val receiveBuffer = Buffer()

    /** Buffer with readable data. Guarded by Http2Stream.this. */
    val readBuffer = Buffer()

    /**
     * Received trailers. Null unless the server has provided trailers. Undefined until the stream
     * is exhausted. Guarded by Http2Stream.this.
     */
    var trailers: Headers? = null

    /** True if the caller has closed this stream. */

        serveFile(stream, file)
      } else {
        send404(stream, path)
      }
    } catch (e: IOException) {
      Platform.get().log("Failure serving Http2Stream: " + e.message, Platform.INFO, null)
    }
  }

  private fun send404(
    stream: Http2Stream,
    path: String,
  ) {
    val responseHeaders =
      listOf(
        Header(":status", "404"),
        Header(":version", "HTTP/1.1"),

      val streamsCopy: Array<Http2Stream>
      withLock {
        streamsCopy = streams.values.toTypedArray()
        isShutdown = true
      }

      // Fail all streams created after the last good stream ID.
      for (http2Stream in streamsCopy) {
        if (http2Stream.id > lastGoodStreamId && http2Stream.isLocallyInitiated) {
          http2Stream.receiveRstStream(REFUSED_STREAM)

import okhttp3.internal.http.HttpMethod
import okhttp3.internal.http2.ErrorCode
import okhttp3.internal.http2.Header
import okhttp3.internal.http2.Http2Connection
import okhttp3.internal.http2.Http2Stream
import okhttp3.internal.immutableListOf
import okhttp3.internal.platform.Platform
import okhttp3.internal.threadFactory
import okhttp3.internal.toImmutableList
import okhttp3.internal.ws.RealWebSocket

HSPLokhttp3/internal/http2/Http2Stream$FramingSink;-><init>(Lokhttp3/internal/http2/Http2Stream;Z)V
HSPLokhttp3/internal/http2/Http2Stream$FramingSink;->close()V
HSPLokhttp3/internal/http2/Http2Stream$FramingSink;->emitFrame(Z)V
HSPLokhttp3/internal/http2/Http2Stream$FramingSink;->write(Lokio/Buffer;J)V
HSPLokhttp3/internal/http2/Http2Stream$FramingSource;-><init>(Lokhttp3/internal/http2/Http2Stream;JZ)V

  client: OkHttpClient,
  override val carrier: Carrier,
  private val chain: RealInterceptorChain,
  private val http2Connection: Http2Connection,
) : ExchangeCodec {
  @Volatile private var stream: Http2Stream? = null

  private val protocol: Protocol =
    if (Protocol.H2_PRIOR_KNOWLEDGE in client.protocols) {
      Protocol.H2_PRIOR_KNOWLEDGE
    } else {
      Protocol.HTTP_2
    }

  @Volatile

import okhttp3.internal.http2.ErrorCode
import okhttp3.internal.http2.FlowControlListener
import okhttp3.internal.http2.Http2Connection
import okhttp3.internal.http2.Http2ExchangeCodec
import okhttp3.internal.http2.Http2Stream
import okhttp3.internal.http2.Settings
import okhttp3.internal.http2.StreamResetException
import okhttp3.internal.isHealthy
import okhttp3.internal.tls.OkHostnameVerifier
import okio.Buffer

/**

    val maxConcurrentStreams = AtomicInteger()
    val listener: Http2Connection.Listener =
      object : Http2Connection.Listener() {
        override fun onStream(stream: Http2Stream): Unit = throw AssertionError()

        override fun onSettings(
          connection: Http2Connection,
          settings: Settings,
        ) {