@Deprecated(
    message = "moved to var",
    replaceWith = ReplaceWith(expression = "http2ErrorCode"),
    level = DeprecationLevel.ERROR,
  )
  fun getHttp2ErrorCode(): Int = http2ErrorCode

  fun setHttp2ErrorCode(http2ErrorCode: Int) =
    apply {
      this.http2ErrorCode = http2ErrorCode
    }

  fun throttleBody(
    bytesPerPeriod: Long,
    period: Long,
    unit: TimeUnit,