docs: def with_retry(cls, methods):
      """
      Wraps the given list of methods in a class with an exponential-back
      retry mechanism.
      """
      retry_with_backoff = retry(
          retry_on_exception=lambda e: isinstance(e, BotoServerError),
          wait_exponential_multiplier=1000,
          wait_exponential_max=10000
      )
      for method in methods:
          m = getattr(cls, method, None)
          if isinstance(m, collections.Callable):
              setattr(cls, method, retry_with_backoff(m))
      return cls