* @return this request for method chaining
     */
    public LlmChatRequest addMessage(final LlmMessage message) {
        messages.add(message);
        return this;
    }

    /**
     * Adds a system message to the request.
     *
     * @param content the message content
     * @return this request for method chaining
     */

        return type;
    }

    /**
     * Sets the highlighting type with fluent interface.
     *
     * @param type the highlighting type to set
     * @return this HighlightInfo instance for method chaining
     */
    public HighlightInfo type(final String type) {
        this.type = type;
        return this;
    }

    /**
     * Gets the fragment size.
     *

     * @return this ExecJob instance for method chaining
     */
    public ExecJob jobExecutor(final JobExecutor jobExecutor) {
        this.jobExecutor = jobExecutor;
        return this;
    }

    /**
     * Sets the session ID for this job execution.
     *
     * @param sessionId the unique session identifier
     * @return this ExecJob instance for method chaining
     */

    @Test
    public void test_expiry_validValue() {
        long newExpiry = 60L * 24 * 60 * 60 * 1000L; // 60 days
        PurgeThumbnailJob result = purgeThumbnailJob.expiry(newExpiry);

        // Test method chaining
        assertSame(purgeThumbnailJob, result);
        // Test value was set
        assertEquals(newExpiry, purgeThumbnailJob.getExpiry());
    }

    // Test expiry setter with zero value (should not change)

    return from(CacheBuilderSpec.parse(spec));
  }

  /**
   * Enables lenient parsing. Useful for tests and spec parsing.
   *
   * @return this {@code CacheBuilder} instance (for chaining)
   */
  @GwtIncompatible // To be supported
  @CanIgnoreReturnValue
  CacheBuilder<K, V> lenientParsing() {
    strictParsing = false;
    return this;
  }

  /**

  }

  public void testInputFutureToString() throws Throwable {
    assertThat(resultFuture.toString()).contains(inputFuture.toString());
  }

  /**
   * Override to return a chaining listenableFuture that returns the result of getSuccessfulResult()
   * when inputFuture returns VALID_INPUT_DATA, and sets the exception to EXCEPTION in all other
   * cases.
   */

    return from(CacheBuilderSpec.parse(spec));
  }

  /**
   * Enables lenient parsing. Useful for tests and spec parsing.
   *
   * @return this {@code CacheBuilder} instance (for chaining)
   */
  @GwtIncompatible // To be supported
  @CanIgnoreReturnValue
  CacheBuilder<K, V> lenientParsing() {
    strictParsing = false;
    return this;
  }

  /**

     * The namespace is used to organize and identify crawling activities.
     *
     * @param namespace the namespace identifier for the crawling session
     * @return this CrawlJob instance for method chaining
     */
    public CrawlJob namespace(final String namespace) {
        this.namespace = namespace;
        return this;
    }

    /**
     * Sets the document expiration period in days.

  }

  public void testInputFutureToString() throws Throwable {
    assertThat(resultFuture.toString()).contains(inputFuture.toString());
  }

  /**
   * Override to return a chaining listenableFuture that returns the result of getSuccessfulResult()
   * when inputFuture returns VALID_INPUT_DATA, and sets the exception to EXCEPTION in all other
   * cases.
   */

     * @return this instance for method chaining
     */
    public IndexExportJob query(final QueryBuilder queryBuilder) {
        this.queryBuilder = queryBuilder;
        return this;
    }

    /**
     * Sets the export format.
     *
     * @param format the format name (e.g. "html", "json")
     * @return this instance for method chaining
     */
    public IndexExportJob format(final String format) {