assertNotNull(order);
        assertEquals(BucketOrder.key(false), order);
    }

    // Test getBucketOrder with key.asc
    public void test_getBucketOrder_keyAsc() {
        facetInfo.sort = "key.asc";
        BucketOrder order = facetInfo.getBucketOrder();
        assertNotNull(order);
        assertEquals(BucketOrder.key(true), order);
    }

                final TermsAggregationBuilder termsBuilder =
                        AggregationBuilders.terms(Constants.FACET_FIELD_PREFIX + encodedField).field(f);
                termsBuilder.order(facetInfo.getBucketOrder());
                if (facetInfo.size != null) {
                    termsBuilder.size(facetInfo.size);
                }
                if (facetInfo.minDocCount != null) {