getElementsByCss method
Returns the elements within this element that match the given CSS selector.
Implementation
@override
List<WebDriverPageLoaderElement> getElementsByCss(String selector) =>
_retryWhenStale(() => _single
.findElements(sync_wd.By.cssSelector(selector))
.map((elem) => WebDriverPageLoaderElement.createFromElement(elem))
.map((elem) => elem..addListeners(listeners))
.toList());