public static async Task <IEnumerable <SummonerSpell> > GetSummonerSpellsStatic() =>
 _summonerSpells ?? (_summonerSpells = StaticDataDtoConverter.ConvertSummonerSpellDtoListToSummonerSpellList(await StaticDataController.GetSummonerSpellData()));
 public static async Task <IEnumerable <Champion> > GetChampionsStatic() =>
 _champions ?? (_champions = StaticDataDtoConverter.ConvertChampionDtoListToChampionList(await StaticDataController.GetChampionData()));
 public static async Task <IEnumerable <Rune> > GetRunesStatic() =>
 _runes ?? (_runes = StaticDataDtoConverter.ConvertRuneDtoListToRunList(await StaticDataController.GetRuneData()));
 public static async Task <IEnumerable <Item> > GetItemsStatic() =>
 _items ?? (_items = StaticDataDtoConverter.ConvertItemDtoListToItemList(await StaticDataController.GetItemData()));