File
Parameters
fileId
Identifier for this file, which can be used to download or reuse the file
fileUniqueId
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.
fileSize
Optional. File size, if known
filePath
Optional. File path. Use https://api.telegram.org/file/bot<token>/<file_path> to get the file.