*/
@ElementTypesAreNonnullByDefault
final class LittleEndianByteArray {

  /** The instance that actually does the work; delegates to Unsafe or a pure-Java fallback. */
  private static final LittleEndianBytes byteArray;

  /**
   * Load 8 bytes into long in a little endian manner, from the substring between position and
   * position + 8. The array must have at least 8 bytes from offset (inclusive).
   *

    }
  }

  @Test
  fun interruptReadingResponseBody() {
    val responseBodySize = 8 * 1024 * 1024 // 8 MiB.
    server.enqueue(
      MockResponse()
        .setBody(Buffer().write(ByteArray(responseBodySize)))
        .throttleBody((64 * 1024).toLong(), 125, TimeUnit.MILLISECONDS),
    ) // 500 Kbps
    server.start()
    val call =
      client.newCall(
        Request.Builder()

 */
internal fun canonicalizeInetAddress(address: ByteArray): ByteArray {
  return when {
    isMappedIpv4Address(address) -> address.sliceArray(12 until 16)
    else -> address
  }
}

/** Returns true for IPv6 addresses like `0000:0000:0000:0000:0000:ffff:XXXX:XXXX`. */
private fun isMappedIpv4Address(address: ByteArray): Boolean {
  if (address.size != 16) return false

  for (i in 0 until 10) {

  // PublicSuffixListGenerator class for how these lists are generated.
  // Guarded by this.
  private lateinit var publicSuffixListBytes: ByteArray
  private lateinit var publicSuffixExceptionListBytes: ByteArray

  /**
   * Returns the effective top-level domain plus one (eTLD+1) by referencing the public suffix list.
   * Returns null if the domain is a public suffix or a private address.
   *

    }
  }

  @Test fun readPaddedDataFrame() {
    val dataLength = 1123
    val expectedData = ByteArray(dataLength)
    Arrays.fill(expectedData, 2.toByte())
    val paddingLength = 254
    val padding = ByteArray(paddingLength)
    Arrays.fill(padding, 0.toByte())
    writeMedium(frame, dataLength + paddingLength + 1)
    frame.writeByte(Http2.TYPE_DATA)

  private var writerClosed = false

  /** Lazily initialized on first use. */
  private var messageDeflater: MessageDeflater? = null

  // Masks are only a concern for client writers.
  private val maskKey: ByteArray? = if (isClient) ByteArray(4) else null
  private val maskCursor: Buffer.UnsafeCursor? = if (isClient) Buffer.UnsafeCursor() else null

  /** Send a ping with the supplied [payload]. */
  @Throws(IOException::class)

        .body(
          Buffer()
            .write(ByteArray(responseBodySize)),
        )
        .throttleBody(64 * 1024, 125, MILLISECONDS) // 500 Kbps
        .build(),
    )
    val call = client.newCall(Request(server.url("/")))
    val response = call.execute()
    cancelLater(call, 500)
    val responseBody = response.body.byteStream()
    val buffer = ByteArray(1024)
    assertFailsWith<IOException> {

      val ttl = buf.readInt().toLong() and 0xffffffffL // ttl
      val length = buf.readShort().toInt() and 0xffff

      if (type == TYPE_A || type == TYPE_AAAA) {
        val bytes = ByteArray(length)
        buf.read(bytes)
        result.add(InetAddress.getByAddress(bytes))
      } else {
        buf.skip(length.toLong())
      }
    }

    return result
  }

    peer.sendFrame().data(false, 3, Buffer().write(ByteArray(dataLength)), dataLength)
    peer.sendFrame().data(false, 3, Buffer().write(ByteArray(dataLength)), dataLength)
    peer.sendFrame().data(false, 3, Buffer().write(ByteArray(dataLength)), dataLength)
    peer.sendFrame().data(false, 3, Buffer().write(ByteArray(dataLength)), dataLength)
    peer.sendFrame().data(false, 3, Buffer().write(ByteArray(1)), 1)

  }

  @Test
  fun canonicalizeInetAddressIPv6RepresentationOfCompatibleIPV4() {
    val addressAIpv6 = decodeIpv6("::192.168.0.1")!!
    assertThat(canonicalizeInetAddress(addressAIpv6)).isEqualTo(
      ByteArray(12) +
        byteArrayOf(
          192.toByte(),
          168.toByte(),
          0,
          1,
        ),
    )
  }

  @Test
  fun canonicalizeInetAddressIPv6RepresentationOfMappedIPV4() {