assertTrue(processor.isSuccessful(responseData));

        responseData.setHttpStatusCode(100);
        assertFalse(processor.isSuccessful(responseData));
        responseData.setHttpStatusCode(304);
        assertFalse(processor.isSuccessful(responseData));
        responseData.setHttpStatusCode(404);
        assertFalse(processor.isSuccessful(responseData));
    }

    }

    /**
     * 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
     */

 *   to be executed when the computation is complete.
 *   The Promise class has then and error methods that allow you to register callbacks
 *   for successful and unsuccessful computations, respectively.
 * </p>
 *
 * <p>
 *   The Deferred class uses a CountDownLatch to allow you to wait for the computation to complete.

});
```

#### 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