A :class:`werkzeug.datastructures.CombinedMultiDict` that combines
        :attr:`args` and :attr:`form`.

def values(self):
        """A :class:`werkzeug.datastructures.CombinedMultiDict` that combines
        :attr:`args` and :attr:`form`."""
        args = []
        for d in self.args, self.form:
            if not isinstance(d, MultiDict):
                d = MultiDict(d)
            args.append(d)
        return CombinedMultiDict(args)