return buckets.stream().map(e -> {
                final Map<String, Object> map = new HashMap<>();
                map.put(ID, Base64.getUrlEncoder().encodeToString(e.getKeyAsString().getBytes(StandardCharsets.UTF_8)));
                map.put(KEY, e.getKeyAsString());
                map.put(COUNT, e.getDocCount());
                return map;
            }).collect(Collectors.toList());

        }
    }

    /**
     * Copies from a {@literal Map} to another {@literal Map}.
     *
     * @param src The source {@literal Map}. Must not be {@literal null}.
     * @param dest The destination {@literal Map}. Must not be {@literal null}.
     */
    public static void copyMapToMap(final Map<String, ? extends Object> src, final Map<String, Object> dest) {
        copyMapToMap(src, dest, DEFAULT_OPTIONS);
    }

    @AfterAll
    protected static void tearDownAll() {
        final List<Map<String, Object>> jobLogList = readJobLog(NAME_PREFIX);
        for (Map<String, Object> elem : jobLogList) {
            deleteMethod("/api/admin/joblog/log/" + elem.get("id"));
        }

        final List<Map<String, Object>> crawlingInfoList = readCrawlingInfo(webConfigId);
        for (Map<String, Object> elem : crawlingInfoList) {

  private final ImmutableMap<K, V> map;

  ImmutableMapKeySet(ImmutableMap<K, V> map) {
    this.map = map;
  }

  @Override
  public int size() {
    return map.size();
  }

  @Override
  public UnmodifiableIterator<K> iterator() {
    return map.keyIterator();
  }

  @Override
  public Spliterator<K> spliterator() {
    return map.keySpliterator();
  }

  @Override

    /**
     * Creates a configuration parameter map.
     *
     * @param configParameters the configuration parameters
     * @return the configuration parameter map
     */
    public static Map<ConfigName, Map<String, String>> createConfigParameterMap(final String configParameters) {
        final Map<ConfigName, Map<String, String>> map = new HashMap<>();
        final Map<String, String> configConfigMap = new LinkedHashMap<>();

    assertEquals("[" + JOINER.join(map.keySet()) + "]", map.keySet().toString());
    assertEquals("[" + JOINER.join(map.values()) + "]", map.values().toString());

    assertEquals(new HashSet<>(map.entrySet()), map.entrySet());
    assertEquals(new HashSet<>(map.keySet()), map.keySet());
  }

    private int linkSpeed; // In units of 1 Mbps
    private byte[] sockaddrStorage;
    private InetAddress address;
    private boolean ipv6;
    private boolean rssCapable; // Receive Side Scaling
    private boolean rdmaCapable;

    /**
     * Create network interface info
     *
     * @param address interface address
     * @param linkSpeed link speed in Mbps
     */

    #; overrideMap = map:{
    #    ; fess.freeGen.mail.targetDir = ./playsql/data/mail
    #}

    # you can adjust LastaDoc contents
    ; lastaDocContentsMap = map:{
        ; headerMap = map:{
            #; isSuppressSchemaHtmlLink = true
        }
        ; actionMap = map:{
            ; isSuppressDescriptionInList = true
            ; isSuppressAuthorInList = true
        }

  }

  @Test fun regularMappings() {
    assertThat("hello".map()).isEqualTo("hello")
    assertThat("hello-world".map()).isEqualTo("hello-world")
    assertThat("HELLO".map()).isEqualTo("hello")
    assertThat("Hello".map()).isEqualTo("hello")

    // These compound characters map their its components.
    assertThat("¼".map()).isEqualTo("1⁄4")
    assertThat("™".map()).isEqualTo("tm")
  }

        Map<String, Object> doc3 = new HashMap<>();
        doc3.put("title", "Doc3");
        assertEquals(-1, qrList.indexOf(doc3));
    }

    public void test_listOperations_iterators() {
        List<Map<String, Object>> documentList = new ArrayList<>();
        Map<String, Object> doc1 = new HashMap<>();
        doc1.put("title", "Doc1");
        Map<String, Object> doc2 = new HashMap<>();