* @method string getFileId() Identifier for this file, which can be used to download or reuse the file
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* @method string getFileUniqueId() Unique identifier for this file, which is supposed to be the same over time and for different bots. Can't be used to download or reuse the file.
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* @method int getLength() Video width and height as defined by sender
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* @method int getDuration() Duration of the audio in seconds as defined by sender
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* @method PhotoSize getThumb() Optional. Video thumbnail as defined by sender