}).then(response -> {
            refresh();
            success.accept(true);
        }).error(t -> error.accept(t));
    }

    /**
     * Purges old suggest data from documents.
     *
     * @param time The timestamp to purge data before.
     */
    public void purgeDocumentSuggest(final LocalDateTime time) {
        final BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();

            logger.debug("{} is not available.", generator.getName());
        }
    }

    /**
     * Purges old thumbnail files based on the expiry time.
     *
     * @param expiry the expiry time threshold
     * @return the number of files purged
     */
    public long purge(final long expiry) {
        if (!baseDir.exists()) {
            return 0;
        }
        try {

    }

    // Test purge with no purge search log
    public void test_purge_noPurgeSearchLog() {
        // Test when purge search log is disabled
        SuggestCreator.Options options = new SuggestCreator.Options();
        assertNotNull(options);
    }

    // Test create and purge full flow
    public void test_createAndPurge_fullFlow() {
        // Test full flow of create and purge

    }

    // Test execute with successful purge (single file deleted)
    public void test_execute_singleFileDeleted() {
        thumbnailManager.setPurgeCallCount(1);

        String result = purgeThumbnailJob.execute();

        assertEquals("Deleted 1 thumbnail files.", result);
    }

    // Test execute with successful purge (multiple files deleted)

import jakarta.annotation.Resource;

/**
 * This class is a command-line application for creating and managing the suggest index.
 * It provides functionality to index words from documents and search logs, as well as
 * to purge old suggest data.
 */
public class SuggestCreator {

    /**
     * Constructs a new suggest creator.
     */
    public SuggestCreator() {
        // do nothing
    }

        recentFile.createNewFile();
        recentFile.setLastModified(System.currentTimeMillis());

        // Override purge to avoid client operations
        ThumbnailManager testManager = new ThumbnailManager() {
            @Override
            public long purge(long expiry) {
                // Just count files that would be deleted
                return 1L;
            }
        };

        assertFalse(deleteUserInfoCalled[0]);

        // Assert result contains skip messages
        assertTrue(result.contains("Skipped to purge search logs"));
        assertTrue(result.contains("Skipped to purge job logs"));
        assertTrue(result.contains("Skipped to purge user info logs"));
    }

    // Test crawlingInfoService exception handling
    public void test_execute_crawlingInfoException() {

   *
   * @param element the element to prepend to the front of {@code array}
   * @param array the array of elements to append
   * @return an array whose size is one larger than {@code array}, with {@code element} occupying
   *     the first position, and the elements of {@code array} occupying the remaining elements.
   */

   * map of public suffixes. The encoded trie string may be broken into multiple chunks to avoid the
   * 64k limit on string literal size. In-memory strings can be much larger (2G).
   */
  static ImmutableMap<String, PublicSuffixType> parseTrie(CharSequence... encodedChunks) {
    String encoded = DIRECT_JOINER.join(encodedChunks);
    return parseFullString(encoded);
  }

   *
   * @param element the element to prepend to the front of {@code array}
   * @param array the array of elements to append
   * @return an array whose size is one larger than {@code array}, with {@code element} occupying
   *     the first position, and the elements of {@code array} occupying the remaining elements.
   */