}
            return new SpnegoCredential(username[0]);
        }).orElse(null);

    }

    /**
     * SPNEGO filter configuration implementation.
     *
     * This inner class provides configuration parameters for the SPNEGO filter,
     * mapping system properties to SPNEGO configuration values. It handles
     * various authentication settings including Kerberos configuration,

										</div>
										<div class="filter-dropdown-list">
											<c:forEach var="item" items="${labelTypeItems}">
											<label class="filter-check-item">
												<input type="checkbox" class="filter-check" data-filter-type="label" data-filter-value="${f:h(item.value)}" />
												<span class="filter-check-label">${f:h(item.label)}</span>
											</label>
											</c:forEach>

										</div>
										<div class="filter-dropdown-list">
											<c:forEach var="item" items="${labelTypeItems}">
											<label class="filter-check-item">
												<input type="checkbox" class="filter-check" data-filter-type="label" data-filter-value="${f:h(item.value)}" />
												<span class="filter-check-label">${f:h(item.label)}</span>
											</label>
											</c:forEach>

     *
     * @param name the appender name
     * @param filter the filter to apply
     * @param layout the layout to use
     * @param ignoreExceptions whether to ignore exceptions
     * @param properties the appender properties
     * @param minLevel the minimum log level to capture
     */
    protected LogNotificationAppender(final String name, final Filter filter, final Layout<? extends Serializable> layout,

  </filter>

  <filter>
    <filter-name>webApiFilter</filter-name>
    <filter-class>org.codelibs.fess.filter.WebApiFilter</filter-class>
  </filter>

  <filter>
    <filter-name>lastaPrepareFilter</filter-name>
    <filter-class>org.lastaflute.web.servlet.filter.LastaPrepareFilter</filter-class>
  </filter>

  <filter>
    <filter-name>lastaShowbaseFilter</filter-name>

            updateFilterBadge();
        });

        // Filter search input handler
        $(document).on('input', '.filter-search-input', function() {
            var query = $(this).val().toLowerCase();
            $(this).closest('.filter-dropdown-menu').find('.filter-check-item').each(function() {
                var label = $(this).find('.filter-check-label').text().toLowerCase();

}

.filter-check-item:hover {
    background-color: #f4f5f7;
}

.filter-check-item .filter-check {
    margin: 0;
    flex-shrink: 0;
}

.filter-check-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.filter-dropdown-footer {
    padding: 0.25rem 0.5rem;
    border-top: 1px solid #ebecf0;
    text-align: right;
}

.filter-clear-group {

          "tokenizer": "standard",
          "filter": [
            "truncate20_filter",
            "lowercase",
            "arabic_stop",
            "arabic_normalization",
            "arabic_keywords",
            "arabic_override",
            "arabic_stemmer"
          ]
        },
        "armenian_analyzer": {
          "tokenizer":  "standard",
          "filter": [
            "truncate20_filter",

                unfiltered.add("zzz");
                unfiltered.add("abc");
                return Collections2.filter(Collections2.filter(unfiltered, LENGTH_1), NOT_YYY_ZZZ);
              }
            })
        .named("Collections2.filter, filtered input")
        .withFeatures(
            CollectionFeature.SUPPORTS_ADD,
            CollectionFeature.SUPPORTS_REMOVE,

        // TODO always returns empty list
        return split(getIndexAdminArrayFields(), ",").get(stream -> stream.filter(StringUtil::isNotBlank)
                .map(String::trim)
                .filter(s -> isNonEmptyValue(source.get(s)))
                .filter(s -> false) // TODO
                .collect(Collectors.toList()));
    }

    String getIndexAdminDateFields();