if c.before != "" { // if defined before callback
			if c.before == "*" && len(sorted) > 0 {
				if curIdx := getRIndex(sorted, c.name); curIdx == -1 {
					sorted = append([]string{c.name}, sorted...)
				}
			} else if sortedIdx := getRIndex(sorted, c.before); sortedIdx != -1 {
				if curIdx := getRIndex(sorted, c.name); curIdx == -1 {
					// if before callback already sorted, append current callback just after it

         * Gets the source index.
         *
         * @return the source index
         */
        public int getIndex() {
            return index;
        }

        /**
         * Sets the source index.
         *
         * @param index the source index
         */
        public void setIndex(final int index) {
            this.index = index;
        }

        /**
         * Gets the source title.

                    source.put("throwable", event.getThrowable() != null ? event.getThrowable() : "");
                    source.put("timestamp", event.getTimestamp());
                    bulkRequest.add(client.prepareIndex().setIndex(indexName).setSource(source));
                }
                final BulkResponse response = bulkRequest.execute().actionGet(30_000L);
                if (response.hasFailures()) {

            }
        }

        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)
        try {

        try {
            // This will likely fail due to missing SearchEngineClient setup,
            // but we can verify the method signature and basic functionality
            SearchEngineUtil.scroll("test_index", hit -> {
                callbackCount.incrementAndGet();
                return true; // Continue processing
            });
        } catch (Exception e) {

                                    }
                                    final IndexRequestBuilder requestBuilder = client.prepareIndex()
                                            .setIndex(configIndex)
                                            .setId(result.get("index").get("_id"))
                                            .setSource(source, XContentType.JSON);

    assertTrue(interfaces.hasMoreElements());
    while (interfaces.hasMoreElements()) {
      NetworkInterface i = interfaces.nextElement();
      builder.add(i.getName()).add(String.valueOf(i.getIndex()));
    }
    return builder.build();
  }

  /** Checks that the IP converts to the big integer and the big integer converts to the IP. */