code: def get_checkpoint_state(self) -> TrainerCheckpoint:
      return TrainerCheckpoint(self._model_state, self._training_state)
  
file_path: allennlp/tests/training/checkpointer_test.py
imports: import os
  import time
  from typing import Optional
  from allennlp.common.testing import AllenNlpTestCase
  from allennlp.common.params import Params
  from allennlp.training import Checkpointer, Trainer
  from allennlp.training.trainer import TrainerCheckpoint
label_desc: Use image node_id 2 for calling the FakeTrainer obj's underlying member method code with example usage: obj.get_checkpoint_state() and returns: TrainerCheckpoint