// the number of calls of each API and the moving average of
// the duration of each API.
type DiskMetrics struct {
	LastMinute              map[string]AccElem `json:"apiLatencies,omitempty"`
	APICalls                map[string]uint64  `json:"apiCalls,omitempty"`
	TotalWaiting            uint32             `json:"totalWaiting,omitempty"`
	TotalErrorsAvailability uint64             `json:"totalErrsAvailability"`

    Map<String, Long> in = ImmutableMap.of("1", 1L, "2", 2L, "3", 3L);
    AtomicLongMap<String> map = AtomicLongMap.create();
    assertTrue(map.isEmpty());
    assertEquals(0, map.size());
    assertFalse(map.containsKey("1"));
    assertFalse(map.containsKey("2"));
    assertFalse(map.containsKey("3"));
    assertEquals(0L, map.get("1"));
    assertEquals(0L, map.get("2"));
    assertEquals(0L, map.get("3"));

    map.putAll(in);

    }

    @Test
    public void testGetFloat_withFloatValue() {
        Map<String, Object> map = new HashMap<>();
        map.put("float", 1.5f);
        map.put("double", 2.5d);
        map.put("int", 3);
        map.put("string", "4.5");

        assertEquals(1.5f, MapValueExtractor.getFloat(map, "float"), 0.001f);
        assertEquals(2.5f, MapValueExtractor.getFloat(map, "double"), 0.001f);

        map.put("チ", new String[] { "ti", "chi" });
        map.put("ツ", new String[] { "tu", "tsu" });
        map.put("テ", new String[] { "te" });
        map.put("ト", new String[] { "to" });

        map.put("ナ", new String[] { "na" });
        map.put("ニ", new String[] { "ni" });
        map.put("ヌ", new String[] { "nu" });
        map.put("ネ", new String[] { "ne" });
        map.put("ノ", new String[] { "no" });

    }

    /**
     * Gets a nested Map from the map.
     *
     * @param map The source map
     * @param key The key to look up
     * @return The nested Map, or null if the key doesn't exist or value is not a Map
     */
    @SuppressWarnings("unchecked")
    public static Map<String, Object> getMap(final Map<String, Object> map, final String key) {
        final Object value = map.get(key);
        if (value instanceof Map) {

    assertThat(map.putInstance(Integer.class, 1)).isNull();
    assertEquals(2, map.size());

    assertEquals(0, (int) map.getInstance(int.class));
    assertEquals(1, (int) map.getInstance(Integer.class));

    assertEquals(0, (int) map.putInstance(int.class, null));
    assertEquals(1, (int) map.putInstance(Integer.class, null));

    assertThat(map.getInstance(int.class)).isNull();

 *
 * Map<String, Integer> map = map("a", 1).$("b", 2).$("c", 3).$();
 * </pre>
 *
 * @author koichik
 * @param <K> the key type of the {@literal Map}
 * @param <V> the value type of the {@literal Map}
 */
public class Maps<K, V> {

    /** The target <code>Map</code> to be created. */
    protected Map<K, V> map;

    /**

        .testForwarding(
            Map.class,
            new Function<Map, Map>() {
              @Override
              public Map apply(Map delegate) {
                return wrap(delegate);
              }
            });
  }

  public void testEquals() {
    Map<Integer, String> map1 = ImmutableMap.of(1, "one");
    Map<Integer, String> map2 = ImmutableMap.of(2, "two");

            return Map.of();
        }
    }

    /**
     * Gets a nested map value from the given map.
     *
     * @param map the source map.
     * @param key the key to look up.
     * @return the map value, or {@code null} if not found or not a map.
     */
    @SuppressWarnings("unchecked")
    protected Map<String, Object> getMapValue(final Map<String, Object> map, final String key) {

  }

  @LazyInit private transient @Nullable Map<R, Map<C, V>> rowMap;

  @Override
  public Map<R, Map<C, V>> rowMap() {
    Map<R, Map<C, V>> result = rowMap;
    return (result == null) ? rowMap = createRowMap() : result;
  }

  Map<R, Map<C, V>> createRowMap() {
    return new RowMap();
  }

  @WeakOuter
  class RowMap extends ViewCachingAbstractMap<R, Map<C, V>> {
    @Override