Set a new limit ``value`` for the specified limit, overriding
        the default. If ``override_ta`` is True, also use this value
        instead of any found by Trusted Advisor. This method simply
        passes the data through to the
        :py:meth:`~awslimitchecker.limit.AwsLimit.set_limit_override`
        method of the underlying :py:class:`~.AwsLimit` instance.

        :param limit_name: the name of the limit to override the value for
        :type limit_name: str
        :param value: the new value to set for the limit
        :type value: int
        :param override_ta: whether or not to also override Trusted
          Advisor information
        :type override_ta: bool
        :raises: ValueError if limit_name is not known to this service

def set_limit_override(self, limit_name, value, override_ta=True):
        """
        Set a new limit ``value`` for the specified limit, overriding
        the default. If ``override_ta`` is True, also use this value
        instead of any found by Trusted Advisor. This method simply
        passes the data through to the
        :py:meth:`~awslimitchecker.limit.AwsLimit.set_limit_override`
        method of the underlying :py:class:`~.AwsLimit` instance.

        :param limit_name: the name of the limit to override the value for
        :type limit_name: str
        :param value: the new value to set for the limit
        :type value: int
        :param override_ta: whether or not to also override Trusted
          Advisor information
        :type override_ta: bool
        :raises: ValueError if limit_name is not known to this service
        """
        try:
            self.limits[limit_name].set_limit_override(
                value,
                override_ta=override_ta
            )
            logger.debug(
                "Overriding %s limit %s; default=%d override=%d",
                self.service_name,
                limit_name,
                value,
                self.limits[limit_name].default_limit,
            )
        except KeyError:
            raise ValueError("{s} service has no '{l}' limit".format(
                s=self.service_name,
                l=limit_name))