igarashi <******@****.***> 1581494141 +0900

	// map of STS access key to policy names
	iamSTSPolicyMap *xsync.MapOf[string, MappedPolicy]

	// map of group names to group info
	iamGroupsMap map[string]GroupInfo
	// map of user names to groups they are a member of
	iamUserGroupMemberships map[string]set.StringSet
	// map of group names to policy names
	iamGroupPolicyMap *xsync.MapOf[string, MappedPolicy]
}

func newIamCache() *iamCache {

    final Map<K, V> map;

    MapMultimap(Map<K, V> map) {
      this.map = checkNotNull(map);
    }

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

    @Override
    public boolean containsKey(@CheckForNull Object key) {
      return map.containsKey(key);
    }

    @Override

    assertNull(map.comparator());
  }

  public void testTreeMapDerived() {
    TreeMap<Derived, Integer> map = Maps.newTreeMap();
    assertEquals(Collections.emptyMap(), map);
    map.put(new Derived("foo"), 1);
    map.put(new Derived("bar"), 2);
    assertThat(map.keySet()).containsExactly(new Derived("bar"), new Derived("foo")).inOrder();
    assertThat(map.values()).containsExactly(2, 1).inOrder();
    assertNull(map.comparator());

    assertNull(map.comparator());
  }

  public void testTreeMapDerived() {
    TreeMap<Derived, Integer> map = Maps.newTreeMap();
    assertEquals(Collections.emptyMap(), map);
    map.put(new Derived("foo"), 1);
    map.put(new Derived("bar"), 2);
    assertThat(map.keySet()).containsExactly(new Derived("bar"), new Derived("foo")).inOrder();
    assertThat(map.values()).containsExactly(2, 1).inOrder();
    assertNull(map.comparator());

    public CleanupMapTask(MapMakerInternalMap<?, ?, ?, ?> map) {
      this.mapReference = new WeakReference<>(map);
    }

    @Override
    public void run() {
      MapMakerInternalMap<?, ?, ?, ?> map = mapReference.get();
      if (map == null) {
        throw new CancellationException();
      }

      for (Segment<?, ?, ?, ?> segment : map.segments) {
        segment.runCleanup();
      }

        @SuppressWarnings("unchecked")
        Map<String, List<String>> map = (Map<String, List<String>>) propMap.get(DEFAULT_LABEL_VALUES);
        if (map == null) {
            final String value = getSystemProperty(Constants.DEFAULT_LABEL_VALUE_PROPERTY);
            if (StringUtil.isBlank(value)) {
                map = Collections.emptyMap();
            } else {

    // Hack around K not being a subtype of Comparable.
    // Unsafe, see ImmutableSortedSetFauxverideShim.
    @SuppressWarnings("unchecked")
    Ordering<K> naturalOrder = (Ordering<K>) NATURAL_ORDER;
    return copyOfInternal(map, naturalOrder);
  }

  /**
   * Returns an immutable map containing the same entries as {@code map}, with keys sorted by the

    // Hack around K not being a subtype of Comparable.
    // Unsafe, see ImmutableSortedSetFauxverideShim.
    @SuppressWarnings("unchecked")
    Ordering<K> naturalOrder = (Ordering<K>) NATURAL_ORDER;
    return copyOfInternal(map, naturalOrder);
  }

  /**
   * Returns an immutable map containing the same entries as {@code map}, with keys sorted by the

    }

    @Override
    public Map<R, Map<C, V>> rowMap() {
      synchronized (mutex) {
        return map(
            Maps.transformValues(
                delegate().rowMap(),
                new com.google.common.base.Function<Map<C, V>, Map<C, V>>() {
                  @Override
                  public Map<C, V> apply(Map<C, V> t) {
                    return map(t, mutex);
                  }