docs: def client(self):
          """The automatically created :py:class:`bankid.client.BankIDClient` object.
  
          :return: The BankID client.
          :rtype: :py:class:`bankid.jsonclient.BankIDJSONClient`
  
          """
          ctx = stack.top
          attr_name = self._config_key("client")
          if ctx is not None:
              if not hasattr(ctx, attr_name):
                  setattr(
                      ctx,
                      attr_name,
                      BankIDClient(
                          (
                              current_app.config.get(self._config_key("CERT_PATH")),
                              current_app.config.get(self._config_key("KEY_PATH")),
                          ),
                          current_app.config.get(self._config_key("TEST_SERVER")),
                      ),
                  )
              return getattr(ctx, attr_name)