code: def cls() -> Type["MappingDataProcessor"]:
      return PrepareSample
  
file_path: calamari/calamari_ocr/ocr/dataset/imageprocessors/preparesample.py
imports: import logging
  from dataclasses import dataclass, field
  from typing import Type
  import numpy
  from paiargparse import pai_dataclass, pai_meta
  from tfaip.data.pipeline.definitions import PipelineMode, Sample
  from tfaip.data.pipeline.processor.dataprocessor import DataProcessorParams, MappingDataProcessor
label_desc: Use image node_id 1 for calling the PrepareSampleProcessorParams obj's underlying member method code with example usage: obj.cls() and returns: PrepareSample