@protocol SBFScheduler, SBFObservable; @interface _SBFScheduledObservable : SBFObservable { id<SBFObservable> _observable; id<SBFScheduler> _scheduler; } - (id)initWithObservable:(id)a0 scheduler:(id)a1; - (id)subscribe:(id)a0; - (void).cxx_destruct; @end