private var maxFrameSize: Int = INITIAL_MAX_FRAME_SIZE
  private var closed: Boolean = false
  val hpackWriter: Hpack.Writer = Hpack.Writer(out = hpackBuffer)

  @Throws(IOException::class)
  fun connectionPreface() {
    this.withLock {
      if (closed) throw IOException("closed")
      if (!client) return // Nothing to write; servers don't send connection headers!
      if (logger.isLoggable(FINE)) {

    fun socketPolicy(socketPolicy: SocketPolicy) =
      apply {
        this.socketPolicy = socketPolicy
      }

    /**
     * Throttles the request reader and response writer to sleep for the given period after each
     * series of [bytesPerPeriod] bytes are transferred. Use this to simulate network behavior.
     */
    fun throttleBody(
      bytesPerPeriod: Long,
      period: Long,

      } catch (_: NumberFormatException) {
        invalidLengths(strings)
      }
    }

    /** Append space-prefixed lengths to [writer]. */
    @Throws(IOException::class)
    internal fun writeLengths(writer: BufferedSink) {
      for (length in lengths) {
        writer.writeByte(' '.code).writeDecimalLong(length)
      }
    }

    @Throws(IOException::class)

HSPLokhttp3/internal/http2/Hpack$Reader;->readInt(II)I
HSPLokhttp3/internal/http2/Hpack$Writer;-><init>(IZLokio/Buffer;I)V
HSPLokhttp3/internal/http2/Hpack$Writer;->evictToRecoverBytes(I)I
HSPLokhttp3/internal/http2/Hpack$Writer;->insertIntoDynamicTable(Lokhttp3/internal/http2/Header;)V
HSPLokhttp3/internal/http2/Hpack$Writer;->writeByteString(Lokio/ByteString;)V
HSPLokhttp3/internal/http2/Hpack$Writer;->writeHeaders(Ljava/util/List;)V

    assertFailsWith<IllegalStateException> {
      abort()
    }
  }

  private fun Editor.setString(
    index: Int,
    value: String,
  ) {
    newSink(index).buffer().use { writer ->
      writer.writeUtf8(value)
    }
  }

   * already split off another thread to stream the request body. Because we permit at most one
   * exchange at a time we break the request stream out from under that writer.
   */
  @Test
  fun duplexWithRedirect() {
    enableProtocol(Protocol.HTTP_2)
    val duplexResponseSent = CountDownLatch(1)
    listener =
      object : RecordingEventListener() {

    val newMaxFrameSize = 16777215
    val writer = Http2Writer(Buffer(), true)
    writer.applyAndAckSettings(Settings().set(Settings.MAX_FRAME_SIZE, newMaxFrameSize))
    assertThat(writer.maxDataLength()).isEqualTo(newMaxFrameSize)
    writer.frameHeader(0, newMaxFrameSize, Http2.TYPE_DATA, FLAG_NONE)
  }

  @Test fun streamIdHasReservedBit() {
    val writer = Http2Writer(Buffer(), true)

In OkHttp we expose a blocking API over a framed protocol. This document explains the code and policy that makes that work.

### Threads

#### Application's calling thread

    "@webassemblyjs/ieee754" "1.11.6"
    "@webassemblyjs/leb128" "1.11.6"
    "@webassemblyjs/utf8" "1.11.6"

"@webassemblyjs/wast-printer@1.11.6":
  version "1.11.6"
  resolved "https://registry.yarnpkg.com/@webassemblyjs/wast-printer/-/wast-printer-1.11.6.tgz#a7bf8dd7e362aeb1668ff43f35cb849f188eff20"
  integrity sha512-JM7AhRcE+yW2GWYaKeHL5vt4xqee5N2WcezptmgyhNS+ScggqcT1OtXykhAb13Sn5Yas0j2uv9tHgrjwvzAP4A==

  }

  fun getMaxHeaderListSize(defaultValue: Int): Int {
    val bit = 1 shl MAX_HEADER_LIST_SIZE
    return if (bit and set != 0) values[MAX_HEADER_LIST_SIZE] else defaultValue
  }

  /**
   * Writes `other` into this. If any setting is populated by this and `other`, the
   * value and flags from `other` will be kept.
   */
  fun merge(other: Settings) {
    for (i in 0 until COUNT) {
      if (!other.isSet(i)) continue