@utils.synchronized('iptables', external=True)
    def _do_refresh_provider_fw_rules(self):
        self._purge_provider_fw_rules()
        self._build_provider_fw_rules()
Initialize the output writer.
dataset/ETHPy150Open nii-cloud/dodai-compute/nova/virt/libvirt/firewall.py/IptablesFirewallDriver._do_refresh_provider_fw_rules--crossover with--dataset/ETHPy150Open libyal/libyal/scripts/overview-generate.py/StdoutWriter.__init__