# Functions
NewLegitimizeFileApi As a constructor to legitimize file API.
NewPresignedURLApi As a constructor to get pre-signed URL.
NewUploadApi As a constructor to upload file.
NewUploadFileApi As a constructor to upload file.
# Structs
LegitimizeFileApi API struct.
PresignedURLApi API struct.
UploadApi API struct.
UploadFileApi API struct.