return redirect(getClass());
        }
        try {
            searchEngineClient.admin()
                    .indices()
                    .prepareDelete(//
                            fessConfig.getIndexDocumentCrawlerIndex() + ".queue", //
                            fessConfig.getIndexDocumentCrawlerIndex() + ".data", //

    public DeleteRequestBuilder prepareDelete() {
        return client.prepareDelete();
    }

    /**
     * Prepares a delete request builder for a specific document.
     *
     * @param index the index name
     * @param id    the document ID
     * @return the delete request builder
     */
    @Override
    public DeleteRequestBuilder prepareDelete(final String index, final String id) {

            }
        }

        final BulkRequestBuilder bulkDelete = client.prepareBulk();
        for (final String docId : docIds) {
            bulkDelete.add(client.prepareDelete().setIndex(indexName).setId(docId));
        }
        bulkDelete.execute().actionGet(fessConfig.getIndexSearchTimeout());

        // Delete any remaining events beyond the search size limit (discard overflow)