.build()
    assertThat(body.parts.size).isEqualTo(1)
    val part1Buffer = Buffer()
    val part1 = body.part(0)
    part1.body.writeTo(part1Buffer)
    assertThat(part1.headers).isEqualTo(headersOf("Foo", "Bar"))
    assertThat(part1Buffer.readUtf8()).isEqualTo("Baz")
  }

  @Test
  fun nonAsciiFilename() {
    val expected =
      """
      |--AaB03x

            writer: DerWriter,
            value: Long,
          ) {
            val string = formatUtcTime(value)
            return writer.writeUtf8(string)
          }
        },
    )

  internal fun parseUtcTime(string: String): Long {
    val utc = TimeZone.getTimeZone("GMT")
    val dateFormat =
      SimpleDateFormat("yyMMddHHmmss'Z'").apply {
        timeZone = utc

 * [UTS #46]: https://www.unicode.org/reports/tr46/
 */
object Punycode {
  val PREFIX_STRING = "xn--"
  val PREFIX = PREFIX_STRING.encodeUtf8()

  private const val BASE = 36
  private const val TMIN = 1
  private const val TMAX = 26
  private const val SKEW = 38
  private const val DAMP = 700
  private const val INITIAL_BIAS = 72
  private const val INITIAL_N = 0x80

  /**

import okhttp3.TlsVersion
import okio.Buffer

class RecordedRequest {
  val requestLine: String
  val headers: Headers
  val chunkSizes: List<Int>
  val bodySize: Long
  val body: Buffer
  val sequenceNumber: Int
  val failure: IOException?
  val method: String?
  val path: String?
  val handshake: Handshake?
  val requestUrl: HttpUrl?

  @get:JvmName("-deprecated_utf8Body")
  @Deprecated(

  @Test
  fun computeIfAbsentWhenEmpty() {
    val tags = EmptyTags
    val atomicTags = AtomicReference<Tags>(tags)
    assertThat(atomicTags.computeIfAbsent(String::class) { "a" }).isEqualTo("a")
    assertThat(atomicTags.get()[String::class]).isEqualTo("a")
  }

  @Test
  fun computeIfAbsentWhenPresent() {
    val tags = EmptyTags.plus(String::class, "a")
    val atomicTags = AtomicReference(tags)

    headers = mapOf("" to "").toHeaders()
    val get: String? = headers[""]
    val date: Date? = headers.getDate("")
    val instant: Instant? = headers.getInstant("")
    val size: Int = headers.size
    val name: String = headers.name(0)
    val value: String = headers.value(0)
    val names: Set<String> = headers.names()
    val values: List<String> = headers.values("")
    val byteCount: Long = headers.byteCount()

   */
  @get:JvmName("sMaxAgeSeconds") val sMaxAgeSeconds: Int,
  val isPrivate: Boolean,
  val isPublic: Boolean,
  @get:JvmName("mustRevalidate") val mustRevalidate: Boolean,
  @get:JvmName("maxStaleSeconds") val maxStaleSeconds: Int,
  @get:JvmName("minFreshSeconds") val minFreshSeconds: Int,
  /**

    val actual = component.encodedValue(url)
    if (actual != expected) {
      fail("Encoding $component $codePoint using $encoding: '$actual' != '$expected'")
    }
  }

  private fun testEncodeAndDecode(
    codePoint: Int,
    codePointString: String,
    component: Component,
  ) {
    val builder = "http://host/".toHttpUrl().newBuilder()
    component[builder] = codePointString

    val generatedBucketsJson = File(System.getProperty("outputBucketSplitJson", "./test-buckets.json"))

    FunctionalTestBucketGenerator(model, testClassDataJson).generate(generatedBucketsJson)
}

class FunctionalTestBucketGenerator(
    private val model: CIBuildModel,
    testTimeDataJson: File,
) {
    private val gson: Gson = GsonBuilder().setPrettyPrinting().create()

 */
class DnsOverHttps internal constructor(
  @get:JvmName("client") val client: OkHttpClient,
  @get:JvmName("url") val url: HttpUrl,
  @get:JvmName("includeIPv6") val includeIPv6: Boolean,
  @get:JvmName("post") val post: Boolean,
  @get:JvmName("resolvePrivateAddresses") val resolvePrivateAddresses: Boolean,
  @get:JvmName("resolvePublicAddresses") val resolvePublicAddresses: Boolean,
) : Dns {
  @Throws(UnknownHostException::class)