builder = builder.callTimeout(0L, TimeUnit.SECONDS)
    builder = builder.callTimeout(Duration.ofSeconds(0L))
    builder = builder.connectTimeout(0L, TimeUnit.SECONDS)
    builder = builder.connectTimeout(Duration.ofSeconds(0L))
    builder = builder.readTimeout(0L, TimeUnit.SECONDS)
    builder = builder.readTimeout(Duration.ofSeconds(0L))
    builder = builder.writeTimeout(0L, TimeUnit.SECONDS)

        if (atomic == null) {
          return 0L;
        }
        // atomic is now non-null; fall through
      }

      while (true) {
        long oldValue = atomic.get();
        if (oldValue == 0L) {
          // don't compareAndSet a zero
          if (map.replace(key, atomic, new AtomicLong(delta))) {
            return 0L;
          }
          // atomic replaced

        val hasData = sendBuffer.size > 0L
        val hasTrailers = trailers != null
        when {
          hasTrailers -> {
            while (sendBuffer.size > 0L) {
              emitFrame(false)
            }
            connection.writeHeaders(id, outFinished, trailers!!.toHeaderList())
          }

          hasData -> {
            while (sendBuffer.size > 0L) {
              emitFrame(true)

  private var intervalPingsSent = 0L
  private var intervalPongsReceived = 0L
  private var degradedPingsSent = 0L
  private var degradedPongsReceived = 0L
  private var awaitPingsSent = 0L
  private var awaitPongsReceived = 0L

  /** Consider this connection to be unhealthy if a degraded pong isn't received by this time. */
  private var degradedPongDeadlineNs = 0L

        val servedMillis = servedDate?.time ?: sentRequestMillis
        val delta = servedMillis - lastModified!!.time
        return if (delta > 0L) delta / 10 else 0L
      }

      return 0L
    }

    /**
     * Returns the current age of the response, in milliseconds. The calculation is specified by RFC
     * 7234, 4.2.3 Calculating Age.
     */

package okhttp3.internal.http2.flowcontrol

class WindowCounter(
  val streamId: Int,
) {
  /** The total number of bytes consumed. */
  var total: Long = 0L
    private set

  /** The total number of bytes acknowledged by outgoing `WINDOW_UPDATE` frames. */
  var acknowledged: Long = 0L
    private set

  val unacknowledged: Long
    @Synchronized get() = total - acknowledged

  @Synchronized
  fun update(
    total: Long = 0,

        // We've chosen a connection to evict. Confirm it's still okay to be evicted, then close it.
        toEvict.withLock {
          if (toEvict.calls.isNotEmpty()) return 0L // No longer idle.
          if (toEvict.idleAtNs != toEvictIdleAtNs) return 0L // No longer oldest.
          toEvict.noNewExchanges = true
          connections.remove(toEvict)
        }
        addressStates[toEvict.route.address]?.scheduleOpener()

    val pool = factory.newConnectionPool()
    val poolApi = ConnectionPool(pool)
    val c1 = factory.newConnection(pool, routeA1, 0L)
    allocateAndLeakAllocation(poolApi, c1)
    awaitGarbageCollection()
    assertThat(pool.closeConnections(100L)).isEqualTo(0L)
    assertThat(c1.calls).isEmpty()

    // Can't allocate once a leak has been detected.
    assertThat(c1.noNewExchanges).isTrue()
  }

    val buffer = Buffer()
    var receivedByteCount = 0L

    @Throws(IOException::class)
    override fun write(
      source: Buffer,
      byteCount: Long,
    ) {
      val toRead = minOf(remainingByteCount, byteCount)
      if (toRead > 0L) {
        source.read(buffer, toRead)
      }
      val toSkip = byteCount - toRead
      if (toSkip > 0L) {
        source.skip(toSkip)
      }

      for (RoundingMode mode : ALL_ROUNDING_MODES) {
        assertEquals(0L, LongMath.divide(0L, q, mode));
      }
    }
  }

  @GwtIncompatible // TODO
  public void testDivByZeroAlwaysFails() {
    for (long p : ALL_LONG_CANDIDATES) {
      for (RoundingMode mode : ALL_ROUNDING_MODES) {
        try {
          LongMath.divide(p, 0L, mode);
          fail("Expected ArithmeticException");