* @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
     */

        // Test setting index name with lowercase conversion
        SuggestSettingsBuilder result = builder.setSettingsIndexName("TEST_INDEX");
        assertEquals(builder, result); // Test method chaining
        assertEquals("test_index", builder.settingsIndexName);

        // Test setting index name with mixed case
        builder.setSettingsIndexName("TeSt_InDeX_NaMe");

    Object getBean();

    /**
     * Sets the bean to configure. Eventually, a valid request must have a bean set.
     *
     * @param bean The bean to configure, may be {@code null}.
     * @return This request for chaining, never {@code null}.
     */
    BeanConfigurationRequest setBean(Object bean);

    /**
     * Gets the configuration to unmarshal into the bean.
     *

        assertEquals((byte) 0xFF, buf[1], "AndX command should be 0xFF when no chaining");
        assertEquals((byte) 0x00, buf[2], "Reserved byte must be 0");
        assertEquals((byte) 0xDE, buf[3], "Sentinel low offset when no chaining");
        assertEquals((byte) 0xDE, buf[4], "Sentinel high offset when no chaining");
        assertNull(block.andx, "andx should be cleared when not chaining");
    }

    @Test

        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.
     *

    }

    /**
     * Sets the search request parameters for this builder.
     * This method follows the builder pattern for method chaining.
     *
     * @param params the search request parameters to use
     * @return this QueryStringBuilder instance for method chaining
     */
    public QueryStringBuilder params(final SearchRequestParams params) {
        this.params = params;
        return this;
    }

    @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 this request for chaining, never {@code null}
         */
        @Nonnull
        public DependencyResolverRequestBuilder rootArtifact(@Nullable Artifact rootArtifact) {
            this.rootArtifact = rootArtifact;
            return this;
        }

        /**
         * @param root The root dependency
         * @return this request for chaining, never {@code null}
         */

  }

  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;
  }

  /**