code: public BatchCSVRecord transform(BatchCSVRecord batch) {
          BatchCSVRecord batchCSVRecord = new BatchCSVRecord();
          List<List<Writable>> converted =  execute(toArrowWritables(toArrowColumnsString(
                  bufferAllocator,transformProcess.getInitialSchema(),
                  batch.getRecordsAsString()),
                  transformProcess.getInitialSchema()),transformProcess);
          int numCols = converted.get(0).size();
          for (int row = 0; row < converted.size(); row++) {
              String[] values = new String[numCols];
              for (int i = 0; i < values.length; i++)
                  values[i] = converted.get(row).get(i).toString();
              batchCSVRecord.add(new SingleCSVRecord(values));
          }
  
          return batchCSVRecord;
  
      }
docs: Runs the transform process
  @param batch the record to transform
  @return the transformed record