code: def _convert_node_to_json(self, node):
      container = OmegaConf.to_container(node, resolve=True)
      return json.dumps(container, indent=4, sort_keys=True)
  
imports: import collections
  import json
  import logging
  import os
  import warnings
  from ast import literal_eval
  from typing import List
  import torch
  from mmf.common.registry import registry
  from mmf.utils.env import import_user_module
  from mmf.utils.file_io import PathManager
  from mmf.utils.general import get_absolute_path, get_mmf_root
  from omegaconf import DictConfig, errors, OmegaConf
label_desc: Use image node_id 17 for calling the Configuration obj's underlying member method code with example usage: obj._convert_node_to_json(node) and returns: json