code: def component_callbacks(self, app):
      @app.callback(
          [
              Output(index_name, "value")
              for index_name in self.output_index_names
          ],
          [Input(self.input_index_name, "value")],
      )
      def update_indexes(index):
          if (
              dash.callback_context.triggered_id
              != self.input_index_name
          ):
              raise PreventUpdate
          if self.explainer is not None:
              if index is not None and self.explainer.index_exists(
                  index
              ):
                  return tuple([index for _ in self.output_index_names])
          elif index is not None:
              return tuple([index for _ in self.output_index_names])
          raise PreventUpdate
  
imports: import numpy
  import dash
  from dash import html, dcc, Input, Output, State
  from dash.exceptions import PreventUpdate
  import dash_bootstrap_components
  from ..dashboard_methods import *
label_desc: Use image node_id 3 for calling the IndexConnector obj's underlying member method code with example usage: obj.component_callbacks(app) and returns: tuple, tuple