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Use mutableCopy for many of the fields in copyForRetry. - #365
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These fields are declared as NSMutableArray / NSMutableDictionary, so it's violating the type safety to use plain copy. This is important if you try to cancel an operation that came from cancelForRetry. [MKNetworkOperation cancel] will clear all the lists of all the callbacks, which will crash if the lists are not mutable.
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These fields are declared as NSMutableArray / NSMutableDictionary,
so it's violating the type safety to use plain copy.
This is important if you try to cancel an operation that came from
cancelForRetry. [MKNetworkOperation cancel] will clear all the
lists of all the callbacks, which will crash if the lists are not
mutable.