code: public final SIBUuid12 getGuaranteedGatheringTargetUUID() {
          byte[] b = (byte[]) getHdr2().getField(JsHdr2Access.GUARANTEED_SET_GATHERINGTARGETUUID_VALUE);
          if (b != null)
              return new SIBUuid12(b);
          return null;
      }
docs: Get the unique GatheringTargetUUID.
  
  @return The unique GatheringTarget Id.
  If Guaranteed Delivery information is not included in the
  message, this field will not be set.