public Task BackupAsync(BackupOption option, TimeSpan timeout, CancellationToken cancellationToken, Func <BackupInfo, CancellationToken, Task <bool> > backupCallback)
{
string stateBin = Path.Combine(Path.GetTempPath(), "state.bin");
using (var fs = File.Create(stateBin))
{
_store.Serialize(fs);
}
var info = new BackupInfo(Path.GetDirectoryName(stateBin), option, new BackupInfo.BackupVersion());
return(backupCallback(info, CancellationToken.None));
}
