code: def __str__(self):
      return self._name
  
imports: import json
  from dash.development.base_component import Component
  from ._validate import validate_callback
  from ._grouping import flatten_grouping, make_grouping_by_index
label_desc: Use image node_id 2 for calling the _Wildcard obj's underlying member method code with example usage: obj.__str__() and returns: self