public DescribeFirewallResult withFirewall(Firewall firewall) {
        setFirewall(firewall);
        return this;
    }
<p>
The configuration settings for the firewall. These settings include the firewall policy and the subnets in your
VPC to use for the firewall endpoints.
</p>

@param firewall
       The configuration settings for the firewall. These settings include the firewall policy and the subnets in
       your VPC to use for the firewall endpoints.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-networkfirewall/src/main/java/com/amazonaws/services/networkfirewall/model/DescribeFirewallResult.java