// Verify that the settings object was created with the correct parameters
        // Note: We can't directly verify internal state of SuggestSettings without getters,
        // but we can verify it was created successfully
    }

    @Test
    public void testBuildWithCustomSettings() {
        // Test building with all custom settings
        String id = "custom-id";
        builder.setSettingsIndexName("CUSTOM_INDEX")

     * @param index the name of the index from which documents should be deleted
     * @param queryBuilder the query used to identify documents to delete
     * @return true if the operation completes successfully
     * @throws SuggesterException if any error occurs during the delete operation
     */
    public static boolean deleteByQuery(final Client client, final SuggestSettings settings, final String index,

    }

    /**
     * Gets the successful HTTP codes.
     *
     * @return the successful HTTP codes
     */
    public int[] getSuccessfulHttpCodes() {
        return successfulHttpCodes;
    }

    /**
     * Sets the successful HTTP codes.
     *
     * @param successfulHttpCodes the successful HTTP codes to set
     */

});
```

#### 4. Asynchronous Suggestions

```java
suggester.suggest()
    .setQuery("sea")
    .execute()
    .done(response -> {
        // Handle successful response
        response.getItems().forEach(item -> 
            System.out.println("Async suggestion: " + item.getText()[0])
        );
    })
    .error(throwable -> {
        // Handle error