code: public UnsupportedAvailabilityZoneException withValidZones(String... validZones) {
          if (this.validZones == null) {
              setValidZones(new java.util.ArrayList<String>(validZones.length));
          }
          for (String ele : validZones) {
              this.validZones.add(ele);
          }
          return this;
      }
docs: <p>
  The supported Availability Zones for your account. Choose subnets in these Availability Zones for your cluster.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setValidZones(java.util.Collection)} or {@link #withValidZones(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param validZones
  The supported Availability Zones for your account. Choose subnets in these Availability Zones for your
  cluster.
  @return Returns a reference to this object so that method calls can be chained together.