protected final long took;

    /**
     * Constructor for SuggestIndexResponse.
     * @param numberOfSuggestDocs The number of suggest documents.
     * @param numberOfInputDocs The number of input documents.
     * @param errors A list of Throwables representing errors.
     * @param took The time taken for the operation in milliseconds.
     */

        SuggestIndexResponse response = new SuggestIndexResponse(10, 5, errors, 100);

        assertNotNull(response);
        assertFalse(response.hasError());
        assertEquals(0, response.getErrors().size());
    }

    @Test
    public void test_getNumberOfSuggestDocs() throws Exception {
        SuggestIndexResponse response = new SuggestIndexResponse(15, 10, null, 100);