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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _upload_folder_in_background(self, folder_path, container, ignore, upload_key, ttl=None):
 """Runs the folder upload in the background."""

        uploader = FolderUploader(folder_path, container, ignore, upload_key,
                self, ttl=ttl)
        uploader.start()