code: def is_serializable(d):
      json.dumps(d)
      dumps_yaml(d)
      return True
  
file_path: dvc/tests/unit/utils/test_collections.py
imports: import json
  import pytest
  from dvc.utils.collections import apply_diff, merge_dicts, remove_missing_keys, to_omegaconf
  from dvc.utils.serialize import dumps_yaml
label_desc: Use image node_id 4 for calling a global function with example usage: is_serializable(d) and returns: True