def refresh(self, id_or_uri, timeout=-1):
        """
        The Refresh action reclaims the top-of-rack switches in a logical switch.

        Args:
            id_or_uri:
                Can be either the Logical Switch ID or URI
            timeout:
                Timeout in seconds. Wait for task completion by default. The timeout does not abort the operation
                in OneView, just stop waiting for its completion.

        Returns:
            dict: The Logical Switch
        """
        uri = self._client.build_uri(id_or_uri) + "/refresh"
        return self._client.update_with_zero_body(uri, timeout=timeout)