private void maybeForceBuilderInitialization() {
        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
          getUnitsFieldBuilder();
          getStancesFieldBuilder();
          getStartLocationFieldBuilder();
          getAllUnitCountFieldBuilder();
          getCompletedUnitCountFieldBuilder();
          getIncompleteUnitCountFieldBuilder();
          getDeadUnitCountFieldBuilder();
          getKilledUnitCountFieldBuilder();
          getUpgradeLevelsFieldBuilder();
          getResearchedTechsFieldBuilder();
          getResearchingFieldBuilder();
          getUpgradingFieldBuilder();
        }
      }