assertNotNull(manager);
    }

    // Test insert with no chains
    public void test_insert_noChains() {
        User user = createTestUser("testuser");
        authenticationManager.insert(user);
        // Should not throw exception even with no chains
    }

    // Test insert with single chain
    public void test_insert_singleChain() {

        urlQueue.setMethod(Constants.GET_METHOD);
        insert(urlQueue);
    }

    /**
     * Inserts a URL queue entry into the OpenSearch index.
     *
     * @param urlQueue The URL queue entry to insert.
     */
    @Override
    public void insert(final OpenSearchUrlQueue urlQueue) {
        try {
            super.insert(urlQueue, urlQueue.getId() == null ? OpType.CREATE : OpType.INDEX);

        urlQueueService.insert(urlQueue);

        final OpenSearchUrlQueue urlQueue2 = new OpenSearchUrlQueue();
        urlQueue2.setCreateTime(System.currentTimeMillis());
        urlQueue2.setDepth(1);
        urlQueue2.setMethod("GET");
        urlQueue2.setSessionId("id2");
        urlQueue2.setUrl("http://www.id2.com/");

        urlQueueService.insert(urlQueue2);

                    }
                });

    }

    /**
     * Inserts or updates a user in LDAP directory.
     *
     * @param user the user object to insert or update
     */
    public void insert(final User user) {
        if (!fessConfig.isLdapAdminEnabled(user.getName())) {
            return;
        }

        final Supplier<Hashtable<String, String>> adminEnv = this::createAdminEnv;

                throw new CrawlingAccessException("[" + e.status() + "] Failed to insert " + id, e);
            }
            throw new OpenSearchAccessException("[" + e.status() + "] Failed to insert " + id, e);
        } catch (final Exception e) {
            throw new OpenSearchAccessException("Failed to insert " + id, e);
        }
    }

    /**

	// benchmark utility which helps obtain number of allocations and bytes allocated per ops.
	b.ReportAllocs()
	// the actual benchmark for PutObject starts here. Reset the benchmark timer.

	for i := 0; b.Loop(); i++ {
		// insert the object.
		objInfo, err := obj.PutObject(b.Context(), bucket, "object"+strconv.Itoa(i),
			mustGetPutObjReader(b, bytes.NewReader(textData), int64(len(textData)), md5hex, sha256hex), ObjectOptions{})
		if err != nil {

    }

    /**
     * Stores a protected words item (insert or update).
     * @param dictId the dictionary ID
     * @param protwordsItem the item to store
     */
    public void store(final String dictId, final ProtwordsItem protwordsItem) {
        getProtwordsFile(dictId).ifPresent(file -> {
            if (protwordsItem.getId() == 0) {
                file.insert(protwordsItem);
            } else {

        assertEquals(3, result5.getAllRecordCount());
    }

    // Test insert method
    public void test_insert() throws Exception {
        writeTestFile("a,b => c\n");

        CharMappingItem newItem = new CharMappingItem(0, new String[] { "x", "y" }, "z");
        charMappingFile.insert(newItem);

        // Verify the item was added

    }

    /**
     * Stores (creates or updates) a stemmer override item in the specified dictionary.
     *
     * If the item ID is 0, this method performs an insert operation. Otherwise,
     * it performs an update operation for the existing item.
     *
     * @param dictId The ID of the stemmer override dictionary
     * @param stemmerOvberrideItem The stemmer override item to store

        return getCharMappingFile(dictId).map(file -> file.get(id).get());
    }

    /**
     * Stores a character mapping item in the specified dictionary.
     * <p>
     * This method performs either an insert operation (for new items with ID 0)
     * or an update operation (for existing items with non-zero ID) depending on
     * the item's current state.
     * </p>
     *