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

        this.availabilityZones = new java.util.ArrayList<AvailabilityZone>(availabilityZones);
    }
<p>
The Availability Zones. Follows the format <code>us-east-2a</code> (case-sensitive).
</p>

@param availabilityZones
       The Availability Zones. Follows the format <code>us-east-2a</code> (case-sensitive).
aws-java-sdk-lightsail/src/main/java/com/amazonaws/services/lightsail/model/Region.java