if (streamId == 0) throw IOException("TYPE_RST_STREAM streamId == 0")
    val errorCodeInt = source.readInt()
    val errorCode =
      ErrorCode.fromHttp2(errorCodeInt) ?: throw IOException(
        "TYPE_RST_STREAM unexpected error code: $errorCodeInt",
      )
    handler.rstStream(streamId, errorCode)
  }

  @Throws(IOException::class)

    stream: Http2Stream? = null,
  ): Boolean {
    if (effect == null) return false

    when (effect) {
      is CloseStream -> {
        if (stream != null) {
          stream.close(ErrorCode.fromHttp2(effect.http2ErrorCode)!!, null)
        } else {
          socket.close()
        }
      }

      ShutdownConnection -> {
        if (stream != null) {