Not documented.
Source
@DomName('Navigator.getStorageUpdates')
@DocsEditable()
// http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#navigatorstorageutils
@Experimental()
void getStorageUpdates() => _blink.BlinkNavigator.instance.getStorageUpdates_Callback_0_(unwrap_jso(this));