How to use the seleniumbase.fixtures.page_utils.is_link_text_selector function in seleniumbase

def get_property_value(self, selector, property, by=By.CSS_SELECTOR,
                           timeout=settings.SMALL_TIMEOUT):
        """ Returns the property value of a page element's computed style.
            Example:
                opacity = self.get_property_value("html body a", "opacity")
                self.assertTrue(float(opacity) > 0, "Element not visible!") """
        if self.timeout_multiplier and timeout == settings.SMALL_TIMEOUT:
            timeout = self.__get_new_timeout(timeout)
        if page_utils.is_xpath_selector(selector):
            by = By.XPATH
        if page_utils.is_link_text_selector(selector):
            selector = page_utils.get_link_text_from_selector(selector)
            by = By.LINK_TEXT
        self.wait_for_ready_state_complete()
        page_actions.wait_for_element_present(
            self.driver, selector, by, timeout)
        try:
            selector = self.convert_to_css_selector(selector, by=by)
        except Exception:
            # Don't run action if can't convert to CSS_Selector for JavaScript
            raise Exception(
                "Exception: Could not convert {%s}(by=%s) to CSS_SELECTOR!" % (
                    selector, by))
        selector = re.escape(selector)
        selector = self.__escape_quotes_if_needed(selector)
        script = ("""var $elm = document.querySelector('%s');
                  $val = window.getComputedStyle($elm).getPropertyValue('%s');

def assert_element(self, selector, by=By.CSS_SELECTOR,
                       timeout=settings.SMALL_TIMEOUT):
        """ Similar to wait_for_element_visible(), but returns nothing.
            As above, will raise an exception if nothing can be found.
            Returns True if successful. Default timeout = SMALL_TIMEOUT. """
        if self.timeout_multiplier and timeout == settings.SMALL_TIMEOUT:
            timeout = self.__get_new_timeout(timeout)
        self.wait_for_element_visible(selector, by=by, timeout=timeout)

        if self.demo_mode:
            if page_utils.is_xpath_selector(selector):
                by = By.XPATH
            if page_utils.is_link_text_selector(selector):
                selector = page_utils.get_link_text_from_selector(selector)
                by = By.LINK_TEXT
            messenger_post = "ASSERT %s: %s" % (by, selector)
            self.__highlight_with_assert_success(messenger_post, selector, by)
        return True

def click(self, selector, by=By.CSS_SELECTOR,
              timeout=settings.SMALL_TIMEOUT):
        if self.timeout_multiplier and timeout == settings.SMALL_TIMEOUT:
            timeout = self.__get_new_timeout(timeout)
        if page_utils.is_xpath_selector(selector):
            by = By.XPATH
        if page_utils.is_link_text_selector(selector):
            selector = page_utils.get_link_text_from_selector(selector)
            by = By.LINK_TEXT
            if not self.is_link_text_visible(selector):
                # Handle a special case of links hidden in dropdowns
                self.click_link_text(selector, timeout=timeout)
                return
        element = page_actions.wait_for_element_visible(
            self.driver, selector, by, timeout=timeout)
        self.__demo_mode_highlight_if_active(selector, by)
        if not self.demo_mode:
            self.__scroll_to_element(element)
        pre_action_url = self.driver.current_url
        try:
            if self.browser == 'ie' and by == By.LINK_TEXT:
                # An issue with clicking Link Text on IE means using jquery
                self.__jquery_click(selector, by=by)

def __recalculate_selector(self, selector, by):
        # Try to determine the type of selector automatically
        if page_utils.is_xpath_selector(selector):
            by = By.XPATH
        if page_utils.is_link_text_selector(selector):
            selector = page_utils.get_link_text_from_selector(selector)
            by = By.LINK_TEXT
        return (selector, by)

def is_element_present(self, selector, by=By.CSS_SELECTOR):
        if page_utils.is_xpath_selector(selector):
            by = By.XPATH
        if page_utils.is_link_text_selector(selector):
            selector = page_utils.get_link_text_from_selector(selector)
            by = By.LINK_TEXT
        return page_actions.is_element_present(self.driver, selector, by)

def is_element_visible(self, selector, by=By.CSS_SELECTOR):
        if page_utils.is_xpath_selector(selector):
            by = By.XPATH
        if page_utils.is_link_text_selector(selector):
            selector = page_utils.get_link_text_from_selector(selector)
            by = By.LINK_TEXT
        return page_actions.is_element_visible(self.driver, selector, by)

def assert_text(self, text, selector, by=By.CSS_SELECTOR,
                    timeout=settings.SMALL_TIMEOUT):
        """ Similar to wait_for_text_visible()
            Raises an exception if the element or the text is not found.
            Returns True if successful. Default timeout = SMALL_TIMEOUT. """
        if self.timeout_multiplier and timeout == settings.SMALL_TIMEOUT:
            timeout = self.__get_new_timeout(timeout)
        self.wait_for_text_visible(text, selector, by=by, timeout=timeout)

        if self.demo_mode:
            if page_utils.is_xpath_selector(selector):
                by = By.XPATH
            if page_utils.is_link_text_selector(selector):
                selector = page_utils.get_link_text_from_selector(selector)
                by = By.LINK_TEXT
            messenger_post = ("ASSERT TEXT {%s} in %s: %s"
                              % (text, by, selector))
            self.__highlight_with_assert_success(messenger_post, selector, by)
        return True

def wait_for_element_present(self, selector, by=By.CSS_SELECTOR,
                                 timeout=settings.LARGE_TIMEOUT):
        """ Waits for an element to appear in the HTML of a page.
            The element does not need be visible (it may be hidden). """
        if self.timeout_multiplier and timeout == settings.LARGE_TIMEOUT:
            timeout = self.__get_new_timeout(timeout)
        if page_utils.is_xpath_selector(selector):
            by = By.XPATH
        if page_utils.is_link_text_selector(selector):
            selector = page_utils.get_link_text_from_selector(selector)
            by = By.LINK_TEXT
        return page_actions.wait_for_element_present(
            self.driver, selector, by, timeout)