}

    // Test multiple data store registration
    public void test_multipleDataStores() {
        TestDataStore dataStore1 = new TestDataStore("Store1");
        TestDataStore2 dataStore2 = new TestDataStore2("Store2");

        dataStoreFactory.add("store1", dataStore1);
        dataStoreFactory.add("store2", dataStore2);

            return sessionId.substring(0, idx);
        }
        return sessionId;
    }

    /**
     * Stores crawling information and parameters for the specified session.
     * Creates a new crawling info record if none exists or if create flag is true.
     * Also stores any accumulated information parameters and clears the info map.
     *
     * @param sessionId the session ID for the crawling information

                    }

                    if (!docMap.containsKey(Constants.SCORE)) {
                        final float score = hit.getScore();
                        if (Float.isFinite(score)) {
                            docMap.put(Constants.SCORE, score);
                        }
                    }

                    docMap.put(fessConfig.getIndexFieldId(), hit.getId());

        // Test store method
        DataStoreParams params = new DataStoreParams();
        Map<String, Object> data = new HashMap<>();
        data.put("key1", "value1");
        callback.store(params, data);

        assertEquals(1L, callback.getDocumentSize());
        assertEquals(100L, callback.getExecuteTime());

        // Test multiple stores
        callback.store(params, data);

                updateUserSessionId(userCode);
            }
            return userCode;
        }).orElse(null);
    }

    /**
     * Extracts the user code from the user bean stored in the session.
     * This method retrieves the authenticated user information and creates an encrypted user code.
     *
     * @param request the HTTP servlet request

  public boolean containsValue(@Nullable Object value) {
    return values().contains(value);
  }

  // Modification Operations

  /**
   * Stores a key-value pair in the multimap.
   *
   * @param key key to store in the multimap
   * @param value value to store in the multimap
   * @return {@code true} always
   */
  @CanIgnoreReturnValue
  @Override

        }

    }

    /**
     * Inner thread class for executing data store crawling operations.
     * Each thread handles crawling for a single data configuration,
     * processing documents and updating the search index.
     *
     * <p>The thread manages:</p>
     * <ul>
     *   <li>Data store initialization and document processing</li>
     *   <li>Index update operations through callbacks</li>

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

    /**
     * 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 -> {

    }

    /**
     * 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>
     *
     * @param dictId the dictionary ID to store the character mapping item in

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

    /**
     * Stores a stopword item in the specified dictionary.
     *
     * @param dictId        The ID of the dictionary.
     * @param stopwordsItem The stopword item to store.
     */
    public void store(final String dictId, final StopwordsItem stopwordsItem) {
        getStopwordsFile(dictId).ifPresent(file -> {