docs: private static void setIncomeBudgetPeriods(PHS398CoverPageSupplement20 coverPageSupplement,
              List<? extends BudgetProjectIncomeContract> projectIncomes) {
          if (projectIncomes.isEmpty()) {
              coverPageSupplement.setProgramIncome(YesNoDataType.N_NO);
          } else {
              coverPageSupplement.setProgramIncome(YesNoDataType.Y_YES);
          }
          coverPageSupplement.setIncomeBudgetPeriodArray(getIncomeBudgetPeriod(projectIncomes));
      }