public String getAvailabilityZone() {
        return this.availabilityZone;
    }
<p>
The Availability Zone of the firewall subnet that's causing the violation.
</p>

@return The Availability Zone of the firewall subnet that's causing the violation.
aws-java-sdk-fms/src/main/java/com/amazonaws/services/fms/model/ThirdPartyFirewallMissingExpectedRouteTableViolation.java