void testInitWithNullProperties() throws CIFSException {
        // Test successful initialization with null properties
        assertDoesNotThrow(() -> SingletonContext.init(null));
        assertNotNull(SingletonContext.getInstance());
    }

    @Test
    void testInitWithCustomProperties() throws CIFSException {
        // Test successful initialization with custom properties
        Properties props = new Properties();

     */
    default int getMaxReadingNum() {
        return 10;
    }

    /**
     * Initializes the converter.
     *
     * @throws IOException if an I/O error occurs during initialization.
     */
    void init() throws IOException;

    /**
     * Converts the given text into a list of readings based on the specified field and languages.
     *
     * @param text the text to be converted.

package cmd

import (
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/minio/mux"
)

// Test cross domain xml handler.
func TestCrossXMLHandler(t *testing.T) {
	// Server initialization.
	router := mux.NewRouter().SkipClean(true).UseEncodedPath()
	handler := setCrossDomainPolicyMiddleware(router)
	srv := httptest.NewServer(handler)

	resp, err := http.Get(srv.URL + crossDomainXMLEntity)

     * Sets up encoding mappings and default encoding from filter configuration.
     *
     * @param config the filter configuration containing initialization parameters
     * @throws ServletException if an error occurs during initialization
     */
    @Override
    public void init(final FilterConfig config) throws ServletException {
        servletContext = config.getServletContext();

     * and ending with ".txt".
     */
    public StemmerOverrideCreator() {
        super("stemmer_override.*\\.txt");
    }

    /**
     * Registers this creator with the dictionary manager upon initialization.
     * This method is annotated with {@link PostConstruct} to be executed after
     * dependency injection is complete.
     */
    @PostConstruct
    public void register() {
        if (logger.isInfoEnabled()) {

 */
package org.codelibs.fess.exception;

/**
 * System exception class for the Fess search engine.
 * This exception is thrown when system-level errors occur in the Fess application,
 * such as configuration errors, initialization failures, or critical runtime issues.
 */
public class FessSystemException extends RuntimeException {

    /** Serial version UID for serialization compatibility */
    private static final long serialVersionUID = 1L;

    public WebApiFilter() {
        // Default constructor
    }

    /**
     * Initializes the web API filter.
     *
     * @param filterConfig The filter configuration
     * @throws ServletException If initialization fails
     */
    @Override
    public void init(final FilterConfig filterConfig) throws ServletException {
        // nothing
    }

    /**
     * Destroys the web API filter and cleans up resources.

    private static FessConfig fessConfig;

    /** List of initialization processes to run after container initialization. */
    private static List<Runnable> initProcesses = new ArrayList<>();

    /**
     * Private constructor to prevent instantiation.
     */
    private ComponentUtil() {
    }

    /**
     * Processes a runnable after container initialization.
     * @param process The process to run after container init.

 *   <li>As prototypes, where a new instance is created each time the component is requested</li>
 * </ul>
 *
 * <p>The container supports component initialization and destruction through consumer functions,
 * allowing custom setup and cleanup operations for components.
 *
 */
public class StandardCrawlerContainer implements CrawlerContainer {

     * and ending with ".txt".
     */
    public SynonymCreator() {
        super("synonym.*\\.txt");
    }

    /**
     * Registers this creator with the dictionary manager upon initialization.
     * This method is annotated with {@link PostConstruct} to be executed after
     * dependency injection is complete.
     */
    @PostConstruct
    public void register() {
        if (logger.isInfoEnabled()) {