result.write(box.copy(), 1)
    }
    return result
  }

  tailrec fun File.isDescendentOf(directory: File): Boolean {
    val parentFile = parentFile ?: return false
    if (parentFile == directory) return true
    return parentFile.isDescendentOf(directory)
  }

  /**
   * See FinalizationTester for discussion on how to best trigger GC in tests.

    assertCached(false, 101)
    assertCached(true, 200)
    assertCached(false, 201)
    assertCached(false, 202)
    assertCached(true, 203)
    assertCached(true, 204)
    assertCached(false, 205)
    assertCached(false, 206) // Electing to not cache partial responses
    assertCached(false, 207)
    assertCached(true, 300)
    assertCached(true, 301)
    assertCached(true, 302)
    assertCached(false, 303)

    internal var eventListenerFactory: EventListener.Factory = EventListener.NONE.asFactory()
    internal var retryOnConnectionFailure = true
    internal var fastFallback = true
    internal var authenticator: Authenticator = Authenticator.NONE
    internal var followRedirects = true
    internal var followSslRedirects = true
    internal var cookieJar: CookieJar = CookieJar.NO_COOKIES
    internal var cache: Cache? = null

    _failedRoutes.add(failedRoute)
  }

  /** Records success connecting to [route]. */
  @Synchronized fun connected(route: Route) {
    _failedRoutes.remove(route)
  }

  /** Returns true if [route] has failed recently and should be avoided. */
  @Synchronized fun shouldPostpone(route: Route): Boolean = route in _failedRoutes

   * executor service. Must not be called with synchronization because executing calls can call
   * into user code.
   *
   * @return true if the dispatcher is currently running calls.
   */
  private fun promoteAndExecute(): Boolean {
    lock.assertNotHeld()

    val executableCalls = mutableListOf<AsyncCall>()
    val isRunning: Boolean

 * The mappings data contains non-ASCII characters.
 */
internal class IdnaMappingTable internal constructor(
  val sections: String,
  val ranges: String,
  val mappings: String,
) {
  /**
   * Returns true if the [codePoint] was applied successfully. Returns false if it was disallowed.
   */
  fun map(
    codePoint: Int,
    sink: BufferedSink,
  ): Boolean {
    val sectionsIndex = findSectionsIndex(codePoint)

val Response.commonIsRedirect: Boolean
  get() =
    when (code) {
      HTTP_PERM_REDIRECT, HTTP_TEMP_REDIRECT, HTTP_MULT_CHOICE, HTTP_MOVED_PERM, HTTP_MOVED_TEMP, HTTP_SEE_OTHER -> true
      else -> false
    }

val Response.commonCacheControl: CacheControl
  get() {
    var result = lazyCacheControl
    if (result == null) {
      result = CacheControl.parse(headers)

where it's available.

To opt-in, configure your `OkHttpClient.Builder`:


```
OkHttpClient client = new OkHttpClient.Builder()
    .fastFallback(true)
    .build();
```

 *  New: Change the build from Kotlin-JVM to Kotlin-multiplatform (which includes JVM). Both
    native and JavaScript platforms are unstable preview releases and subject to

  "RedundantExplicitType",
  "IMPLICIT_NOTHING_AS_TYPE_PARAMETER",
)
@Disabled
class KotlinSourceModernTest {
  private val factory = TestValueFactory()

  @BeforeEach
  fun disabled() {
    assumeFalse(true)
  }

  @AfterEach
  fun tearDown() {
    factory.close()
  }

  @Test
  fun address() {
    val address: Address = factory.newAddress()
    val url: HttpUrl = address.url

    peer.acceptFrame() // PING
    peer.sendFrame().ping(true, Http2Connection.AWAIT_PING, 0)
    peer.acceptFrame() // DATA STREAM 3
    peer.play()

    // Play it back.
    val connection = connect(peer)
    val stream1 = connection.newStream(headerEntries("a", "android"), true)
    val stream2 = connection.newStream(headerEntries("b", "banana"), true)