@class NSArray, NSString, NSData, NSMutableArray, CNFetchResult; @interface _CDContactChangeHistoryEventVisitor : NSObject <CNChangeHistoryEventVisitor> { CNFetchResult *_changeEnumerator; NSMutableArray *_deletedContactIdentifiers; NSMutableArray *_addedContactIdentifiers; } @property (readonly, nonatomic) NSArray *deletedContactIdentifiers; @property (readonly, nonatomic) NSArray *addedContactIdentifiers; @property (readonly, nonatomic) NSData *currentHistoryToken; @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).cxx_destruct; - (void)visitDeleteContactEvent:(id)a0; - (void)visitDropEverythingEvent:(id)a0; - (id)initWithChangeEnumerator:(id)a0; - (void)visitChanges; @end