@class NSMutableDictionary, NSObject; @protocol OS_dispatch_source, OS_dispatch_queue; @interface CAMKeyValueCoalescer : NSObject @property (readonly, nonatomic) double _interval; @property (readonly, copy, nonatomic) id /* block */ _handler; @property (retain, nonatomic) NSObject<OS_dispatch_source> *coalescingTimer; @property (readonly, nonatomic) NSMutableDictionary *_values; @property (readonly, nonatomic) NSMutableDictionary *_previousValues; @property (readonly, nonatomic) NSObject<OS_dispatch_queue> *_coalescingQueue; - (void)flush; - (id)initWithInterval:(double)a0 handler:(id /* block */)a1; - (void)_pushCoalescedValues; - (void)coalesceValue:(id)a0 forKeyPath:(id)a1; - (void).cxx_destruct; @end