def METHOD_NAME(firewall_rule_name: Optional[pulumi.Input[str]] = None,
                             resource_group_name: Optional[pulumi.Input[str]] = None,
                             server_name: Optional[pulumi.Input[str]] = None,
                             opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[GetFirewallRuleResult]:
    """
    Gets information about a server firewall rule.
    :param str firewall_rule_name: The name of the server firewall rule.
    :param str resource_group_name: The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
    :param str server_name: The name of the server.
    """
    ...