code: def _do_infer_fields(coll, path, embedded_doc_type):
      fields = _DEFAULT_LABEL_FIELDS.get(embedded_doc_type, [])
      return [_make_field_doc(*f) for f in fields]
  
label_desc: Use image node_id 4 for calling a global function with example usage: _do_infer_fields(coll, path, embedded_doc_type) and returns: unknown