How to use the apiritif.get_from_thread_store function in apiritif

def _send_marker(stage, params):
    driver = get_from_thread_store("driver")
    driver.execute_script('/* FLOW_MARKER test-case-%s */' % stage, params)

def teardown():
    (_, driver, _, _) = apiritif.get_from_thread_store()
    driver.quit()

def setUp(self):
        (self.vars,) = apiritif.get_from_thread_store()

def setUp(self):
        (self.vars, self.driver, self.wnd_mng, self.frm_mng) = apiritif.get_from_thread_store()