}

  public void testCopyOf_map_empty() {
    Map<Class<?>, Object> in = emptyMap();
    ClassToInstanceMap<Object> map = ImmutableClassToInstanceMap.copyOf(in);
    assertTrue(map.isEmpty());
    assertSame(map, ImmutableClassToInstanceMap.of());
    assertSame(map, ImmutableClassToInstanceMap.copyOf(map));
  }

  public void testOf_zero() {

                final Map<String, Object> map = new HashMap<>();
                final Item item = result.get();
                final String objectName = item.objectName();
                map.put("id", encodeId(objectName));
                map.put("path", prefix);
                map.put("name", getName(objectName));
                map.put("hashCode", item.hashCode());

	// 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 {

    Map<Integer, String> map = CompactLinkedHashMap.create();
    map.put(1, "a");
    map.put(4, "b");
    map.put(3, "d");
    map.put(2, "c");
    map.remove(4);
    testHasMapEntriesInOrder(map, 1, "a", 3, "d", 2, "c");
  }

  public void testInsertionOrderAfterRemoveLastEntry() {
    Map<Integer, String> map = CompactLinkedHashMap.create();
    map.put(1, "a");
    map.put(4, "b");

     * @param callback The function to resolve variable values not found in the map.
     * @param defaultsToEmpty If true, unresolved placeholders are replaced with empty strings. If false, they are left unchanged.
     */
    default void interpolate(
            @Nonnull Map<String, String> map, @Nullable UnaryOperator<String> callback, boolean defaultsToEmpty) {

  }

  public void testCreateFromMap() {
    /* Test with non-empty Map. */
    Map<Currency, String> map =
        ImmutableMap.of(
            Currency.DOLLAR, "dollar",
            Currency.PESO, "peso",
            Currency.FRANC, "franc");
    EnumHashBiMap<Currency, String> bimap = EnumHashBiMap.create(map);
    assertEquals("dollar", bimap.get(Currency.DOLLAR));

  @VisibleForTesting
  @Nullable Map<K, V> delegateOrNull() {
    if (table instanceof Map) {
      return (Map<K, V>) table;
    }
    return null;
  }

  Map<K, V> createHashFloodingResistantDelegate(int tableSize) {
    return new LinkedHashMap<>(tableSize, 1.0f);
  }

  @CanIgnoreReturnValue
  Map<K, V> convertToHashFloodingResistantImplementation() {

    private final ImmutableMap<TypeVariableKey, Type> map;

    TypeTable() {
      this.map = ImmutableMap.of();
    }

    private TypeTable(ImmutableMap<TypeVariableKey, Type> map) {
      this.map = map;
    }

    /** Returns a new {@code TypeResolver} with {@code variable} mapping to {@code type}. */
    final TypeTable where(Map<TypeVariableKey, ? extends Type> mappings) {

        int written = trans2QueryFSInfo.writeParametersWireFormat(buffer, 0);

        // Should write 2 bytes: information level
        assertEquals(2, written);

        // Check information level (SMB_INFO_ALLOCATION maps to 0x0001)
        int actualInfoLevel = SMBUtil.readInt2(buffer, 0);
        assertEquals(0x0001, actualInfoLevel);
    }

    @Test
    @DisplayName("Test writeParametersWireFormat with FS_SIZE_INFO")

        assertEquals(6, written);

        // Check FID
        int actualFid = SMBUtil.readInt2(buffer, 0);
        assertEquals(TEST_FID, actualFid);

        // Check information level (FILE_BASIC_INFO maps to 0x0101)
        int actualInfoLevel = SMBUtil.readInt2(buffer, 2);
        assertEquals(0x0101, actualInfoLevel);

        // Check reserved bytes (should be 0)
        int reserved = SMBUtil.readInt2(buffer, 4);