return searchEngineClient.deleteByQuery(fessConfig.getIndexDocumentUpdateIndex(),
                QueryBuilders.termQuery(fessConfig.getIndexFieldParentId(), id));
    }

    public List<Map<String, Object>> getChildDocumentList(final SearchEngineClient searchEngineClient, final String id,
            final String[] fields) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

                return docList;
            }
        };
        ComponentUtil.register(client, "searchEngineClient");

        final List<Map<String, Object>> documents = indexingHelper.getChildDocumentList(client, "001", new String[] { "title", "content" });
        assertEquals("fess.update", resultMap.get("index"));
        assertEquals(