'Retrieves the set of firewall rules for an Azure SQL Database Server.
server_name:
Name of the server.'

def list_firewall_rules(self, server_name):

    _validate_not_none('server_name', server_name)
    response = self._perform_get(self._get_firewall_rules_path(server_name), None)
    return _MinidomXmlToObject.parse_service_resources_response(response, FirewallRule)
