Returns the corresponding Options object.

        Args:
            group: The options group. Flattens across groups if None.
            backend: Current backend if None otherwise chosen backend.

        Returns:
            Options object associated with the object containing the
            applied option keywords.

def get(self, group=None, backend=None):
        """Returns the corresponding Options object.

        Args:
            group: The options group. Flattens across groups if None.
            backend: Current backend if None otherwise chosen backend.

        Returns:
            Options object associated with the object containing the
            applied option keywords.
        """
        from .options import Store, Options
        keywords = {}
        groups = Options._option_groups if group is None else [group]
        backend = backend if backend else Store.current_backend
        for group in groups:
            optsobj = Store.lookup_options(backend, self._obj, group)
            keywords = dict(keywords, **optsobj.kwargs)
        return Options(**keywords)