docs: def create_auth_strategy(self):
          """depends on config"""
          if self.config.authPolicy == LOCAL_AUTH_POLICY:
              return LocalAuthStrategy(auth_map=self.auth_map,
                                       anyone_can_write_map=self.anyone_can_write_map if self.anyone_can_write else None)
          elif self.config.authPolicy == CONFIG_LEDGER_AUTH_POLICY:
              return ConfigLedgerAuthStrategy(auth_map=self.auth_map,
                                              state=self.config_state,
                                              serializer=self.state_serializer,
                                              anyone_can_write_map=self.anyone_can_write_map if self.anyone_can_write else None,
                                              metrics=self.metrics)