* Updates the score of documents.
     * @param params The parameters for the update.
     * @return The number of updated documents.
     */
    protected long updateScore(final Map<String, Object> params) {
        return requestHandler.apply(params);
    }

    /**
     * Creates an update request builder.
     * @return The update request builder.
     */

    protected byte[] engineDigest() {
        final byte[] digest = md5.digest();
        md5.update(opad);
        return md5.digest(digest);
    }

    @Override
    protected int engineDigest(final byte[] buf, final int offset, final int len) {
        final byte[] digest = md5.digest();
        md5.update(opad);
        md5.update(digest);
        try {
            return md5.digest(buf, offset, len);

        final byte[] digest = this.md5.digest();
        this.md5.update(this.opad);
        return this.md5.digest(digest);
    }

    @Override
    protected int engineDigest(final byte[] buf, final int offset, final int len) {
        final byte[] digest = this.md5.digest();
        this.md5.update(this.opad);
        this.md5.update(digest);
        try {
            return this.md5.digest(buf, offset, len);

        indexingHelper.deleteDocumentsByDocId(client, docList);
        assertEquals("fess.update", resultMap.get("index"));
        assertEquals(0, ((List<String>) resultMap.get("ids")).size());

        docList.add("001");
        indexingHelper.deleteDocumentsByDocId(client, docList);
        assertEquals("fess.update", resultMap.get("index"));
        assertEquals(1, ((List<String>) resultMap.get("ids")).size());

        }
    }

    /**
     * Updates an existing character mapping item in the dictionary file.
     *
     * @param item the character mapping item to update
     */
    @Override
    public synchronized void update(final CharMappingItem item) {
        try (MappingUpdater updater = new MappingUpdater(item)) {
            reload(updater);
        }
    }

    /**

        final byte[] response = new byte[24];
        MessageDigest hmac = Crypto.getHMACT64(passwordHash);
        hmac.update(Strings.getUNIBytes(user.toUpperCase()));
        hmac.update(Strings.getUNIBytes(domain.toUpperCase()));
        hmac = Crypto.getHMACT64(hmac.digest());
        hmac.update(challenge);
        hmac.update(clientChallenge);
        hmac.digest(response, 0, 16);
        System.arraycopy(clientChallenge, 0, response, 16, 8);

		t.Fatalf("failed to query data, got error %v", err)
	}

	AssertEqual(t, result, data)

	if err := DB.Model(&result).Update("roles", "").Error; err != nil {
		t.Fatalf("failed to update data's roles, got error %v", err)
	}

	if err := DB.First(&result, data.ID).Error; err != nil {
		t.Fatalf("failed to query data, got error %v", err)
	}
}

     * @return the document count
     */
    long getDocumentSize();

    /**
     * Returns the total execution time for index update operations.
     *
     * @return the execution time in milliseconds
     */
    long getExecuteTime();

    /**
     * Commits all pending index update operations to ensure data persistence.
     * This method should be called after all documents have been stored.
     */
    void commit();

    @Override
    void compareAndSetSeenExceptions(
        AggregateFutureState<?> state, @Nullable Set<Throwable> expect, Set<Throwable> update) {
      seenExceptionsUpdater.compareAndSet(state, expect, update);
    }

    @Override
    int decrementAndGetRemainingCount(AggregateFutureState<?> state) {
      return remainingCountUpdater.decrementAndGet(state);
    }

   *
   * <p>Changes to the returned map will update the underlying table, and vice versa.
   *
   * @param columnKey key of column to search for in the table
   * @return the corresponding map from row keys to values
   */
  Map<R, V> column(@ParametricNullness C columnKey);

  /**
   * Returns a set of all row key / column key / value triplets. Changes to the returned set will