public void setUnavailablePriorities(java.util.Collection<Integer> unavailablePriorities) {
        if (unavailablePriorities == null) {
            this.unavailablePriorities = null;
            return;
        }

        this.unavailablePriorities = new java.util.ArrayList<Integer>(unavailablePriorities);
    }
<p>
The priorities of rule groups that are already associated with the VPC. To retry your operation, choose priority
settings that aren't in this list for the rule groups in your new DNS Firewall policy.
</p>

@param unavailablePriorities
       The priorities of rule groups that are already associated with the VPC. To retry your operation, choose
       priority settings that aren't in this list for the rule groups in your new DNS Firewall policy.
aws-java-sdk-fms/src/main/java/com/amazonaws/services/fms/model/DnsRuleGroupPriorityConflictViolation.java