public class MappedList<U, V> extends AbstractList<U> {
    private final List<V> list;
    private final Function<V, U> mapper;

    public MappedList(List<V> list, Function<V, U> mapper) {
        this.list = list;
        this.mapper = mapper;
    }

    @Override
    public U get(int index) {
        return mapper.apply(list.get(index));
    }

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

    // check upper case
    mappedStr = "::FFFF:192.168.0.1";
    assertTrue(InetAddresses.isMappedIPv4Address(mappedStr));
    mapped = InetAddresses.forString(mappedStr);
    assertThat(mapped).isNotInstanceOf(Inet6Address.class);
    assertEquals(InetAddress.getByName("192.168.0.1"), mapped);

    mappedStr = "0:00:000:0000:0:ffff:1.2.3.4";
    assertTrue(InetAddresses.isMappedIPv4Address(mappedStr));

      )
  }

  return result
}

internal fun canonicalizeType(type: Int): Int {
  return when (type) {
    TYPE_IGNORED -> TYPE_IGNORED

    TYPE_MAPPED,
    TYPE_DISALLOWED_STD3_MAPPED,
    -> TYPE_MAPPED

    TYPE_DEVIATION,
    TYPE_DISALLOWED_STD3_VALID,
    TYPE_VALID,
    -> TYPE_VALID

    TYPE_DISALLOWED -> TYPE_DISALLOWED

      Mapping(0x0233, 0x0239, TYPE_VALID, ByteString.EMPTY),
      Mapping(0x023a, 0x023a, TYPE_MAPPED, "b".encodeUtf8()),
    )
  }

  @Test fun simplifyDoesNotCombineWhenMappedTargetsAreDifferent() {
    assertThat(
      mergeAdjacentRanges(
        listOf(
          Mapping(0x0041, 0x0041, TYPE_MAPPED, "a".encodeUtf8()),
          Mapping(0x0042, 0x0042, TYPE_MAPPED, "b".encodeUtf8()),
        ),
      ),

 *    119 : Ignored.
 *    120 : Valid.
 *    121 : Disallowed
 *    122 : Mapped inline to the sequence: [b2].
 *    123 : Mapped inline to the sequence: [b2a].
 *    124 : Mapped inline to the sequence: [b2, b3].
 *    125 : Mapped inline to the sequence: [b2a, b3].
 *    126 : Mapped inline to the sequence: [b2, b3a].
 *    127 : Mapped inline to the sequence: [b2a, b3a].
 *
 * The range goes until the beginning of the next range.

    // check upper case
    mappedStr = "::FFFF:192.168.0.1";
    assertTrue(InetAddresses.isMappedIPv4Address(mappedStr));
    mapped = InetAddresses.forString(mappedStr);
    assertThat(mapped).isNotInstanceOf(Inet6Address.class);
    assertEquals(InetAddress.getByName("192.168.0.1"), mapped);

    mappedStr = "0:00:000:0000:0:ffff:1.2.3.4";
    assertTrue(InetAddresses.isMappedIPv4Address(mappedStr));

public class MappedList<U, V> extends AbstractList<U> {
    private final List<V> list;
    private final Function<V, U> mapper;

    public MappedList(List<V> list, Function<V, U> mapper) {
        this.list = list;
        this.mapper = mapper;
    }

    @Override
    public U get(int index) {
        return mapper.apply(list.get(index));
    }

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

        }
        return clazz.cast(o);
    }

    static <U, V> List<V> map(Collection<U> list, Function<U, V> mapper) {
        return list.stream().map(mapper).collect(Collectors.toList());
    }

 *   <dd>{@code 00 00 00 00 00 00 00 00 00 00 00 00 c0 a8 00 01}
 *   <dt>An IPv6 "IPv4 mapped" address, {@code "::ffff:192.168.0.1"}.
 *   <dd>{@code 00 00 00 00 00 00 00 00 00 00 ff ff c0 a8 00 01}
 * </dl>
 *
 * <p>A few notes about IPv6 "IPv4 mapped" addresses and their observed use in Java.
 *
 * <p>"IPv4 mapped" addresses were originally a representation of IPv4 addresses for use on an IPv6

}

// MappedPolicy represents a policy name mapped to a user or group
type MappedPolicy struct {
	Version   int       `json:"version"`
	Policies  string    `json:"policy"`
	UpdatedAt time.Time `json:"updatedAt,omitempty"`
}

// mappedPoliciesToMap copies the map of mapped policies to a regular map.