if (!deleteUrlList.isEmpty()) {
                deleteDocuments();
            }
        }
        indexUpdateCallback.commit();
    }

    /**
     * Performs batch deletion of all URLs in the delete cache.
     * Clears the delete URL list after processing.
     */
    protected void deleteDocuments() {

                    final Object idValue = document.get(fessConfig.getIndexFieldId());
                    if (idValue != null && !indexingHelper.deleteDocument(searchEngineClient, idValue.toString())) {
                        logger.debug("Failed to delete expired document: {}", url);
                    }
                    return true;
                }

     * @param searchEngineClient the search engine client to use for deletion
     * @param id the document ID to delete
     * @return true if the deletion was successful, false otherwise
     */
    public boolean deleteDocument(final SearchEngineClient searchEngineClient, final String id) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return searchEngineClient.delete(fessConfig.getIndexDocumentUpdateIndex(), id);
    }