code: def augment(self, line, text, meta):
      meta["augmented"] = True
      return self.data_augmenter.augment_single(line, text)
  
imports: import copy
  from dataclasses import dataclass, field
  from functools import partial
  from typing import List, Iterable, Type
  import numpy
  from paiargparse import pai_dataclass, pai_meta
  from tfaip.data.pipeline.definitions import Sample
  from tfaip.data.pipeline.processor.dataprocessor import MappingDataProcessor, DataProcessorParams
  from tfaip.util.multiprocessing.parallelmap import parallel_map
  from calamari_ocr.ocr.augmentation.data_augmenter import DataAugmenterParams, DefaultDataAugmenterParams
  from calamari_ocr.ocr.augmentation.dataaugmentationparams import DataAugmentationAmount
label_desc: Use image node_id 4 for calling the AugmentationProcessor obj's underlying member method code with example usage: obj.augment(line, text, meta) and returns: self