*/
    public long deleteByConfigId(final String configId) {
        final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String index = fessConfig.getIndexDocumentUpdateIndex();
        return deleteByConfigId(searchEngineClient, index, configId);
    }

    /**

                return 0;
            }
        };
        ComponentUtil.register(client, "searchEngineClient");

        final String configId = "W01";

        assertEquals(1, indexingHelper.deleteByConfigId(configId));
        assertEquals("fess.update", resultMap.get("index"));
        assertEquals("config_id", resultMap.get("field"));
        assertEquals(configId, resultMap.get("value"));
    }