code: public java.util.List<String> getZoneNames() {
          if (zoneNames == null) {
              zoneNames = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return zoneNames;
      }
docs: <p>
  The names of the Availability Zones.
  </p>
  
  @return The names of the Availability Zones.