code: def __init__(self):
      super().__init__("dummy", name=None)
  
imports: import io
  import json
  import os
  from typing import Union
  from lets_plot._global_settings import get_global_bool, has_global_value, FRAGMENTS_ENABLED
label_desc: Use image node_id 1 to create a new DummySpec object from inherited base classes: FeatureSpec with example: obj = DummySpec()