class_docstr: NoOpTrial needs batch sizes.
code: def get_global_batch_size(self) -> int:
      return self._global_batch_size
  
imports: import collections
  import json
  import logging
  import os
  import pathlib
  import pickle
  import random
  import sys
  import time
  from typing import Any, Dict, Optional
  import numpy
  import determined
  from determined import layers, tensorboard, util, workload
  from determined.common import check
label_desc: Use image node_id 3 for calling the NoOpTrialContext obj's underlying member method code with example usage: obj.get_global_batch_size() and returns: self