code: def get_filtered_feed(self, feed_filter):
          
          assert isinstance(feed_filter, (UnreadFilter, FollowingFilter,
                                          FolderFilter))
          return self._rpc.filter_feed(**feed_filter.to_kwargs())
docs: Get your feed containing only posts filtered by ``feed_filter``
  
          :type feed_filter: FeedFilter
          :param feed_filter: Must be an instance of either: UnreadFilter,
              FollowingFilter, or FolderFilter
          :rtype: dict