@class NSString, NSObject; @protocol OS_dispatch_source; @interface BSDispatchSource : NSObject <BSInvalidatable> { struct dispatch_source_type_s { } *_type; NSObject<OS_dispatch_source> *_source; int _activated; int _invalidated; id /* block */ _eventHandler; id /* block */ _cancelHandler; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)dealloc; - (void)invalidate; - (void).cxx_destruct; @end