* Integer.MAX_VALUE} elements, returns {@code Integer.MAX_VALUE}.
   */
  public int size() {
    return map.size();
  }

  /** Returns {@code true} if this map contains no key-value mappings. */
  public boolean isEmpty() {
    return map.isEmpty();
  }

  /**

        this.sortedProjects = sortedProjectLabels.stream()
                .map(id -> projectMap.get(id))
                .collect(Collectors.collectingAndThen(Collectors.toList(), Collections::unmodifiableList));
    }

    @SuppressWarnings("checkstyle:parameternumber")
    private void addEdge(
            Map<String, MavenProject> projectMap,
            Map<String, Map<String, Vertex>> vertexMap,
            MavenProject project,

        hoge.setA("A");
        hoge.setB(true);
        hoge.setC(3);
        final Map<String, Object> map = newHashMap();
        BeanUtil.copyBeanToMap(hoge, map);
        assertThat(map, is(notNullValue()));
        assertThat(map.get("a"), is((Object) "A"));
        assertThat(map.get("b"), is((Object) true));
        assertThat(map.get("c"), is((Object) 3));
    }

    /**
     * @throws Exception
     */

    IntHolder holderB = new IntHolder(2);
    Map<String, IntHolder> map = ImmutableMap.of("a", holderA, "b", holderB);
    holderA.value = 3;
    assertTrue(map.entrySet().contains(immutableEntry("a", new IntHolder(3))));
    Map<String, Integer> intMap = ImmutableMap.of("a", 3, "b", 2);
    assertEquals(intMap.hashCode(), map.entrySet().hashCode());
    assertEquals(intMap.hashCode(), map.hashCode());
  }

  @J2ktIncompatible

			},
			expected:        map[string]string{},
			filterRetention: true,
		},
		{
			metadata: map[string]string{
				"x-amz-object-lock-legal-hold": "off",
			},
			expected:        map[string]string{},
			filterLegalHold: true,
		},
		{
			metadata: map[string]string{
				"x-amz-object-lock-legal-hold": "on",
			},
			expected:        map[string]string{"x-amz-object-lock-legal-hold": "on"},

            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());

    assertEquals(map.size(), oldSize - 1);
    assertFalse(map.containsKey(key));
    assertEquals(subMap.size(), oldSize - 2);
  }

  public void testTailMapClearThrough() {
    SortedMap<K, V> map;
    try {
      map = makePopulatedMap();
    } catch (UnsupportedOperationException e) {
      return;
    }
    int oldSize = map.size();
    if (map.size() < 2 || !supportsClear) {
      return;
    }

    assertEquals(map.size(), oldSize - 1);
    assertFalse(map.containsKey(key));
    assertEquals(subMap.size(), oldSize - 2);
  }

  public void testTailMapClearThrough() {
    SortedMap<K, V> map;
    try {
      map = makePopulatedMap();
    } catch (UnsupportedOperationException e) {
      return;
    }
    int oldSize = map.size();
    if (map.size() < 2 || !supportsClear) {
      return;
    }

  /**
   * Returns a view of this range map as an unmodifiable {@code Map<Range<K>, V>}. Modifications to
   * this range map are guaranteed to read through to the returned {@code Map}.
   *
   * <p>The returned {@code Map} iterates over entries in ascending order of the bounds of the
   * {@code Range} entries.
   *
   * <p>It is guaranteed that no empty ranges will be in the returned {@code Map}.
   */
  Map<Range<K>, V> asMapOfRanges();

		AMQP:          make(map[string]target.AMQPArgs),
		MQTT:          make(map[string]target.MQTTArgs),
		NATS:          make(map[string]target.NATSArgs),
		Redis:         make(map[string]target.RedisArgs),
		MySQL:         make(map[string]target.MySQLArgs),
		Kafka:         make(map[string]target.KafkaArgs),
		Webhook:       make(map[string]target.WebhookArgs),
		PostgreSQL:    make(map[string]target.PostgreSQLArgs),