streamId: Int,
    byteCount: Long,
  ) {
    var byteCount = byteCount
    while (byteCount > 0L) {
      val length = minOf(maxFrameSize.toLong(), byteCount)
      byteCount -= length
      frameHeader(
        streamId = streamId,
        length = length.toInt(),
        type = TYPE_CONTINUATION,
        flags = if (byteCount == 0L) FLAG_END_HEADERS else 0,
      )

  }

  override fun requestBodyStart(call: Call) {
    logWithTime("requestBodyStart")
  }

  override fun requestBodyEnd(
    call: Call,
    byteCount: Long,
  ) {
    logWithTime("requestBodyEnd: byteCount=$byteCount")
  }

  override fun requestFailed(
    call: Call,
    ioe: IOException,
  ) {
    logWithTime("requestFailed: $ioe")
  }

  }

  override fun requestBodyStart(call: Call) {
    logWithTime("requestBodyStart")
  }

  override fun requestBodyEnd(
    call: Call,
    byteCount: Long,
  ) {
    logWithTime("requestBodyEnd: byteCount=$byteCount")
  }

  override fun requestFailed(
    call: Call,
    ioe: IOException,
  ) {
    logWithTime("requestFailed: $ioe")
  }

    @Throws(IOException::class)
    override fun write(
      source: Buffer,
      byteCount: Long,
    ) {
      check(!closed) { "closed" }
      if (contentLength != -1L && bytesReceived + byteCount > contentLength) {
        throw ProtocolException(
          "expected $contentLength bytes but received ${bytesReceived + byteCount}",
        )
      }
      try {
        if (invokeStartEvent) {

  fun writeData(
    streamId: Int,
    outFinished: Boolean,
    buffer: Buffer?,
    byteCount: Long,
  ) {
    // Empty data frames are not flow-controlled.
    if (byteCount == 0L) {
      writer.data(outFinished, streamId, buffer, 0)
      return
    }

    var byteCount = byteCount
    while (byteCount > 0L) {
      var toWrite: Int
      withLock {
        try {

    internal var closed: Boolean = false

    @Throws(IOException::class)
    override fun read(
      sink: Buffer,
      byteCount: Long,
    ): Long {
      require(byteCount >= 0L) { "byteCount < 0: $byteCount" }

      while (true) {
        var tryAgain = false
        var readBytesDelivered = -1L
        var errorExceptionToDeliver: IOException? = null

        private long totalBytesWritten = 0L;
        private boolean completed = false;

        @Override
        public void write(Buffer source, long byteCount) throws IOException {
          super.write(source, byteCount);
          totalBytesWritten += byteCount;
          progressListener.update(totalBytesWritten, contentLength(), completed);
        }

        @Override
        public void close() throws IOException {

      }
    }

    override fun read(
      sink: Buffer,
      byteCount: Long,
    ): Long {
      require(byteCount >= 0L) { "byteCount < 0: $byteCount" }
      check(!closed) { "closed" }
      if (bytesRemaining == 0L) return -1

      val read = super.read(sink, minOf(bytesRemaining, byteCount))
      if (read == -1L) {

import okhttp3.Headers.Companion.toHeaders
import org.junit.jupiter.api.Test

class HeadersJvmTest {
  @Test fun byteCount() {
    assertThat(Headers.EMPTY.byteCount()).isEqualTo(0L)
    assertThat(
      Headers
        .Builder()
        .add("abc", "def")
        .build()
        .byteCount(),
    ).isEqualTo(10L)
    assertThat(
      Headers
        .Builder()
        .add("abc", "def")

      }

      override fun read(
        sink: Buffer,
        byteCount: Long,
      ): Long {
        require(byteCount >= 0L) { "byteCount < 0: $byteCount" }
        check(currentPart == this) { "closed" }

        return source.timeout().intersectWith(timeout) {
          when (val limit = currentPartBytesRemaining(maxByteCount = byteCount)) {
            0L -> -1L // No more bytes in this part.