docs: public EventFilter 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;
      }