void testInvalidConfiguration() {
        assertThrows(IllegalArgumentException.class, () -> new SimpleCircuitBreaker("invalid", 0, 2, 100));
        assertThrows(IllegalArgumentException.class, () -> new SimpleCircuitBreaker("invalid", 3, 0, 100));
        assertThrows(IllegalArgumentException.class, () -> new SimpleCircuitBreaker("invalid", 3, 2, -1));
    }

    @Test

import jcifs.config.PropertyConfiguration;

/**
 * Global singleton context
 *
 * @author mbechler
 *
 */
public class SingletonContext extends BaseContext implements CIFSContext {

    private static final Logger log = LoggerFactory.getLogger(SingletonContext.class);
    private static SingletonContext INSTANCE;

    /**
     * Initialize singleton context using custom properties
     *

        assertThrows(IllegalArgumentException.class, () -> {
            WitnessServiceType.valueOf("INVALID_TYPE");
        });

        assertThrows(IllegalArgumentException.class, () -> {
            WitnessVersion.valueOf("INVALID_VERSION");
        });

        assertThrows(IllegalArgumentException.class, () -> {
            WitnessEventType.valueOf("INVALID_EVENT");
        });
    }

            <div class="container-fluid">
                <div class="row mb-2">
                    <div class="col-sm-6">
                        <h1>
                            <la:message key="labels.search_list_configuration"/>
                        </h1>
                    </div>
                    <div class="col-sm-6">
                        <ol class="breadcrumb float-sm-right">

import java.util.function.Function;
import java.util.function.Predicate;

/**
 * This should be removed when https://bugs.openjdk.org/browse/JDK-8323729
 * is released in our minimum JDK.
 */
class ImmutableCollections {

    private static final Map<?, ?> EMPTY_MAP = new AbstractImmutableMap<>() {
        @Override
        public Set<Entry<Object, Object>> entrySet() {
            return new AbstractImmutableSet<>() {

            <div class="container-fluid">
                <div class="row mb-2">
                    <div class="col-sm-6">
                        <h1>
                            <la:message key="labels.dict_stemmeroverride_title"/>
                        </h1>
                    </div>
                    <div class="col-sm-6">
                        <ol class="breadcrumb float-sm-right">

						<div class="d-sm-none"></div>
						<span class="d-none d-sm-inline-block">&nbsp;</span>
						<a href="#${doc.doc_id}" class="favorite"><i class="far fa-star"></i></a>
						<span class="favorited"><i class="fas fa-star"></i></span>
					</c:if>
				</div>
			</li>
		</c:forEach>
	</ol>
	<aside class="col-md-4 d-none d-md-block">
		<%-- Side Content --%>
		<c:if test="${facetResponse != null}">

        <div class="content-header">
            <div class="container-fluid">
                <div class="row mb-2">
                    <div class="col-sm-6">
                        <h1>
                            <la:message key="labels.file_crawling_configuration"/>
                        </h1>
                    </div>
                    <div class="col-sm-6">

import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpSession;

/**
 * Helper class for handling view-related operations in the Fess search system.
 * This class provides utilities for content rendering, URL processing, highlighting,
 * caching, pagination, and user interface functionality.
 *
 */
public class ViewHelper {

    /**
     * Default constructor for ViewHelper.
     */

    <function-class>org.codelibs.fess.taglib.FessFunctions</function-class>
    <function-signature>boolean fileExists(java.lang.String)</function-signature>
    <example>
      ${fe:fileExists(path)}
    </example>
  </function>

  <function>
    <description>Calculates URL.</description>
    <name>url</name>
    <function-class>org.codelibs.fess.taglib.FessFunctions</function-class>