with the specified detail message and controls suppression and stack trace writing.
     *
     * @param message the detail message
     * @param enableSuppression whether or not suppression is enabled

                                <la:errors/>
                            </div>
                            <a role="button" data-toggle="collapse" href="#listSearchForm" aria-expanded="false"
                               aria-controls="listSearchForm"><i class="fas fa-search" aria-hidden="true"></i></a>
                            <div class="collapse <c:if test="${!empty regex || !empty replacement}">show</c:if>" id="listSearchForm">

                                <la:errors/>
                            </div>
                            <a role="button" data-toggle="collapse" href="#listSearchForm" aria-expanded="false"
                               aria-controls="listSearchForm"><i class="fas fa-search" aria-hidden="true"></i></a>
                            <div class="collapse <c:if test="${!empty name || !empty paths || !empty description}">show</c:if>" id="listSearchForm">

import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;

/**
 * HostIntervalController is an implementation of {@link org.codelibs.fess.crawler.interval.IntervalController}
 * that controls the interval between requests to the same host.
 * It uses a Guava Cache to store the last access time for each host.
 * The delayBeforeProcessing method is overridden to introduce a delay before processing a URL,

                                <la:errors/>
                            </div>
                            <a role="button" data-toggle="collapse" href="#listSearchForm" aria-expanded="false"
                               aria-controls="listSearchForm"><i class="fas fa-search" aria-hidden="true"></i></a>
                            <div class="collapse <c:if test="${!empty term || !empty query}">show</c:if>" id="listSearchForm">

                                <la:errors/>
                            </div>
                            <a role="button" data-toggle="collapse" href="#listSearchForm" aria-expanded="false"
                               aria-controls="listSearchForm"><i class="fas fa-search" aria-hidden="true"></i></a>
                            <div class="collapse <c:if test="${!empty term || !empty content}">show</c:if>" id="listSearchForm">

				<div id="content" class="container">
					<div class="navbar-brand"></div>
					<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar"
							aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
						<span class="navbar-toggler-icon"></span>
					</button>
					<div class="collapse navbar-collapse" id="navbar">
						<div class="me-auto"></div>

                                <la:errors/>
                            </div>
                            <a role="button" data-toggle="collapse" href="#listSearchForm" aria-expanded="false"
                               aria-controls="listSearchForm"><i class="fas fa-search" aria-hidden="true"></i></a>
                            <div class="collapse <c:if test="${!empty urlExpr || !empty boostExpr}">show</c:if>" id="listSearchForm">

                                <la:errors/>
                            </div>
                            <a role="button" data-toggle="collapse" href="#listSearchForm" aria-expanded="false"
                               aria-controls="listSearchForm"><i class="fas fa-search" aria-hidden="true"></i></a>
                            <div class="collapse <c:if test="${!empty regularName || !empty duplicateHostName}">show</c:if>" id="listSearchForm">