* @method string getFileId() Identifier for this file, which can be used to download or reuse the file
* @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.
* @method int getLength() Video width and height as defined by sender
* @method int getDuration() Duration of the audio in seconds as defined by sender
* @method PhotoSize getThumbnail() Optional. Video thumbnail as defined by sender