code: def __repr__(self):
      return f"<{self.__class__.__name__} `{self}`>"
  
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 3 for calling the DashDependency obj's underlying member method code with example usage: obj.__repr__() and returns: str, self, str, self, str