code: def validate_orjson(cls):
      orjson = get_module("orjson")
      if orjson is None:
          raise ValueError(
              "The orjson engine requires the orjson package"
          )
  
imports: import json
  import decimal
  import datetime
  import warnings
  from pathlib import Path
  from plotly.io._utils import validate_coerce_fig_to_dict, validate_coerce_output_type
  from _plotly_utils.optional_imports import get_module
  from _plotly_utils.basevalidators import ImageUriValidator
label_desc: Use image node_id 4 for calling the JsonConfig obj's underlying member method code with example usage: obj.validate_orjson(cls) without return types