namespace View_by_Distance.Shared.Models.Stateless.Methods; public interface IPersonContainer { // ... List TestStatic_GetPersonContainers(Properties.IStorage storage, string personBirthdayFormat) => GetPersonContainers(storage, personBirthdayFormat); static List GetPersonContainers(Properties.IStorage storage, string personBirthdayFormat) => PersonContainer.GetPersonContainers(storage, personBirthdayFormat); }