Return a listing of the Submissions the user has upvoted.

        :returns: get_content generator of Submission items.

        The additional parameters are passed directly into
        :meth:`.get_content`. Note: the `url` parameter cannot be altered.

        As a default, this listing is only accessible by the user. Thereby
        requirering either user/pswd authentication or OAuth authentication
        with the 'history' scope. Users may choose to make their voting record
        public by changing a user preference. In this case, no authentication
        will be needed to access this listing.

def get_upvoted(self, *args, **kwargs):
        """Return a listing of the Submissions the user has upvoted.

        :returns: get_content generator of Submission items.

        The additional parameters are passed directly into
        :meth:`.get_content`. Note: the `url` parameter cannot be altered.

        As a default, this listing is only accessible by the user. Thereby
        requirering either user/pswd authentication or OAuth authentication
        with the 'history' scope. Users may choose to make their voting record
        public by changing a user preference. In this case, no authentication
        will be needed to access this listing.

        """
        kwargs['_use_oauth'] = self.reddit_session.is_oauth_session()
        return _get_redditor_listing('upvoted')(self, *args, **kwargs)