* @author FessProject
 */
public class LlmChatRequest {

    private List<LlmMessage> messages = new ArrayList<>();
    private String model;
    private Integer maxTokens;
    private Double temperature;
    private boolean stream;
    private Integer thinkingBudget;
    private Map<String, String> extraParams;

    /**
     * Default constructor.
     */
    public LlmChatRequest() {
    }

    /**

        final List<LlmMessage> history = new ArrayList<>();
        final LlmChatRequest request = new LlmChatRequest();
        client.testAddIntentHistory(request, history);
        assertEquals(0, request.getMessages().size());
    }

    @Test
    public void test_addIntentHistory_nullHistory() {
        final LlmChatRequest request = new LlmChatRequest();
        client.testAddIntentHistory(request, null);

     * @param history the conversation history
     * @return the LLM chat request
     */
    protected LlmChatRequest buildStreamingRequest(final String userMessage, final String context, final List<LlmMessage> history) {
        final LlmChatRequest request = new LlmChatRequest();

        final String resolvedPrompt =

     * @param request the chat request containing messages and parameters
     * @return the chat response from the LLM
     * @throws LlmException if an error occurs during the request
     */
    LlmChatResponse chat(LlmChatRequest request);

    /**
     * Performs a streaming chat completion request.
     * The callback is invoked for each chunk of the response.
     *
     * @param request the chat request containing messages and parameters

     *
     * @param request the chat request
     * @return the chat response
     * @throws LlmException if LLM is not available or an error occurs
     */
    public LlmChatResponse chat(final LlmChatRequest request) {
        final long startTime = System.currentTimeMillis();
        final String llmType = getLlmType();
        if (logger.isDebugEnabled()) {