ReadonlyratioFraction complete in the range [0, 1].
ReadonlytotalTotal bytes to transfer (the file size).
ReadonlytotalTotal number of chunks the file is split into.
ReadonlytransferIdentifier of the transfer this snapshot describes.
ReadonlytransferredBytes transferred so far.
ReadonlytransferredNumber of chunks transferred so far.
Immutable snapshot of a transfer's progress, emitted with TransferEvent.Progress.