public void test_exceptionChaining() {
        // Test exception chaining with multiple levels
        Exception rootCause = new Exception("Root cause");
        RuntimeException middleCause = new RuntimeException("Middle cause", rootCause);
        FessSystemException topException = new FessSystemException("Top level", middleCause);

        assertEquals("Top level", topException.getMessage());
        assertEquals(middleCause, topException.getCause());

    message = "moved to val",
    replaceWith = ReplaceWith(expression = "keyManager"),
    level = DeprecationLevel.ERROR,
  )
  fun keyManager(): X509KeyManager = keyManager

  @JvmName("-deprecated_trustManager")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "trustManager"),
    level = DeprecationLevel.ERROR,
  )
  fun trustManager(): X509TrustManager = trustManager

 *       <ul>
 *         <li>2 levels: average of 64ns per lock()/unlock()
 *         <li>3 levels: average of 77ns per lock()/unlock()
 *         <li>4 levels: average of 99ns per lock()/unlock()
 *         <li>5 levels: average of 103ns per lock()/unlock()
 *         <li>10 levels: average of 184ns per lock()/unlock()
 *         <li>20 levels: average of 393ns per lock()/unlock()
 *       </ul>
 * </ul>

        logger.logp(Level.INFO, sourceClass, null, message);
    }

    @Override
    public void info(final String message, final Throwable t) {
        logger.logp(Level.INFO, sourceClass, null, message, t);
    }

    @Override
    public boolean isDebugEnabled() {
        return logger.isLoggable(Level.FINE);
    }

    @Override
    public void debug(final String message) {

            }
          }

        if (debug) {
          handler.level = Level.ALL
          handler.formatter = OneLineLogFormat()
          val activeLogger = getLogger("")
          activeLogger.addHandler(handler)
          activeLogger.level = Level.ALL

          getLogger("jdk.event.security").level = Level.INFO
          getLogger("org.conscrypt").level = Level.INFO
        } else {
          if (showHttp2Frames) {

		<Logger name="org.codelibs" additivity="false" level="${log.level}">
			<AppenderRef ref="AppFile" />
		</Logger>
		<Logger name="org.dbflute" additivity="false" level="${log.level}">
			<AppenderRef ref="AppFile" />
		</Logger>
		<Logger name="org.lastaflute" additivity="false" level="${log.level}">
			<AppenderRef ref="AppFile" />
		</Logger>
		<Logger name="fess.log.crawler.stats" additivity="false" level="info">
			<AppenderRef ref="StatsFile" />

                .setLevel(Level.ERROR)
                .setMessage(new SimpleMessage("test message 3"))
                .build();

        LogEvent result1 = policy.rewrite(event1);
        LogEvent result2 = policy.rewrite(event2);
        LogEvent result3 = policy.rewrite(event3);

        assertEquals(Level.WARN, result1.getLevel());
        assertEquals(Level.WARN, result2.getLevel());

	public static final field BODY Lokhttp3/logging/HttpLoggingInterceptor$Level;
	public static final field HEADERS Lokhttp3/logging/HttpLoggingInterceptor$Level;
	public static final field NONE Lokhttp3/logging/HttpLoggingInterceptor$Level;
	public static fun getEntries ()Lkotlin/enums/EnumEntries;
	public static fun valueOf (Ljava/lang/String;)Lokhttp3/logging/HttpLoggingInterceptor$Level;

    assertThat(applicationInterceptor.level).isEqualTo(Level.NONE)
    for (level in Level.entries) {
      applicationInterceptor.setLevel(level)
      assertThat(applicationInterceptor.level).isEqualTo(level)
    }
  }

  @Test
  fun setLevelShouldReturnSameInstanceOfInterceptor() {
    for (level in Level.entries) {
      assertThat(applicationInterceptor.setLevel(level)).isSameInstanceAs(applicationInterceptor)
    }

        this.loggerNames = loggerNames;
    }

    /**
     * Rewrites log events by converting ERROR level to WARN level for matching loggers.
     *
     * @param event the log event to potentially rewrite
     * @return the original event or a new event with WARN level if conversion applied
     */
    @Override
    public LogEvent rewrite(final LogEvent event) {