@interface MBSourceDeviceTransferTask : MBDeviceTransferTask - (void)_cancel; - (long long)taskType; - (void)start; - (void)resume; - (void)cancel; - (void)_finishWithError:(id)a0; - (id)initWithFileTransferSession:(id)a0; - (void)manager:(id)a0 didFinishDeviceTransferKeychainTransfer:(id)a1; - (void)manager:(id)a0 didFinishDeviceTransferPreflight:(id)a1 error:(id)a2; - (void)manager:(id)a0 didFinishDeviceTransferWithError:(id)a1; - (void)manager:(id)a0 didUpdateDeviceTransferProgress:(id)a1; - (BOOL)_startWithError:(id *)a0; - (void)_shortenPrebuddyExpirationIfNeeded; @end