@class NSProgress, NSObject; @protocol OS_dispatch_source; @interface FSTaskProgressUpdater : NSObject @property (retain) NSProgress *childProgress; @property (retain) NSObject<OS_dispatch_source> *timerSource; @property (retain) NSProgress *parentProgress; + (id)newWithProgress:(id)a0; - (void)dealloc; - (void).cxx_destruct; - (id)initWithProgress:(id)a0; - (void)endPhase:(id)a0; - (id)startPhase:(id)a0 parentUnitCount:(long long)a1 phaseTotalCount:(long long)a2 completedCounter:(const unsigned int *)a3; @end