public void setAvailabilityZones(java.util.Collection<String> availabilityZones) {
        if (availabilityZones == null) {
            this.availabilityZones = null;
            return;
        }

        this.availabilityZones = new com.amazonaws.internal.SdkInternalList<String>(availabilityZones);
    }
<p>
The Availability Zones where instances in the DB cluster can be created. For information on Amazon Web Services
Regions and Availability Zones, see <a
href="https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Concepts.RegionsAndAvailabilityZones.html"
>Regions and Availability Zones</a>.
</p>

@param availabilityZones
       The Availability Zones where instances in the DB cluster can be created. For information on Amazon Web
       Services Regions and Availability Zones, see <a href=
       "https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Concepts.RegionsAndAvailabilityZones.html"
       >Regions and Availability Zones</a>.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/DBClusterAutomatedBackup.java