peerInfo.Confirm.ClearHistory.User

This will delete all messages and media in this chat from your Telegram cloud. Your chat partner will still have them.
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此操作将会从您的 Telegram 云端中删除此聊天中的所有消息和媒体,且消息不会从对方的记录中删除。
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Taylor Fung, Feb 5, 2020 at 16:22