@class NSString; @interface IMContactStoreChangeHistoryEventsHandler : NSObject <CNChangeHistoryEventVisitor> @property (nonatomic) BOOL receivedDropEverythingEvent; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)visitUpdateContactEvent:(id)a0; - (void)visitAddContactEvent:(id)a0; - (void)visitDeleteContactEvent:(id)a0; - (void)visitDropEverythingEvent:(id)a0; - (void)postNotificationForCNContact:(id)a0 eventType:(unsigned long long)a1 handleIDsToProcess:(id)a2; - (void)processChangeEventForContact:(id)a0 contactFromCache:(id)a1 eventType:(unsigned long long)a2 handleID:(id)a3; - (void)processContactChangeEventForContact:(id)a0 ofEventType:(unsigned long long)a1; @end