NewStream(ctx context.Context, h HandlerID, payload []byte) (st *Stream, err error)
}

// Call the remove with the request and
func (h *StreamTypeHandler[Payload, Req, Resp]) Call(ctx context.Context, c Streamer, payload Payload) (st *TypedStream[Req, Resp], err error) {
	if c == nil {
		return nil, ErrDisconnected
	}
	var payloadB []byte
	if h.WithPayload {
		var err error

		for _, payload := range tc.payloads {
			writer.Write(payload, nil)

			checkVolumeContents(targetDir, tc.name, payload, t)
		}
	}
}

func checkVolumeContents(targetDir, tcName string, payload map[string]FileProjection, t *testing.T) {
	dataDirPath := filepath.Join(targetDir, dataDirName)
	// use filepath.Walk to reconstruct the payload, then deep equal

	"istio.io/istio/tests/common/jwt"
)

// TestRequestAuthentication tests beta authn policy for jwt.
func TestRequestAuthentication(t *testing.T) {
	payload1 := strings.Split(jwt.TokenIssuer1, ".")[1]
	payload2 := strings.Split(jwt.TokenIssuer2, ".")[1]
	payload3 := strings.Split(jwt.TokenIssuer1WithNestedClaims2, ".")[1]
	framework.NewTest(t).
		Label(label.IPv4). // https://github.com/istio/istio/issues/35835

		progressTicker.Stop()
	}

	// Whatever drain the payloadCh to prevent from memory leaking.
	for len(writer.payloadCh) > 0 {
		payload := <-writer.payloadCh
		bufPool.Put(payload)
	}
}

// Sends a single whole record.
func (writer *messageWriter) SendRecord(payload *bytes.Buffer) error {
	select {
	case writer.payloadCh <- payload:
		return nil
	case <-writer.doneCh:

      requireSettings = false,
      object : BaseTestHandler() {
        override fun ping(
          ack: Boolean,
          payload1: Int,
          payload2: Int,
        ) {
          assertThat(ack).isTrue()
          assertThat(payload1).isEqualTo(expectedPayload1)
          assertThat(payload2).isEqualTo(expectedPayload2)
        }
      },
    )
  }

  @Test fun maxLengthDataFrame() {

  ) {
    if (length != 8) throw IOException("TYPE_PING length != 8: $length")
    if (streamId != 0) throw IOException("TYPE_PING streamId != 0")
    val payload1 = source.readInt()
    val payload2 = source.readInt()
    val ack = flags and FLAG_ACK != 0
    handler.ping(ack, payload1, payload2)
  }

  @Throws(IOException::class)
  private fun readGoAway(
    handler: Handler,
    length: Int,
    flags: Int,

	errFatal(local.RegisterSingleHandler(handlerTest, func(payload []byte) ([]byte, *RemoteErr) {
		t.Log("1: server payload: ", len(payload), "bytes.")
		return append([]byte{}, payload...), nil
	}))
	// 2: Return as error
	errFatal(local.RegisterSingleHandler(handlerTest2, func(payload []byte) ([]byte, *RemoteErr) {
		t.Log("2: server payload: ", len(payload), "bytes.")
		err := RemoteErr(payload)
		return nil, &err
	}))

    }
  }

  /**
   * Send a connection-level ping to the peer. `ack` indicates this is a reply. The data in
   * `payload1` and `payload2` opaque binary, and there are no rules on the content.
   */
  @Throws(IOException::class)
  fun ping(
    ack: Boolean,
    payload1: Int,
    payload2: Int,
  ) {
    this.withLock {
      if (closed) throw IOException("closed")
      frameHeader(
        streamId = 0,

    val b1 = source.readByte() and 0xff

    val isMasked = b1 and B1_FLAG_MASK != 0
    if (isMasked == isClient) {
      // Masked payloads must be read on the server. Unmasked payloads must be read on the client.
      throw ProtocolException(
        if (isClient) {
          "Server-sent frames must not be masked."
        } else {

//  <length of pkg 0>
//  <length of pkg 1>
//  ...
//  --string table------
//  <uleb128 len> 8
//  <data> "somestring"
//  ...
//  --package payloads------
//  <meta-symbol for pkg 0>
//  <meta-symbol for pkg 1>
//  ...
//
// Each package payload is a stand-alone blob emitted by the compiler,
// and does not depend on anything else in the meta-data file. In
// particular, each blob has it's own string table. Note that the