return "jpg,jpeg,gif,png";

                case FessConfig.JOB_MAX_CRAWLER_PROCESSES:
                    return "3";
                case FessConfig.MAX_LOG_OUTPUT_LENGTH:
                    return "4000";

                // Crawler hotthread properties

                // Index field constants
                case FessConfig.INDEX_FIELD_favorite_count:
                    return "favorite_count";

						<div class="input-wrapper">
							<div class="input-group">
								<textarea id="chatInput" class="form-control"
									placeholder="<la:message key="labels.chat_input_placeholder" />"
									rows="1" maxlength="4000"
									aria-label="<la:message key="labels.chat_input_placeholder" />"></textarea>
								<button type="button" id="sendBtn" class="btn btn-primary" aria-label="<la:message key="labels.chat_send" />">

        try {
            return Integer.parseInt(fessConfig.getOrDefault("rag.chat.message.max.length", "4000"));
        } catch (final NumberFormatException e) {
            logger.warn("Invalid rag.chat.message.max.length config, using default 4000");
            return 4000;
        }
    }

    /**
     * Parses and validates field filter parameters from the request.

						<div class="input-wrapper">
							<div class="input-group">
								<textarea id="chatInput" class="form-control"
									placeholder="<la:message key="labels.chat_input_placeholder" />"
									rows="1" maxlength="4000"
									aria-label="<la:message key="labels.chat_input_placeholder" />"></textarea>
								<button type="button" id="sendBtn" class="btn btn-primary" aria-label="<la:message key="labels.chat_send" />">

    for (int rate : rates) {
      int oneSecWorthOfWork = rate;
      stopwatch.sleepMillis(rate * 1000);
      limiter.setRate(rate);
      long burst = measureTotalTimeMillis(limiter, oneSecWorthOfWork, new Random());
      // we allow one second worth of work to go in a burst (i.e. take less than a second)
      assertThat(burst).isAtMost(1000);
      long afterBurst = measureTotalTimeMillis(limiter, oneSecWorthOfWork, new Random());

    for (int rate : rates) {
      int oneSecWorthOfWork = rate;
      stopwatch.sleepMillis(rate * 1000);
      limiter.setRate(rate);
      long burst = measureTotalTimeMillis(limiter, oneSecWorthOfWork, new Random());
      // we allow one second worth of work to go in a burst (i.e. take less than a second)
      assertThat(burst).isAtMost(1000);
      long afterBurst = measureTotalTimeMillis(limiter, oneSecWorthOfWork, new Random());

    public void test_abbreviateLongText() {
        assertEquals("", systemHelper.abbreviateLongText(""));
        assertEquals(4000, systemHelper.abbreviateLongText(Stream.generate(() -> "a").limit(4000).collect(Collectors.joining())).length());
        assertEquals(4000, systemHelper.abbreviateLongText(Stream.generate(() -> "a").limit(4001).collect(Collectors.joining())).length());
    }

    @Test
    public void test_getLanguageItems() {

        // ## Act ##
        request.timeout(1000, 2000);
        request.timeout(3000, 4000);

        // ## Assert ##
        assertEquals(3000, request.connectTimeout);
        assertEquals(4000, request.readTimeout);
    }

                if ("rag.chat.message.max.length".equals(key)) {
                    return "8000";
                }
                return defaultValue;
            }
        });

        final int result = chatApiManager.getMaxMessageLength(ComponentUtil.getFessConfig());
        assertEquals(8000, result);
    }

    @Test
    public void test_getMaxMessageLength_invalidValue() {

	FSTPS	(F3, F4), 11(RSP)   // fb2f00916313002d
	FSTPS	(F3, F4), 1024(RSP) // fb0310916313002d
	FSTPS	(F3, F4), x(SB)
	FSTPS	(F3, F4), x+8(SB)

// FLDPQ/FSTPQ
	FLDPQ   -4000(R0), (F1, F2)  // 1b803ed1610b40ad
	FLDPQ	-1024(R0), (F1, F2)  // 010860ad
	FLDPQ	(R0), (F1, F2)       // 010840ad
	FLDPQ	16(R0), (F1, F2)     // 018840ad
	FLDPQ	-16(R0), (F1, F2)    // 01887fad