@class NSPredicate, NSObject; @protocol OS_dispatch_queue; @interface OSLogEventStreamBase : NSObject @property (nonatomic) unsigned long long flags; @property (copy, nonatomic) NSPredicate *filterPredicate; @property (retain, nonatomic) NSObject<OS_dispatch_queue> *target; @property (retain, nonatomic) NSObject<OS_dispatch_queue> *queue; @property (copy, nonatomic) id /* block */ streamHandler; @property (nonatomic) unsigned int invalidated; @property (copy, nonatomic) id /* block */ invalidationHandler; - (id)init; - (void)setEventHandler:(id /* block */)a0; - (void)invalidate; - (void).cxx_destruct; @end