     }
 }
 
-// MARK: Clean
+// MARK: - Clean
 
 extension DataCache {
     

    }
}

// MARK: Utils

extension DataCache {
    

        return readObject(forKey: key) as? Dictionary<AnyHashable, Any>
    }
    
    // MARK: - Read & write image
    
    /// Write image for key. Please use this method to write an image instead of `writeObject(_:forKey:)`
    public func write(image: UIImage, forKey key: String, format: ImageFormat? = nil) {
