@class NSArray, NSString; @interface HFGroupedItemDiff : NSObject @property (copy, nonatomic) NSArray *fromGroups; @property (copy, nonatomic) NSArray *toGroups; @property (copy, nonatomic) id /* block */ changeTest; @property (copy, nonatomic) NSArray *groupOperations; @property (copy, nonatomic) NSArray *itemOperations; @property (readonly, copy, nonatomic) NSArray *allOperations; @property (readonly, copy, nonatomic) NSString *operationDescription; + (id)diffFromGroups:(id)a0 toGroups:(id)a1; + (id)diffFromGroups:(id)a0 toGroups:(id)a1 changeTest:(id /* block */)a2; - (id)description; - (void).cxx_destruct; - (id)debugDescription; - (id)_briefDescriptionForOperations:(id)a0 type:(id)a1; - (id)_operationDescriptionWithPrefix:(id)a0; - (void)_performDiff; - (id)_performItemDiffFromGroup:(id)a0 atIndex:(id)a1 toGroup:(id)a2 atIndex:(unsigned long long)a3; - (id)initWithFromGroups:(id)a0 toGroups:(id)a1 changeTest:(id /* block */)a2; @end