#import <Foundation/Foundation.h>

typedef BOOL(^NSArrayDiffMatch)(id _Nonnull original, id _Nonnull comparedTo);

@interface NSArrayDiff : NSObject

+ (instancetype _Nonnull)newWithOriginal:(NSArray * _Nonnull)original
                           diffedAgainst:(NSArray * _Nonnull)compareTo
                                   match:(NSArrayDiffMatch _Nonnull)match;

@property (nonatomic, strong, readonly) NSIndexSet * _Nonnull removedIndexes;
@property (nonatomic, strong, readonly) NSArray * _Nonnull removedObjects;

@property (nonatomic, strong, readonly) NSIndexSet * _Nonnull addedIndexes;
@property (nonatomic, strong, readonly) NSArray * _Nonnull addedObjects;

@end