*/
    public boolean isAuthenticationError() {
        return errorCode.getCategory() == ErrorCategory.AUTHENTICATION;
    }

    /**
     * Check if this is a file system error
     *
     * @return true if file system error
     */
    public boolean isFileSystemError() {
        return errorCode.getCategory() == ErrorCategory.FILE_SYSTEM;
    }

    /**
     * Check if this is a transient error

            builder.setExecutable(getJavaLauncher().get().getExecutablePath().getAsFile());
            builder.getMainModule().set("jdk.httpserver");
            builder.setStandardOutput(System.out);
            builder.setErrorOutput(System.err);
            builder.setArgs(Arrays.asList("-p", getPort().get(), "-d", getDocsDirectory().get().getAsFile().getAbsolutePath()));

            return false; // Persistent handles don't expire
        }
        long elapsed = System.currentTimeMillis() - lastAccessTime;
        return elapsed > timeout;
    }

    /**
     * Update the last access time
     */
    public void updateAccessTime() {
        this.lastAccessTime = System.currentTimeMillis();
    }

    /**
     * Get the file path
     * @return the path
     */

         * So this is probably just the "Windows Java 8" case. In that case, if we wanted *another*
         * layer of fallback before consulting the system property, we could try
         * com.sun.security.auth.module.NTSystem.
         *
         * But for now, we use the value from the system property as our best guess.
         */
        return fromSystemProperty;
      } catch (InvocationTargetException e) {

        try {
            lastAccessTime = System.currentTimeMillis();
            return children.containsKey(name);
        } finally {
            lock.readLock().unlock();
        }
    }

    /**
     * Check if cache entry is expired
     *
     * @return true if expired
     */
    public boolean isExpired() {
        return System.currentTimeMillis() - lastUpdateTime > maxAge;
    }

        // Utility class - no instantiation
    }

    // ============================================================
    // System and UI Constants
    // ============================================================

    /** System line separator character sequence. */
    public static final String LINE_SEPARATOR = System.lineSeparator();

    /** Default page number for admin interface pagination. */

            cliRequest.workingDirectory = System.getProperty("user.dir");
        }

        if (cliRequest.multiModuleProjectDirectory == null) {
            String basedirProperty = System.getProperty(MULTIMODULE_PROJECT_DIRECTORY);
            if (basedirProperty == null) {
                System.err.format("-D%s system property is not set.", MULTIMODULE_PROJECT_DIRECTORY);

        final LlmChatRequest request = client.testBuildIntentRequest("What is Fess?", null);
        final List<LlmMessage> messages = request.getMessages();
        // system + user = 2 messages
        assertEquals(2, messages.size());
        assertEquals("system", messages.get(0).getRole());
        assertEquals("user", messages.get(1).getRole());
        assertTrue(messages.get(1).getContent().contains("What is Fess?"));

        final List<String> list = newArrayList();
        list.add("aaa");
        list.add("bbb");
        list.add("ccc");
        for (final Indexed<String> indexed : indexed(list)) {
            System.out.println(indexed.getIndex());
            System.out.println(indexed.getElement());
        }
    }

    /**
     * @throws Exception
     */
    @Test
    public void testForEachLineIterator() throws Exception {

        }

        @Override
        int writeParameterWordsWireFormat(byte[] dst, int dstIndex) {
            System.arraycopy(paramWords, 0, dst, dstIndex, paramWords.length);
            return paramWords.length;
        }

        @Override
        int writeBytesWireFormat(byte[] dst, int dstIndex) {
            System.arraycopy(bytes, 0, dst, dstIndex, bytes.length);
            return bytes.length;
        }

        @Override