+ (ImageCache *)sharedImageCache;

- (UIImage *)imageForKey:(NSString *)key;

- (BOOL)hasImageWithKey:(NSString *)key;

- (void)storeImage:(UIImage *)image withKey:(NSString *)key;

- (BOOL)imageExistsInMemory:(NSString *)key;

- (BOOL)imageExistsInDisk:(NSString *)key;

- (NSUInteger)countImagesInMemory;

- (NSUInteger)countImagesInDisk;

- (void)removeImageWithKey:(NSString *)key;

- (void)removeAllImages;

- (void)removeAllImagesInMemory;

- (void)removeOldImages;

pod 'ImageCache', '~>0.0.1'