code: def save(self):
      with open(self.recorder_filename, "w") as f:
          json.dump(self.recorder, f, indent=2)
  
file_path: DIG/benchmarks/xgraph/utils.py
imports: import json
  import os
  import torch
  import random
  import numpy
  from abc import ABC
  from torch_geometric.data import Data
label_desc: Use image node_id 4 for calling the Recorder obj's underlying member method code with example usage: obj.save() without return types