UpdateSpeedLimitNotification¶
Download or upload file speed for the user was limited, but it can be restored by subscription to Telegram Premium. The notification can be postponed until a file being downloaded or uploaded is visible to the user. Use getOption("premium_download_speedup") or getOption("premium_upload_speedup") to get expected speedup after subscription to Telegram Premium
UpdateSpeedLimitNotification(
is_upload: Bool
) → Update