Returns by reference C arrays of the keys and values in the dictionary.
- iOS 5.0+
- macOS 10.7+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
Upon return, contains a C array of the values in the dictionary.
Upon return, contains a C array of the keys in the dictionary.
The maximum number of objects to return.
The elements in the returned array and the keys array have a one-for-one correspondence, so that the nth object in the returned array corresponds to the the key in keys.