namespace View_by_Distance.Shared.Models.Stateless.Methods; public interface IItem { // ... string TestStatic_GetWrongYearFlag(bool? isWrongYear) => GetWrongYearFlag(isWrongYear); static string GetWrongYearFlag(bool? isWrongYear) => isWrongYear is null ? "#" : isWrongYear.Value ? "~" : "="; List<Models.Item> TestStatic_GetMerged(List<Models.Item> itemsA, List<Models.Item> itemsB) => GetMerged(itemsA, itemsB); static List<Models.Item> GetMerged(List<Models.Item> itemsA, List<Models.Item> itemsB) => Item.GetMerged(itemsA, itemsB); }