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 logging
  import json
  from typing import Dict
  from omegaconf import OmegaConf
  from lavis.common.registry import registry
label_desc: Use image node_id 13 for calling the Config obj's underlying member method code with example usage: obj._convert_node_to_json(node) and returns: json