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open fun getStreakMilestoneAsync(parameters: GetStreakMilestoneParameters, cancellationSignal: CancellationSignal?, callback: WalletCallback<StreakMilestone>)
Asynchronously retrieves a single milestone for a specific streak.
Parameters
parameters
Parameters identifying the streak milestone to retrieve.
cancellation
A signal for canceling the asynchronous operation (nullable).
callback
The callback to be invoked upon completion or error.