* This method first refreshes the index, then performs the deletion, and logs the result.
     *
     * @param searchEngineClient the search engine client to use for deletion
     * @param index the index name to delete documents from
     * @param queryBuilder the query to match documents for deletion
     * @return the number of documents that were deleted
     */

import org.opensearch.index.query.QueryBuilders;
import org.opensearch.search.SearchHit;
import org.opensearch.transport.client.Client;

/**
 * Internal operations class for deletion functionality.
 * Handles deletion of suggest items by ID, query, or kind.
 *
 * <p>This class is package-private and intended for internal use by SuggestIndexer.
 */
public class DeletionOperations {

     */
    public boolean isUpdated() {
        return newInput != null;
    }

    /**
     * Checks if the item has been marked for deletion.
     *
     * @return true if the item is marked for deletion, false otherwise.
     */
    public boolean isDeleted() {
        return isUpdated() && newInput.length() == 0;
    }

    @Override
    public int hashCode() {

         *
         * <p>The deletion process:</p>
         * <ul>
         *   <li>Checks if old document deletion is enabled</li>
         *   <li>Builds a query to find old documents for this configuration</li>
         *   <li>Optionally preserves expired documents based on configuration</li>
         *   <li>Executes the deletion query against the search engine</li>
         * </ul>
         */

     * For recursive operations, performs immediate deletion. For single documents,
     * adds to the delete cache for batch processing.
     *
     * @param paramMap the data store parameters
     * @param dataMap the data map containing the URL to delete
     * @return true if the deletion was processed successfully, false otherwise
     */

        CrawlingInfoService crawlingInfoService = new CrawlingInfoService() {
            @Override
            public void deleteBefore(long time) {
                throw new RuntimeException("Crawling info deletion failed");
            }
        };

        SearchLogService searchLogService = new SearchLogService() {
            @Override
            public void deleteBefore(int days) {

     */
    public boolean isUpdated() {
        return newInputs != null && newOutputs != null;
    }

    /**
     * Checks if the item has been marked for deletion.
     *
     * @return true if the item is marked for deletion, false otherwise.
     */
    public boolean isDeleted() {
        return isUpdated() && newInputs.length == 0;
    }

    @Override
    public int hashCode() {

    private void testDeleteAllCrawlingInfo() {
        // Read crawling info before deletion
        final List<Map<String, Object>> logListBefore = readCrawlingInfo(webConfigId);
        logger.info("logListBefore: {}", logListBefore);
        final int sizeBeforeDeletion = logListBefore.size();
        logger.info("Number of crawling info logs before deletion: {}", sizeBeforeDeletion);

        // Delete all old crawling sessions

        return newInputs != null && newOutput != null;
    }

    /**
     * Checks whether this mapping item is marked for deletion.
     * An item is considered deleted if it has updates pending and the new inputs array is empty.
     *
     * @return true if the item is marked for deletion
     */
    public boolean isDeleted() {
        return isUpdated() && newInputs.length == 0;
    }

    /**

    assertThat(cache.size()).isAtMost(1);
  }

  public void testCompute() {
    cache.put(key, "1");
    // simultaneous deletion
    doParallelCacheOp(count, n -> cache.asMap().compute(key, (k, v) -> null));
    assertThat(cache.size()).isEqualTo(0);
  }

  public void testComputeWithLoad() {