docs: def delete_extra_files(self, relpaths, cloud_objs):
          """
          Deletes any objects from the container that do not exist locally.
          """
          for cloud_obj in cloud_objs:
              if cloud_obj not in relpaths:
                  if not self.test_run:
                      self.delete_cloud_obj(cloud_obj)
                  self.delete_count += 1
                  if not self.quiet or self.verbosity > 1:
                      print("Deleted: {0}".format(cloud_obj))