public void setFirewallName(String firewallName) {
        this.firewallName = firewallName;
    }
<p>
The descriptive name of the firewall. You can't change the name of a firewall after you create it.
</p>
<p>
You must specify the ARN or the name, and you can specify both.
</p>

@param firewallName
       The descriptive name of the firewall. You can't change the name of a firewall after you create it.</p>
       <p>
       You must specify the ARN or the name, and you can specify both.
aws-java-sdk-networkfirewall/src/main/java/com/amazonaws/services/networkfirewall/model/DisassociateSubnetsRequest.java