@class IPInstallableStateSource; @protocol IPProgressObserver; @interface IPInstallableProgressSource : NSObject { BOOL _resumed; } @property (readonly) IPInstallableStateSource *installableStateSource; @property (weak) id observer; - (void)dealloc; - (id)description; - (void)resume; - (void).cxx_destruct; - (void)notifyOfUpdate:(id)a0; - (id)collationKey; - (id)currentProgressWithError:(id *)a0; - (void)finishWithReason:(unsigned long long)a0; - (id)initWithStateSource:(id)a0; @end