/**
   * Inform peer that an additional `windowSizeIncrement` bytes can be sent on `streamId`, or the
   * connection if `streamId` is zero.
   */
  @Throws(IOException::class)
  fun windowUpdate(
    streamId: Int,
    windowSizeIncrement: Long,
  ) {
    this.withLock {
      if (closed) throw IOException("closed")
      require(windowSizeIncrement != 0L && windowSizeIncrement <= 0x7fffffffL) {

    }.also { expected ->
      assertThat(expected.message)
        .isEqualTo("windowSizeIncrement == 0 || windowSizeIncrement > 0x7fffffffL: 0")
    }
    assertFailsWith<IllegalArgumentException> {
      windowUpdate(0x80000000L)
    }.also { expected ->
      assertThat(expected.message)
        .isEqualTo("windowSizeIncrement == 0 || windowSizeIncrement > 0x7fffffffL: 2147483648")
    }
  }

      errorCode: ErrorCode,
      debugData: ByteString,
    )

    /**
     * Notifies that an additional `windowSizeIncrement` bytes can be sent on `streamId`, or the
     * connection if `streamId` is zero.
     */
    fun windowUpdate(
      streamId: Int,
      windowSizeIncrement: Long,
    )

    /**
     * Called when reading a headers or priority frame. This may be used to change the stream's

          removeStream(http2Stream.id)
        }
      }
    }

    override fun windowUpdate(
      streamId: Int,
      windowSizeIncrement: Long,
    ) {
      if (streamId == 0) {
        ******@****.***ck {
          writeBytesMaximum += windowSizeIncrement
          condition.signalAll()
        }
      } else {
        val stream = getStream(streamId)
        if (stream != null) {