public async Task <List <GenericGroupedCollection <string, string> > > GetImportantDates(bool clean = false) { return(await Cache.Get("GetImportantDates", async() => { var page = (await HTMLUtils.GetPageUnAuthorised(@"http://ii.uni.wroc.pl/dla-studenta/kalendarz")).Replace("\n", string.Empty); return UtilsParsers.GetImportantDates(page); } , clean)); }