public IncreaseReplicationFactorRequest withAvailabilityZones(String... availabilityZones) {
        if (this.availabilityZones == null) {
            setAvailabilityZones(new java.util.ArrayList<String>(availabilityZones.length));
        }
        for (String ele : availabilityZones) {
            this.availabilityZones.add(ele);
        }
        return this;
    }
<p>
The Availability Zones (AZs) in which the cluster nodes will be created. All nodes belonging to the cluster are
placed in these Availability Zones. Use this parameter if you want to distribute the nodes across multiple AZs.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setAvailabilityZones(java.util.Collection)} or {@link #withAvailabilityZones(java.util.Collection)} if
you want to override the existing values.
</p>

@param availabilityZones
       The Availability Zones (AZs) in which the cluster nodes will be created. All nodes belonging to the
       cluster are placed in these Availability Zones. Use this parameter if you want to distribute the nodes
       across multiple AZs.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-dax/src/main/java/com/amazonaws/services/dax/model/IncreaseReplicationFactorRequest.java